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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:38,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:38,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:38,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:38,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:38,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:38,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:38,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:38,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:38,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:38,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:38,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:38,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:38,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:38,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:38,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:38,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:38,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:38,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:38,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:38,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:38,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:38,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:38,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:38,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:38,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:38,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:38,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:38,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:38,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:38,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:38,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:38,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:38,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:38,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:38,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:38,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:38,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:38,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:38,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:38,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:38,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:39,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:39,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:39,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:39,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:39,005 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:39,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:39,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:39,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:39,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:39,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:39,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:39,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:39,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:39,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:39,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:39,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:39,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:39,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:39,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:39,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:39,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:39,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:39,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:39,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:39,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:39,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:39,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:39,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:39,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:39,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:39,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:39,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:39,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:39,314 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:39,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2019-10-13 21:22:39,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677157f6a/9ab03a3602964ac586f2e57f14ac7b29/FLAG5dd29f3f0 [2019-10-13 21:22:40,022 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:40,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2019-10-13 21:22:40,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677157f6a/9ab03a3602964ac586f2e57f14ac7b29/FLAG5dd29f3f0 [2019-10-13 21:22:40,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677157f6a/9ab03a3602964ac586f2e57f14ac7b29 [2019-10-13 21:22:40,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:40,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:40,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:40,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:40,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:40,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:40" (1/1) ... [2019-10-13 21:22:40,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b70ff60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:40, skipping insertion in model container [2019-10-13 21:22:40,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:40" (1/1) ... [2019-10-13 21:22:40,368 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:40,422 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:40,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:40,889 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:40,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:41,000 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:41,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41 WrapperNode [2019-10-13 21:22:41,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:41,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:41,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:41,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:41,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:41,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:41,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:41,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:41,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:42,339 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:42,340 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:42,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:42 BoogieIcfgContainer [2019-10-13 21:22:42,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:42,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:42,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:42,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:42,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:40" (1/3) ... [2019-10-13 21:22:42,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20227605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:42, skipping insertion in model container [2019-10-13 21:22:42,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (2/3) ... [2019-10-13 21:22:42,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20227605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:42, skipping insertion in model container [2019-10-13 21:22:42,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:42" (3/3) ... [2019-10-13 21:22:42,350 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2019-10-13 21:22:42,360 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:42,369 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:42,381 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:42,407 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:42,407 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:42,407 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:42,408 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:42,408 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:42,408 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:42,408 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:42,408 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-13 21:22:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:42,443 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,445 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] [2019-10-13 21:22:42,447 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1231866733, now seen corresponding path program 1 times [2019-10-13 21:22:42,464 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,465 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91934758] [2019-10-13 21:22:42,465 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,466 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91934758] [2019-10-13 21:22:42,867 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:42,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561862558] [2019-10-13 21:22:42,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:42,875 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:42,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:42,893 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-13 21:22:42,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,957 INFO L93 Difference]: Finished difference Result 288 states and 355 transitions. [2019-10-13 21:22:42,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:42,959 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:42,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,973 INFO L225 Difference]: With dead ends: 288 [2019-10-13 21:22:42,974 INFO L226 Difference]: Without dead ends: 146 [2019-10-13 21:22:42,979 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:42,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-13 21:22:43,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-13 21:22:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 21:22:43,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2019-10-13 21:22:43,038 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 59 [2019-10-13 21:22:43,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:43,039 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2019-10-13 21:22:43,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2019-10-13 21:22:43,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:43,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,043 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] [2019-10-13 21:22:43,044 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,044 INFO L82 PathProgramCache]: Analyzing trace with hash 735941424, now seen corresponding path program 1 times [2019-10-13 21:22:43,044 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:43,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501170496] [2019-10-13 21:22:43,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:43,190 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501170496] [2019-10-13 21:22:43,190 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:43,190 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:43,190 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057820717] [2019-10-13 21:22:43,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:43,195 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:43,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:43,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:43,196 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2019-10-13 21:22:43,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:43,238 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2019-10-13 21:22:43,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:43,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:43,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:43,243 INFO L225 Difference]: With dead ends: 227 [2019-10-13 21:22:43,244 INFO L226 Difference]: Without dead ends: 137 [2019-10-13 21:22:43,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-13 21:22:43,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-13 21:22:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-13 21:22:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-10-13 21:22:43,269 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 60 [2019-10-13 21:22:43,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:43,269 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-10-13 21:22:43,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-10-13 21:22:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:43,275 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,275 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:43,276 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1019781836, now seen corresponding path program 1 times [2019-10-13 21:22:43,276 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:43,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791749956] [2019-10-13 21:22:43,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:43,500 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791749956] [2019-10-13 21:22:43,500 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:43,501 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:43,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614154841] [2019-10-13 21:22:43,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:43,505 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:43,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:43,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:43,506 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2019-10-13 21:22:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,054 INFO L93 Difference]: Finished difference Result 411 states and 497 transitions. [2019-10-13 21:22:44,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:44,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:22:44,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,059 INFO L225 Difference]: With dead ends: 411 [2019-10-13 21:22:44,059 INFO L226 Difference]: Without dead ends: 302 [2019-10-13 21:22:44,061 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:44,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2019-10-13 21:22:44,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 290. [2019-10-13 21:22:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2019-10-13 21:22:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 350 transitions. [2019-10-13 21:22:44,099 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 350 transitions. Word has length 65 [2019-10-13 21:22:44,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,099 INFO L462 AbstractCegarLoop]: Abstraction has 290 states and 350 transitions. [2019-10-13 21:22:44,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 350 transitions. [2019-10-13 21:22:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:44,103 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,103 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] [2019-10-13 21:22:44,104 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1071873071, now seen corresponding path program 1 times [2019-10-13 21:22:44,104 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834388105] [2019-10-13 21:22:44,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:44,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834388105] [2019-10-13 21:22:44,284 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,285 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:44,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47674598] [2019-10-13 21:22:44,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:44,286 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:44,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:44,286 INFO L87 Difference]: Start difference. First operand 290 states and 350 transitions. Second operand 7 states. [2019-10-13 21:22:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,154 INFO L93 Difference]: Finished difference Result 736 states and 956 transitions. [2019-10-13 21:22:45,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:45,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:22:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,162 INFO L225 Difference]: With dead ends: 736 [2019-10-13 21:22:45,162 INFO L226 Difference]: Without dead ends: 474 [2019-10-13 21:22:45,171 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 [2019-10-13 21:22:45,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-10-13 21:22:45,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 420. [2019-10-13 21:22:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2019-10-13 21:22:45,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 505 transitions. [2019-10-13 21:22:45,253 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 505 transitions. Word has length 70 [2019-10-13 21:22:45,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:45,254 INFO L462 AbstractCegarLoop]: Abstraction has 420 states and 505 transitions. [2019-10-13 21:22:45,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 505 transitions. [2019-10-13 21:22:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:22:45,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:45,259 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:45,259 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:45,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:45,260 INFO L82 PathProgramCache]: Analyzing trace with hash -573764694, now seen corresponding path program 1 times [2019-10-13 21:22:45,260 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:45,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255634869] [2019-10-13 21:22:45,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:45,377 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255634869] [2019-10-13 21:22:45,377 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:45,377 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:45,377 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138042961] [2019-10-13 21:22:45,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:45,378 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:45,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:45,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:45,379 INFO L87 Difference]: Start difference. First operand 420 states and 505 transitions. Second operand 4 states. [2019-10-13 21:22:45,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,674 INFO L93 Difference]: Finished difference Result 1514 states and 1938 transitions. [2019-10-13 21:22:45,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:45,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-10-13 21:22:45,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,682 INFO L225 Difference]: With dead ends: 1514 [2019-10-13 21:22:45,682 INFO L226 Difference]: Without dead ends: 1122 [2019-10-13 21:22:45,685 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:45,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2019-10-13 21:22:45,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1096. [2019-10-13 21:22:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2019-10-13 21:22:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1371 transitions. [2019-10-13 21:22:45,767 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1371 transitions. Word has length 93 [2019-10-13 21:22:45,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:45,767 INFO L462 AbstractCegarLoop]: Abstraction has 1096 states and 1371 transitions. [2019-10-13 21:22:45,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1371 transitions. [2019-10-13 21:22:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:22:45,772 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:45,772 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:45,772 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:45,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:45,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1995721705, now seen corresponding path program 1 times [2019-10-13 21:22:45,773 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:45,774 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654526974] [2019-10-13 21:22:45,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:45,874 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654526974] [2019-10-13 21:22:45,875 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:45,875 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:45,876 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547043702] [2019-10-13 21:22:45,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:45,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:45,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:45,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:45,878 INFO L87 Difference]: Start difference. First operand 1096 states and 1371 transitions. Second operand 6 states. [2019-10-13 21:22:45,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,982 INFO L93 Difference]: Finished difference Result 2194 states and 2804 transitions. [2019-10-13 21:22:45,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:45,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-13 21:22:45,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,991 INFO L225 Difference]: With dead ends: 2194 [2019-10-13 21:22:45,991 INFO L226 Difference]: Without dead ends: 1126 [2019-10-13 21:22:45,996 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 [2019-10-13 21:22:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2019-10-13 21:22:46,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1126. [2019-10-13 21:22:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2019-10-13 21:22:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1403 transitions. [2019-10-13 21:22:46,071 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1403 transitions. Word has length 93 [2019-10-13 21:22:46,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,072 INFO L462 AbstractCegarLoop]: Abstraction has 1126 states and 1403 transitions. [2019-10-13 21:22:46,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1403 transitions. [2019-10-13 21:22:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:22:46,075 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,075 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:46,076 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1597645717, now seen corresponding path program 1 times [2019-10-13 21:22:46,076 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,077 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185540316] [2019-10-13 21:22:46,077 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,077 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:46,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185540316] [2019-10-13 21:22:46,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:46,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:46,168 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061468664] [2019-10-13 21:22:46,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:46,169 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:46,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:46,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:46,170 INFO L87 Difference]: Start difference. First operand 1126 states and 1403 transitions. Second operand 8 states. [2019-10-13 21:22:46,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:46,248 INFO L93 Difference]: Finished difference Result 2081 states and 2663 transitions. [2019-10-13 21:22:46,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:46,249 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2019-10-13 21:22:46,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:46,255 INFO L225 Difference]: With dead ends: 2081 [2019-10-13 21:22:46,256 INFO L226 Difference]: Without dead ends: 983 [2019-10-13 21:22:46,260 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 [2019-10-13 21:22:46,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2019-10-13 21:22:46,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 983. [2019-10-13 21:22:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983 states. [2019-10-13 21:22:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1202 transitions. [2019-10-13 21:22:46,321 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1202 transitions. Word has length 93 [2019-10-13 21:22:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,322 INFO L462 AbstractCegarLoop]: Abstraction has 983 states and 1202 transitions. [2019-10-13 21:22:46,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1202 transitions. [2019-10-13 21:22:46,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:46,325 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,325 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:46,325 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1394866514, now seen corresponding path program 1 times [2019-10-13 21:22:46,326 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,326 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891517943] [2019-10-13 21:22:46,326 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,326 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:46,487 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891517943] [2019-10-13 21:22:46,488 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:46,488 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:46,488 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083398524] [2019-10-13 21:22:46,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:46,489 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:46,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:46,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:46,490 INFO L87 Difference]: Start difference. First operand 983 states and 1202 transitions. Second operand 9 states. [2019-10-13 21:22:47,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:47,708 INFO L93 Difference]: Finished difference Result 2686 states and 3444 transitions. [2019-10-13 21:22:47,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:47,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-13 21:22:47,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:47,721 INFO L225 Difference]: With dead ends: 2686 [2019-10-13 21:22:47,721 INFO L226 Difference]: Without dead ends: 1917 [2019-10-13 21:22:47,725 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:47,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2019-10-13 21:22:47,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1684. [2019-10-13 21:22:47,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2019-10-13 21:22:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2029 transitions. [2019-10-13 21:22:47,852 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2029 transitions. Word has length 97 [2019-10-13 21:22:47,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:47,853 INFO L462 AbstractCegarLoop]: Abstraction has 1684 states and 2029 transitions. [2019-10-13 21:22:47,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2029 transitions. [2019-10-13 21:22:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 21:22:47,858 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:47,858 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:47,858 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:47,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,859 INFO L82 PathProgramCache]: Analyzing trace with hash 773750625, now seen corresponding path program 1 times [2019-10-13 21:22:47,859 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:47,859 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263572384] [2019-10-13 21:22:47,859 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,860 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:48,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263572384] [2019-10-13 21:22:48,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503958365] [2019-10-13 21:22:48,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:48,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:48,587 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:49,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1455735195] [2019-10-13 21:22:49,094 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 158 [2019-10-13 21:22:49,164 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:49,165 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:49,253 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:49,255 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:49,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:49,261 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:49,321 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:49,321 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:49,326 INFO L553 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2019-10-13 21:22:49,327 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:49,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:49,328 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:49,328 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060021213] [2019-10-13 21:22:49,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:49,329 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:49,330 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:49,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:49,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:49,330 INFO L87 Difference]: Start difference. First operand 1684 states and 2029 transitions. Second operand 2 states. [2019-10-13 21:22:49,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:49,408 INFO L93 Difference]: Finished difference Result 1684 states and 2029 transitions. [2019-10-13 21:22:49,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:49,408 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-10-13 21:22:49,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:49,409 INFO L225 Difference]: With dead ends: 1684 [2019-10-13 21:22:49,409 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:49,413 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:49,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:49,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-13 21:22:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:49,415 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:49,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:49,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:49,622 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:49,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:50,118 INFO L443 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2019-10-13 21:22:50,119 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 412 416) no Hoare annotation was computed. [2019-10-13 21:22:50,119 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 21:22:50,119 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 427) no Hoare annotation was computed. [2019-10-13 21:22:50,119 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 381 436) no Hoare annotation was computed. [2019-10-13 21:22:50,119 INFO L443 ceAbstractionStarter]: For program point L428(lines 405 429) no Hoare annotation was computed. [2019-10-13 21:22:50,119 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 381 436) no Hoare annotation was computed. [2019-10-13 21:22:50,120 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 381 436) no Hoare annotation was computed. [2019-10-13 21:22:50,120 INFO L443 ceAbstractionStarter]: For program point L482-1(line 482) no Hoare annotation was computed. [2019-10-13 21:22:50,120 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 437 496) no Hoare annotation was computed. [2019-10-13 21:22:50,120 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-13 21:22:50,120 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2019-10-13 21:22:50,120 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 21:22:50,120 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 437 496) no Hoare annotation was computed. [2019-10-13 21:22:50,120 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 488) no Hoare annotation was computed. [2019-10-13 21:22:50,121 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 437 496) no Hoare annotation was computed. [2019-10-13 21:22:50,121 INFO L443 ceAbstractionStarter]: For program point L489(lines 462 490) no Hoare annotation was computed. [2019-10-13 21:22:50,121 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 21:22:50,121 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 873 879) the Hoare annotation is: true [2019-10-13 21:22:50,121 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 873 879) no Hoare annotation was computed. [2019-10-13 21:22:50,122 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 880 888) no Hoare annotation was computed. [2019-10-13 21:22:50,122 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 880 888) the Hoare annotation is: true [2019-10-13 21:22:50,122 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 880 888) no Hoare annotation was computed. [2019-10-13 21:22:50,122 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 698 705) the Hoare annotation is: true [2019-10-13 21:22:50,122 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 698 705) no Hoare annotation was computed. [2019-10-13 21:22:50,122 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 698 705) no Hoare annotation was computed. [2019-10-13 21:22:50,122 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 706 715) the Hoare annotation is: true [2019-10-13 21:22:50,123 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 706 715) no Hoare annotation was computed. [2019-10-13 21:22:50,123 INFO L443 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2019-10-13 21:22:50,123 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 706 715) no Hoare annotation was computed. [2019-10-13 21:22:50,123 INFO L446 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2019-10-13 21:22:50,123 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-10-13 21:22:50,123 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 738) no Hoare annotation was computed. [2019-10-13 21:22:50,123 INFO L446 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: true [2019-10-13 21:22:50,124 INFO L443 ceAbstractionStarter]: For program point L726-1(line 726) no Hoare annotation was computed. [2019-10-13 21:22:50,124 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 741) no Hoare annotation was computed. [2019-10-13 21:22:50,124 INFO L443 ceAbstractionStarter]: For program point L724-1(lines 716 744) no Hoare annotation was computed. [2019-10-13 21:22:50,124 INFO L446 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2019-10-13 21:22:50,124 INFO L443 ceAbstractionStarter]: For program point L722-1(line 722) no Hoare annotation was computed. [2019-10-13 21:22:50,124 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 716 744) the Hoare annotation is: true [2019-10-13 21:22:50,124 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 716 744) no Hoare annotation was computed. [2019-10-13 21:22:50,125 INFO L446 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: true [2019-10-13 21:22:50,125 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 839) no Hoare annotation was computed. [2019-10-13 21:22:50,125 INFO L443 ceAbstractionStarter]: For program point L832-1(lines 832 839) no Hoare annotation was computed. [2019-10-13 21:22:50,125 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-13 21:22:50,125 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 822 844) the Hoare annotation is: true [2019-10-13 21:22:50,125 INFO L446 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: true [2019-10-13 21:22:50,125 INFO L446 ceAbstractionStarter]: At program point L828(line 828) the Hoare annotation is: true [2019-10-13 21:22:50,125 INFO L446 ceAbstractionStarter]: At program point L828-1(line 828) the Hoare annotation is: true [2019-10-13 21:22:50,126 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 822 844) no Hoare annotation was computed. [2019-10-13 21:22:50,126 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 822 844) no Hoare annotation was computed. [2019-10-13 21:22:50,126 INFO L446 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: true [2019-10-13 21:22:50,126 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 777 800) no Hoare annotation was computed. [2019-10-13 21:22:50,126 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 777 800) no Hoare annotation was computed. [2019-10-13 21:22:50,126 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 777 800) no Hoare annotation was computed. [2019-10-13 21:22:50,126 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-13 21:22:50,127 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-13 21:22:50,127 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-13 21:22:50,127 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-13 21:22:50,127 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-13 21:22:50,127 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-13 21:22:50,127 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-13 21:22:50,127 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-13 21:22:50,127 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-13 21:22:50,128 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-13 21:22:50,128 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-13 21:22:50,128 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-13 21:22:50,128 INFO L443 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2019-10-13 21:22:50,128 INFO L443 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2019-10-13 21:22:50,128 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 233 247) no Hoare annotation was computed. [2019-10-13 21:22:50,128 INFO L446 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2019-10-13 21:22:50,129 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-13 21:22:50,129 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 233 247) the Hoare annotation is: true [2019-10-13 21:22:50,129 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 233 247) no Hoare annotation was computed. [2019-10-13 21:22:50,129 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-13 21:22:50,129 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2019-10-13 21:22:50,129 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2019-10-13 21:22:50,129 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 193) no Hoare annotation was computed. [2019-10-13 21:22:50,129 INFO L443 ceAbstractionStarter]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2019-10-13 21:22:50,130 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-13 21:22:50,130 INFO L443 ceAbstractionStarter]: For program point L208-1(line 208) no Hoare annotation was computed. [2019-10-13 21:22:50,130 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2019-10-13 21:22:50,130 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2019-10-13 21:22:50,130 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 205) no Hoare annotation was computed. [2019-10-13 21:22:50,130 INFO L443 ceAbstractionStarter]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2019-10-13 21:22:50,130 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2019-10-13 21:22:50,130 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 866 872) no Hoare annotation was computed. [2019-10-13 21:22:50,131 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 866 872) the Hoare annotation is: true [2019-10-13 21:22:50,131 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 335 380) no Hoare annotation was computed. [2019-10-13 21:22:50,131 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 335 380) no Hoare annotation was computed. [2019-10-13 21:22:50,131 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 335 380) no Hoare annotation was computed. [2019-10-13 21:22:50,131 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 675) no Hoare annotation was computed. [2019-10-13 21:22:50,131 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 648 693) no Hoare annotation was computed. [2019-10-13 21:22:50,131 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 682) no Hoare annotation was computed. [2019-10-13 21:22:50,131 INFO L443 ceAbstractionStarter]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2019-10-13 21:22:50,132 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 648 693) no Hoare annotation was computed. [2019-10-13 21:22:50,132 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 648 693) no Hoare annotation was computed. [2019-10-13 21:22:50,132 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 808 818) the Hoare annotation is: true [2019-10-13 21:22:50,132 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-10-13 21:22:50,132 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 808 818) no Hoare annotation was computed. [2019-10-13 21:22:50,132 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 808 818) no Hoare annotation was computed. [2019-10-13 21:22:50,132 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 158 168) the Hoare annotation is: true [2019-10-13 21:22:50,132 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2019-10-13 21:22:50,133 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2019-10-13 21:22:50,133 INFO L446 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: true [2019-10-13 21:22:50,133 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-13 21:22:50,133 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: true [2019-10-13 21:22:50,133 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2019-10-13 21:22:50,133 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2019-10-13 21:22:50,133 INFO L443 ceAbstractionStarter]: For program point L973(lines 973 979) no Hoare annotation was computed. [2019-10-13 21:22:50,133 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 969 982) no Hoare annotation was computed. [2019-10-13 21:22:50,134 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 969 982) the Hoare annotation is: true [2019-10-13 21:22:50,134 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 969 982) no Hoare annotation was computed. [2019-10-13 21:22:50,134 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-10-13 21:22:50,134 INFO L443 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-10-13 21:22:50,134 INFO L446 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: true [2019-10-13 21:22:50,134 INFO L443 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2019-10-13 21:22:50,134 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-10-13 21:22:50,134 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2019-10-13 21:22:50,134 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: true [2019-10-13 21:22:50,135 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2019-10-13 21:22:50,135 INFO L443 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2019-10-13 21:22:50,135 INFO L446 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: true [2019-10-13 21:22:50,135 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-13 21:22:50,135 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2019-10-13 21:22:50,135 INFO L446 ceAbstractionStarter]: At program point L320(lines 269 321) the Hoare annotation is: true [2019-10-13 21:22:50,135 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 260 327) the Hoare annotation is: true [2019-10-13 21:22:50,135 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 260 327) no Hoare annotation was computed. [2019-10-13 21:22:50,136 INFO L446 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: true [2019-10-13 21:22:50,136 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 314) no Hoare annotation was computed. [2019-10-13 21:22:50,136 INFO L446 ceAbstractionStarter]: At program point L308-1(lines 300 315) the Hoare annotation is: true [2019-10-13 21:22:50,136 INFO L443 ceAbstractionStarter]: For program point L271(lines 270 319) no Hoare annotation was computed. [2019-10-13 21:22:50,136 INFO L446 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2019-10-13 21:22:50,136 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 315) no Hoare annotation was computed. [2019-10-13 21:22:50,136 INFO L446 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2019-10-13 21:22:50,136 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 296) no Hoare annotation was computed. [2019-10-13 21:22:50,137 INFO L443 ceAbstractionStarter]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2019-10-13 21:22:50,137 INFO L446 ceAbstractionStarter]: At program point L317(lines 270 319) the Hoare annotation is: true [2019-10-13 21:22:50,137 INFO L446 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: true [2019-10-13 21:22:50,137 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 286) no Hoare annotation was computed. [2019-10-13 21:22:50,137 INFO L443 ceAbstractionStarter]: For program point L280-1(lines 280 286) no Hoare annotation was computed. [2019-10-13 21:22:50,137 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-13 21:22:50,137 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 260 327) no Hoare annotation was computed. [2019-10-13 21:22:50,137 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 602 647) no Hoare annotation was computed. [2019-10-13 21:22:50,137 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 602 647) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 602 647) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 629) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 636) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point L616-1(lines 616 636) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 953) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point L945-2(lines 945 953) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 937 959) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 937 959) no Hoare annotation was computed. [2019-10-13 21:22:50,138 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 937 959) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 586) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 499 601) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 598) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 554) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 499 601) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point L548-2(lines 548 568) no Hoare annotation was computed. [2019-10-13 21:22:50,139 INFO L443 ceAbstractionStarter]: For program point L569(lines 547 570) no Hoare annotation was computed. [2019-10-13 21:22:50,140 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 499 601) no Hoare annotation was computed. [2019-10-13 21:22:50,140 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 544) no Hoare annotation was computed. [2019-10-13 21:22:50,140 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 595) no Hoare annotation was computed. [2019-10-13 21:22:50,140 INFO L443 ceAbstractionStarter]: For program point L549(lines 548 568) no Hoare annotation was computed. [2019-10-13 21:22:50,140 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 21:22:50,140 INFO L443 ceAbstractionStarter]: For program point L580-1(line 580) no Hoare annotation was computed. [2019-10-13 21:22:50,140 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 856 865) no Hoare annotation was computed. [2019-10-13 21:22:50,140 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 856 865) no Hoare annotation was computed. [2019-10-13 21:22:50,141 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 856 865) no Hoare annotation was computed. [2019-10-13 21:22:50,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,141 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))) [2019-10-13 21:22:50,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,141 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2019-10-13 21:22:50,141 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2019-10-13 21:22:50,141 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: true [2019-10-13 21:22:50,142 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2019-10-13 21:22:50,142 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-10-13 21:22:50,142 INFO L446 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: true [2019-10-13 21:22:50,142 INFO L443 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-10-13 21:22:50,142 INFO L443 ceAbstractionStarter]: For program point L221-1(line 221) no Hoare annotation was computed. [2019-10-13 21:22:50,142 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2019-10-13 21:22:50,142 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2019-10-13 21:22:50,142 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 960 968) the Hoare annotation is: true [2019-10-13 21:22:50,142 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 960 968) no Hoare annotation was computed. [2019-10-13 21:22:50,143 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 960 968) no Hoare annotation was computed. [2019-10-13 21:22:50,143 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 916 927) the Hoare annotation is: true [2019-10-13 21:22:50,143 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2019-10-13 21:22:50,143 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 916 927) no Hoare annotation was computed. [2019-10-13 21:22:50,143 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,143 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,143 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,144 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 928 936) the Hoare annotation is: true [2019-10-13 21:22:50,144 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 928 936) no Hoare annotation was computed. [2019-10-13 21:22:50,144 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 928 936) no Hoare annotation was computed. [2019-10-13 21:22:50,144 INFO L446 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: true [2019-10-13 21:22:50,144 INFO L443 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2019-10-13 21:22:50,144 INFO L443 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2019-10-13 21:22:50,144 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: true [2019-10-13 21:22:50,144 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2019-10-13 21:22:50,144 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:22:50,145 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2019-10-13 21:22:50,145 INFO L446 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: true [2019-10-13 21:22:50,145 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-10-13 21:22:50,145 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 747 776) no Hoare annotation was computed. [2019-10-13 21:22:50,145 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 747 776) the Hoare annotation is: true [2019-10-13 21:22:50,145 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-10-13 21:22:50,145 INFO L446 ceAbstractionStarter]: At program point L761-1(lines 761 765) the Hoare annotation is: true [2019-10-13 21:22:50,145 INFO L443 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-10-13 21:22:50,146 INFO L446 ceAbstractionStarter]: At program point L757-2(lines 757 771) the Hoare annotation is: true [2019-10-13 21:22:50,146 INFO L446 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: true [2019-10-13 21:22:50,146 INFO L443 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2019-10-13 21:22:50,146 INFO L446 ceAbstractionStarter]: At program point L772(lines 747 776) the Hoare annotation is: true [2019-10-13 21:22:50,146 INFO L443 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2019-10-13 21:22:50,146 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 892 903) the Hoare annotation is: true [2019-10-13 21:22:50,146 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 892 903) no Hoare annotation was computed. [2019-10-13 21:22:50,146 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 801 807) no Hoare annotation was computed. [2019-10-13 21:22:50,147 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 801 807) the Hoare annotation is: true [2019-10-13 21:22:50,147 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,147 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:50,147 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:50,147 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,147 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 248 255) no Hoare annotation was computed. [2019-10-13 21:22:50,147 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 248 255) the Hoare annotation is: true [2019-10-13 21:22:50,147 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 248 255) no Hoare annotation was computed. [2019-10-13 21:22:50,147 INFO L446 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: true [2019-10-13 21:22:50,148 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: true [2019-10-13 21:22:50,148 INFO L443 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2019-10-13 21:22:50,148 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-10-13 21:22:50,148 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2019-10-13 21:22:50,148 INFO L446 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true [2019-10-13 21:22:50,148 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2019-10-13 21:22:50,148 INFO L446 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: true [2019-10-13 21:22:50,148 INFO L446 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: true [2019-10-13 21:22:50,149 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-10-13 21:22:50,149 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 904 915) no Hoare annotation was computed. [2019-10-13 21:22:50,149 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2019-10-13 21:22:50,149 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 904 915) the Hoare annotation is: true [2019-10-13 21:22:50,149 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-10-13 21:22:50,149 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 846 853) no Hoare annotation was computed. [2019-10-13 21:22:50,149 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 846 853) the Hoare annotation is: true [2019-10-13 21:22:50,149 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 846 853) no Hoare annotation was computed. [2019-10-13 21:22:50,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:50 BoogieIcfgContainer [2019-10-13 21:22:50,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:50,161 INFO L168 Benchmark]: Toolchain (without parser) took 9806.96 ms. Allocated memory was 136.8 MB in the beginning and 356.5 MB in the end (delta: 219.7 MB). Free memory was 100.4 MB in the beginning and 187.0 MB in the end (delta: -86.7 MB). Peak memory consumption was 133.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,162 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.43 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 168.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,164 INFO L168 Benchmark]: Boogie Preprocessor took 112.18 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,165 INFO L168 Benchmark]: RCFGBuilder took 1227.14 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.6 MB in the beginning and 194.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,165 INFO L168 Benchmark]: TraceAbstraction took 7816.50 ms. Allocated memory was 231.2 MB in the beginning and 356.5 MB in the end (delta: 125.3 MB). Free memory was 194.9 MB in the beginning and 187.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 133.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.43 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 168.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.18 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1227.14 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.6 MB in the beginning and 194.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7816.50 ms. Allocated memory was 231.2 MB in the beginning and 356.5 MB in the end (delta: 125.3 MB). Free memory was 194.9 MB in the beginning and 187.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 133.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 850]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1538 SDtfs, 1093 SDslu, 3436 SDs, 0 SdLazy, 1687 SolverSat, 294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1684occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 325 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2226 PreInvPairs, 2227 NumberOfFragments, 76 HoareAnnotationTreeSize, 2226 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 944 NumberOfCodeBlocks, 944 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1090 ConstructedInterpolants, 0 QuantifiedInterpolants, 215438 SizeOfPredicates, 4 NumberOfNonLiveVariables, 937 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 124/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 168, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8333333333333334, 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...