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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:42,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:42,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:42,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:42,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:42,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:42,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:42,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:42,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:42,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:42,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:42,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:42,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:42,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:42,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:42,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:42,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:42,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:42,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:42,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:42,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:42,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:42,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:42,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:42,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:42,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:42,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:42,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:42,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:42,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:42,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:42,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:42,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:42,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:42,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:42,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:42,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:42,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:42,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:42,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:42,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:42,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:21:42,961 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:42,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:42,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:42,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:42,964 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:42,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:42,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:42,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:42,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:42,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:42,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:42,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:42,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:42,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:42,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:42,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:42,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:42,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:42,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:42,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:42,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:42,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:42,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:42,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:42,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:42,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:42,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:42,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:42,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:43,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:43,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:43,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:43,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:43,309 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:43,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2019-10-15 01:21:43,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0b2d7f3a/9a271e6135d74126a9dcb07590817ff6/FLAG636cb6a63 [2019-10-15 01:21:43,917 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:43,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2019-10-15 01:21:43,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0b2d7f3a/9a271e6135d74126a9dcb07590817ff6/FLAG636cb6a63 [2019-10-15 01:21:44,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0b2d7f3a/9a271e6135d74126a9dcb07590817ff6 [2019-10-15 01:21:44,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:44,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:44,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:44,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:44,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:44,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:44" (1/1) ... [2019-10-15 01:21:44,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bda3564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:44, skipping insertion in model container [2019-10-15 01:21:44,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:44" (1/1) ... [2019-10-15 01:21:44,279 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:44,338 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:44,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:44,870 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:44,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:45,009 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:45,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45 WrapperNode [2019-10-15 01:21:45,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:45,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:45,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:45,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:45,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:45,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:45,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:45,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:45,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:21:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:21:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:21:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:21:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:46,306 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:46,306 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:46,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:46 BoogieIcfgContainer [2019-10-15 01:21:46,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:46,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:46,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:46,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:46,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:44" (1/3) ... [2019-10-15 01:21:46,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df05474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:46, skipping insertion in model container [2019-10-15 01:21:46,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (2/3) ... [2019-10-15 01:21:46,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df05474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:46, skipping insertion in model container [2019-10-15 01:21:46,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:46" (3/3) ... [2019-10-15 01:21:46,316 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2019-10-15 01:21:46,327 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:46,336 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:46,348 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:46,377 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:46,377 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:46,377 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:46,377 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:46,378 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:46,378 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:46,378 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:46,378 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2019-10-15 01:21:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:46,414 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:46,415 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:46,417 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:46,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:46,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1951083148, now seen corresponding path program 1 times [2019-10-15 01:21:46,438 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:46,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253728793] [2019-10-15 01:21:46,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:46,799 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253728793] [2019-10-15 01:21:46,801 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:46,802 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:46,805 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591027076] [2019-10-15 01:21:46,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:46,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:46,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:46,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:46,834 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2019-10-15 01:21:46,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:46,924 INFO L93 Difference]: Finished difference Result 274 states and 335 transitions. [2019-10-15 01:21:46,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:46,926 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:46,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:46,947 INFO L225 Difference]: With dead ends: 274 [2019-10-15 01:21:46,947 INFO L226 Difference]: Without dead ends: 139 [2019-10-15 01:21:46,955 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-15 01:21:47,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-10-15 01:21:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-15 01:21:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2019-10-15 01:21:47,015 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2019-10-15 01:21:47,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,016 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2019-10-15 01:21:47,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2019-10-15 01:21:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:21:47,021 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,021 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:47,021 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1220523940, now seen corresponding path program 1 times [2019-10-15 01:21:47,022 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501170496] [2019-10-15 01:21:47,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,023 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:47,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501170496] [2019-10-15 01:21:47,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:47,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057820717] [2019-10-15 01:21:47,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:47,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:47,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:47,217 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 3 states. [2019-10-15 01:21:47,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,258 INFO L93 Difference]: Finished difference Result 214 states and 247 transitions. [2019-10-15 01:21:47,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:47,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:21:47,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,266 INFO L225 Difference]: With dead ends: 214 [2019-10-15 01:21:47,266 INFO L226 Difference]: Without dead ends: 130 [2019-10-15 01:21:47,270 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-15 01:21:47,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-10-15 01:21:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-15 01:21:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2019-10-15 01:21:47,299 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2019-10-15 01:21:47,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,300 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2019-10-15 01:21:47,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2019-10-15 01:21:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:21:47,306 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,306 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:47,306 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1125066517, now seen corresponding path program 1 times [2019-10-15 01:21:47,307 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,307 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261043216] [2019-10-15 01:21:47,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:47,508 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261043216] [2019-10-15 01:21:47,508 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,509 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:47,510 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014541162] [2019-10-15 01:21:47,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:47,513 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:47,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:47,514 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 7 states. [2019-10-15 01:21:48,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:48,014 INFO L93 Difference]: Finished difference Result 390 states and 465 transitions. [2019-10-15 01:21:48,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:21:48,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-15 01:21:48,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:48,019 INFO L225 Difference]: With dead ends: 390 [2019-10-15 01:21:48,020 INFO L226 Difference]: Without dead ends: 288 [2019-10-15 01:21:48,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:48,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2019-10-15 01:21:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 268. [2019-10-15 01:21:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2019-10-15 01:21:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 318 transitions. [2019-10-15 01:21:48,083 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 318 transitions. Word has length 64 [2019-10-15 01:21:48,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:48,084 INFO L462 AbstractCegarLoop]: Abstraction has 268 states and 318 transitions. [2019-10-15 01:21:48,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 318 transitions. [2019-10-15 01:21:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:21:48,090 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:48,090 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] [2019-10-15 01:21:48,091 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:48,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:48,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1836372268, now seen corresponding path program 1 times [2019-10-15 01:21:48,091 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:48,092 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764692273] [2019-10-15 01:21:48,092 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,092 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:48,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:48,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764692273] [2019-10-15 01:21:48,266 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:48,266 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:48,266 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441464418] [2019-10-15 01:21:48,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:48,267 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:48,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:48,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:48,268 INFO L87 Difference]: Start difference. First operand 268 states and 318 transitions. Second operand 7 states. [2019-10-15 01:21:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:48,998 INFO L93 Difference]: Finished difference Result 669 states and 845 transitions. [2019-10-15 01:21:49,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:21:49,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-15 01:21:49,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:49,005 INFO L225 Difference]: With dead ends: 669 [2019-10-15 01:21:49,005 INFO L226 Difference]: Without dead ends: 429 [2019-10-15 01:21:49,006 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:21:49,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2019-10-15 01:21:49,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 382. [2019-10-15 01:21:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-10-15 01:21:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 454 transitions. [2019-10-15 01:21:49,039 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 454 transitions. Word has length 70 [2019-10-15 01:21:49,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:49,040 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 454 transitions. [2019-10-15 01:21:49,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:49,040 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 454 transitions. [2019-10-15 01:21:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:21:49,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:49,043 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:49,043 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:49,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:49,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1329110427, now seen corresponding path program 1 times [2019-10-15 01:21:49,044 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:49,044 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117489081] [2019-10-15 01:21:49,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:49,149 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117489081] [2019-10-15 01:21:49,149 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:49,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:49,150 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56478057] [2019-10-15 01:21:49,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:49,151 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:49,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:49,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:49,153 INFO L87 Difference]: Start difference. First operand 382 states and 454 transitions. Second operand 4 states. [2019-10-15 01:21:49,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:49,450 INFO L93 Difference]: Finished difference Result 1406 states and 1770 transitions. [2019-10-15 01:21:49,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:21:49,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-10-15 01:21:49,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:49,462 INFO L225 Difference]: With dead ends: 1406 [2019-10-15 01:21:49,462 INFO L226 Difference]: Without dead ends: 1052 [2019-10-15 01:21:49,464 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:49,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-10-15 01:21:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1032. [2019-10-15 01:21:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2019-10-15 01:21:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1269 transitions. [2019-10-15 01:21:49,582 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1269 transitions. Word has length 102 [2019-10-15 01:21:49,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:49,585 INFO L462 AbstractCegarLoop]: Abstraction has 1032 states and 1269 transitions. [2019-10-15 01:21:49,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1269 transitions. [2019-10-15 01:21:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:21:49,594 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:49,594 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:49,594 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:49,595 INFO L82 PathProgramCache]: Analyzing trace with hash 359529404, now seen corresponding path program 1 times [2019-10-15 01:21:49,595 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:49,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735492114] [2019-10-15 01:21:49,595 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,595 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:49,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735492114] [2019-10-15 01:21:49,739 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:49,739 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:21:49,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629460067] [2019-10-15 01:21:49,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:21:49,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:49,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:21:49,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:21:49,741 INFO L87 Difference]: Start difference. First operand 1032 states and 1269 transitions. Second operand 6 states. [2019-10-15 01:21:49,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:49,824 INFO L93 Difference]: Finished difference Result 2078 states and 2644 transitions. [2019-10-15 01:21:49,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:49,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2019-10-15 01:21:49,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:49,831 INFO L225 Difference]: With dead ends: 2078 [2019-10-15 01:21:49,832 INFO L226 Difference]: Without dead ends: 1074 [2019-10-15 01:21:49,835 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:49,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2019-10-15 01:21:49,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1062. [2019-10-15 01:21:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2019-10-15 01:21:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1301 transitions. [2019-10-15 01:21:49,898 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1301 transitions. Word has length 102 [2019-10-15 01:21:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:49,898 INFO L462 AbstractCegarLoop]: Abstraction has 1062 states and 1301 transitions. [2019-10-15 01:21:49,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:21:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1301 transitions. [2019-10-15 01:21:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:21:49,905 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:49,905 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:49,905 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:49,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1689858438, now seen corresponding path program 1 times [2019-10-15 01:21:49,906 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:49,906 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698951441] [2019-10-15 01:21:49,906 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,907 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:50,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698951441] [2019-10-15 01:21:50,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:50,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:21:50,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846220164] [2019-10-15 01:21:50,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:21:50,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:21:50,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:50,018 INFO L87 Difference]: Start difference. First operand 1062 states and 1301 transitions. Second operand 8 states. [2019-10-15 01:21:50,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,101 INFO L93 Difference]: Finished difference Result 1897 states and 2383 transitions. [2019-10-15 01:21:50,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:21:50,101 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-10-15 01:21:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,108 INFO L225 Difference]: With dead ends: 1897 [2019-10-15 01:21:50,109 INFO L226 Difference]: Without dead ends: 863 [2019-10-15 01:21:50,112 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2019-10-15 01:21:50,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 863. [2019-10-15 01:21:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2019-10-15 01:21:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1044 transitions. [2019-10-15 01:21:50,169 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1044 transitions. Word has length 102 [2019-10-15 01:21:50,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,169 INFO L462 AbstractCegarLoop]: Abstraction has 863 states and 1044 transitions. [2019-10-15 01:21:50,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:21:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1044 transitions. [2019-10-15 01:21:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-15 01:21:50,173 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,173 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,174 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,174 INFO L82 PathProgramCache]: Analyzing trace with hash -764679949, now seen corresponding path program 1 times [2019-10-15 01:21:50,176 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412755597] [2019-10-15 01:21:50,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:50,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412755597] [2019-10-15 01:21:50,375 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:50,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:21:50,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796532516] [2019-10-15 01:21:50,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:21:50,376 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:21:50,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:21:50,377 INFO L87 Difference]: Start difference. First operand 863 states and 1044 transitions. Second operand 9 states. [2019-10-15 01:21:51,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:51,468 INFO L93 Difference]: Finished difference Result 2374 states and 3005 transitions. [2019-10-15 01:21:51,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:21:51,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2019-10-15 01:21:51,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:51,478 INFO L225 Difference]: With dead ends: 2374 [2019-10-15 01:21:51,479 INFO L226 Difference]: Without dead ends: 1711 [2019-10-15 01:21:51,482 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 [2019-10-15 01:21:51,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2019-10-15 01:21:51,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1516. [2019-10-15 01:21:51,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2019-10-15 01:21:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1816 transitions. [2019-10-15 01:21:51,603 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1816 transitions. Word has length 106 [2019-10-15 01:21:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:51,604 INFO L462 AbstractCegarLoop]: Abstraction has 1516 states and 1816 transitions. [2019-10-15 01:21:51,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:21:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1816 transitions. [2019-10-15 01:21:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 01:21:51,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:51,607 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:51,608 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:51,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:51,608 INFO L82 PathProgramCache]: Analyzing trace with hash -60868023, now seen corresponding path program 1 times [2019-10-15 01:21:51,608 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:51,609 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982888432] [2019-10-15 01:21:51,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:51,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:51,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:21:51,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982888432] [2019-10-15 01:21:51,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453498750] [2019-10-15 01:21:51,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:51,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:21:51,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:52,158 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:21:52,580 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [891009150] [2019-10-15 01:21:52,586 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 150 [2019-10-15 01:21:52,634 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:52,635 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:52,709 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:52,711 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:21:52,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:52,716 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:52,795 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:52,795 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:52,807 INFO L553 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2019-10-15 01:21:52,807 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:52,808 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:52,808 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:21:52,808 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709516413] [2019-10-15 01:21:52,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:52,810 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:52,810 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:52,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:52,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:52,811 INFO L87 Difference]: Start difference. First operand 1516 states and 1816 transitions. Second operand 2 states. [2019-10-15 01:21:52,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:52,830 INFO L93 Difference]: Finished difference Result 1516 states and 1816 transitions. [2019-10-15 01:21:52,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:52,830 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 149 [2019-10-15 01:21:52,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:52,831 INFO L225 Difference]: With dead ends: 1516 [2019-10-15 01:21:52,831 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:52,835 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:52,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:52,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:52,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-10-15 01:21:52,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:52,837 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:52,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:52,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:53,044 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:53,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:53,422 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:21:53,422 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:21:53,423 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-15 01:21:53,423 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 01:21:53,423 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:53,423 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 01:21:53,423 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:53,423 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:53,423 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:21:53,424 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 01:21:53,424 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:53,424 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:21:53,424 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:21:53,424 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-15 01:21:53,424 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:53,424 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 01:21:53,424 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:53,425 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 01:21:53,425 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2019-10-15 01:21:53,425 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2019-10-15 01:21:53,426 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2019-10-15 01:21:53,426 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2019-10-15 01:21:53,426 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2019-10-15 01:21:53,426 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: true [2019-10-15 01:21:53,426 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2019-10-15 01:21:53,426 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2019-10-15 01:21:53,426 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: true [2019-10-15 01:21:53,426 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2019-10-15 01:21:53,427 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-15 01:21:53,427 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2019-10-15 01:21:53,427 INFO L443 ceAbstractionStarter]: For program point L898-1(line 898) no Hoare annotation was computed. [2019-10-15 01:21:53,428 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2019-10-15 01:21:53,428 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2019-10-15 01:21:53,428 INFO L446 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: true [2019-10-15 01:21:53,428 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 911) no Hoare annotation was computed. [2019-10-15 01:21:53,429 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-10-15 01:21:53,429 INFO L446 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2019-10-15 01:21:53,429 INFO L443 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2019-10-15 01:21:53,429 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 917) no Hoare annotation was computed. [2019-10-15 01:21:53,429 INFO L443 ceAbstractionStarter]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2019-10-15 01:21:53,429 INFO L446 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: true [2019-10-15 01:21:53,429 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: true [2019-10-15 01:21:53,430 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2019-10-15 01:21:53,430 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-10-15 01:21:53,430 INFO L446 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: true [2019-10-15 01:21:53,430 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-10-15 01:21:53,430 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2019-10-15 01:21:53,430 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-15 01:21:53,430 INFO L446 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: true [2019-10-15 01:21:53,430 INFO L446 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: true [2019-10-15 01:21:53,432 INFO L446 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: true [2019-10-15 01:21:53,432 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2019-10-15 01:21:53,432 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-15 01:21:53,432 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-15 01:21:53,432 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-15 01:21:53,433 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-15 01:21:53,434 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-15 01:21:53,434 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-15 01:21:53,434 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-15 01:21:53,434 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-15 01:21:53,434 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-15 01:21:53,434 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2019-10-15 01:21:53,434 INFO L446 ceAbstractionStarter]: At program point L767(line 767) the Hoare annotation is: true [2019-10-15 01:21:53,434 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 771) no Hoare annotation was computed. [2019-10-15 01:21:53,434 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: true [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2019-10-15 01:21:53,435 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point L736(line 736) no Hoare annotation was computed. [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 733) no Hoare annotation was computed. [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 706 741) no Hoare annotation was computed. [2019-10-15 01:21:53,435 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2019-10-15 01:21:53,436 INFO L443 ceAbstractionStarter]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2019-10-15 01:21:53,436 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 706 741) no Hoare annotation was computed. [2019-10-15 01:21:53,436 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 706 741) no Hoare annotation was computed. [2019-10-15 01:21:53,436 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2019-10-15 01:21:53,436 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2019-10-15 01:21:53,436 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:53,436 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:53,436 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:53,437 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-15 01:21:53,437 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:53,437 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:21:53,437 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:21:53,437 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:53,437 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:53,438 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: true [2019-10-15 01:21:53,438 INFO L446 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: true [2019-10-15 01:21:53,438 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2019-10-15 01:21:53,438 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2019-10-15 01:21:53,438 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2019-10-15 01:21:53,439 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2019-10-15 01:21:53,439 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2019-10-15 01:21:53,439 INFO L446 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2019-10-15 01:21:53,439 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-15 01:21:53,439 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: true [2019-10-15 01:21:53,439 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2019-10-15 01:21:53,439 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2019-10-15 01:21:53,439 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 867) no Hoare annotation was computed. [2019-10-15 01:21:53,440 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2019-10-15 01:21:53,440 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2019-10-15 01:21:53,440 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2019-10-15 01:21:53,440 INFO L446 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: true [2019-10-15 01:21:53,440 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-10-15 01:21:53,440 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-10-15 01:21:53,440 INFO L446 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: true [2019-10-15 01:21:53,440 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-15 01:21:53,440 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-10-15 01:21:53,441 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2019-10-15 01:21:53,441 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: true [2019-10-15 01:21:53,441 INFO L446 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: true [2019-10-15 01:21:53,441 INFO L443 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2019-10-15 01:21:53,441 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2019-10-15 01:21:53,441 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2019-10-15 01:21:53,441 INFO L446 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: true [2019-10-15 01:21:53,441 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 513 578) the Hoare annotation is: true [2019-10-15 01:21:53,442 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-10-15 01:21:53,442 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2019-10-15 01:21:53,442 INFO L446 ceAbstractionStarter]: At program point L568(lines 523 570) the Hoare annotation is: true [2019-10-15 01:21:53,442 INFO L446 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2019-10-15 01:21:53,442 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2019-10-15 01:21:53,442 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-10-15 01:21:53,442 INFO L443 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2019-10-15 01:21:53,442 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2019-10-15 01:21:53,442 INFO L446 ceAbstractionStarter]: At program point L571(lines 522 572) the Hoare annotation is: true [2019-10-15 01:21:53,443 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-10-15 01:21:53,443 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-10-15 01:21:53,443 INFO L446 ceAbstractionStarter]: At program point L559-1(lines 553 566) the Hoare annotation is: true [2019-10-15 01:21:53,443 INFO L443 ceAbstractionStarter]: For program point L524(lines 523 570) no Hoare annotation was computed. [2019-10-15 01:21:53,443 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 566) no Hoare annotation was computed. [2019-10-15 01:21:53,443 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2019-10-15 01:21:53,443 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:53,443 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:53,443 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:53,444 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-15 01:21:53,444 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:21:53,444 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:21:53,444 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: true [2019-10-15 01:21:53,444 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2019-10-15 01:21:53,444 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2019-10-15 01:21:53,444 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 841) no Hoare annotation was computed. [2019-10-15 01:21:53,444 INFO L443 ceAbstractionStarter]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 825 847) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 825 847) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 825 847) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:21:53,445 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-15 01:21:53,446 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:53,446 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-15 01:21:53,446 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:21:53,446 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:21:53,446 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:53,446 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 01:21:53,446 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-15 01:21:53,447 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:21:53,447 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 01:21:53,447 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 01:21:53,447 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 923 932) no Hoare annotation was computed. [2019-10-15 01:21:53,447 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 923 932) no Hoare annotation was computed. [2019-10-15 01:21:53,448 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 923 932) no Hoare annotation was computed. [2019-10-15 01:21:53,448 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:53,448 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:21:53,448 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:53,448 INFO L446 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2019-10-15 01:21:53,448 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2019-10-15 01:21:53,448 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 674) no Hoare annotation was computed. [2019-10-15 01:21:53,448 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2019-10-15 01:21:53,449 INFO L446 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2019-10-15 01:21:53,449 INFO L443 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2019-10-15 01:21:53,449 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: true [2019-10-15 01:21:53,449 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2019-10-15 01:21:53,449 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 755) no Hoare annotation was computed. [2019-10-15 01:21:53,449 INFO L446 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: true [2019-10-15 01:21:53,449 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2019-10-15 01:21:53,449 INFO L443 ceAbstractionStarter]: For program point L749-1(line 749) no Hoare annotation was computed. [2019-10-15 01:21:53,450 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2019-10-15 01:21:53,450 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2019-10-15 01:21:53,450 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2019-10-15 01:21:53,451 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2019-10-15 01:21:53,451 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2019-10-15 01:21:53,451 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:53,451 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:53,451 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:53,452 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: true [2019-10-15 01:21:53,452 INFO L443 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2019-10-15 01:21:53,452 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2019-10-15 01:21:53,452 INFO L446 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2019-10-15 01:21:53,452 INFO L446 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: true [2019-10-15 01:21:53,452 INFO L446 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2019-10-15 01:21:53,453 INFO L443 ceAbstractionStarter]: For program point L599(lines 595 617) no Hoare annotation was computed. [2019-10-15 01:21:53,453 INFO L443 ceAbstractionStarter]: For program point L597(lines 595 617) no Hoare annotation was computed. [2019-10-15 01:21:53,453 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: true [2019-10-15 01:21:53,453 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2019-10-15 01:21:53,453 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2019-10-15 01:21:53,453 INFO L446 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2019-10-15 01:21:53,454 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2019-10-15 01:21:53,454 INFO L446 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2019-10-15 01:21:53,454 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-15 01:21:53,454 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2019-10-15 01:21:53,455 INFO L446 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2019-10-15 01:21:53,455 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-15 01:21:53,455 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-15 01:21:53,455 INFO L446 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2019-10-15 01:21:53,455 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-15 01:21:53,455 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2019-10-15 01:21:53,455 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2019-10-15 01:21:53,455 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2019-10-15 01:21:53,455 INFO L443 ceAbstractionStarter]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2019-10-15 01:21:53,456 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: true [2019-10-15 01:21:53,456 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2019-10-15 01:21:53,456 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2019-10-15 01:21:53,456 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2019-10-15 01:21:53,456 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:53,456 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:53,456 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:53,456 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:53,457 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2019-10-15 01:21:53,457 INFO L443 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2019-10-15 01:21:53,457 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: true [2019-10-15 01:21:53,457 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2019-10-15 01:21:53,457 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2019-10-15 01:21:53,457 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2019-10-15 01:21:53,457 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-10-15 01:21:53,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:53 BoogieIcfgContainer [2019-10-15 01:21:53,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:53,477 INFO L168 Benchmark]: Toolchain (without parser) took 9211.53 ms. Allocated memory was 138.4 MB in the beginning and 327.2 MB in the end (delta: 188.7 MB). Free memory was 101.8 MB in the beginning and 108.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 182.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:53,478 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:53,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.45 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 169.3 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:53,480 INFO L168 Benchmark]: Boogie Preprocessor took 87.86 ms. Allocated memory is still 202.9 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:53,484 INFO L168 Benchmark]: RCFGBuilder took 1209.36 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 193.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:53,485 INFO L168 Benchmark]: TraceAbstraction took 7165.10 ms. Allocated memory was 235.9 MB in the beginning and 327.2 MB in the end (delta: 91.2 MB). Free memory was 193.9 MB in the beginning and 108.4 MB in the end (delta: 85.5 MB). Peak memory consumption was 176.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:53,497 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.45 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 169.3 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.86 ms. Allocated memory is still 202.9 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1209.36 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 193.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7165.10 ms. Allocated memory was 235.9 MB in the beginning and 327.2 MB in the end (delta: 91.2 MB). Free memory was 193.9 MB in the beginning and 108.4 MB in the end (delta: 85.5 MB). Peak memory consumption was 176.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 238 locations, 1 error locations. Result: SAFE, OverallTime: 7.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1432 SDtfs, 1195 SDslu, 3106 SDs, 0 SdLazy, 1537 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1516occurred 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, 294 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1855 PreInvPairs, 1856 NumberOfFragments, 72 HoareAnnotationTreeSize, 1855 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 963 NumberOfCodeBlocks, 963 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1101 ConstructedInterpolants, 0 QuantifiedInterpolants, 206908 SizeOfPredicates, 4 NumberOfNonLiveVariables, 912 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 115/138 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 130, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8581081081081081, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...