/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:02:47,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:02:47,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:02:47,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:02:47,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:02:47,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:02:47,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:02:47,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:02:47,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:02:47,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:02:47,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:02:47,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:02:47,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:02:47,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:02:47,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:02:47,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:02:47,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:02:47,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:02:47,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:02:47,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:02:47,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:02:47,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:02:47,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:02:47,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:02:47,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:02:47,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:02:47,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:02:47,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:02:47,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:02:47,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:02:47,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:02:47,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:02:47,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:02:47,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:02:47,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:02:47,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:02:47,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:02:47,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:02:47,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:02:47,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:02:47,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:02:47,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:02:47,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:02:48,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:02:48,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:02:48,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:02:48,001 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:02:48,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:02:48,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:02:48,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:02:48,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:02:48,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:02:48,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:02:48,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:02:48,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:02:48,005 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:02:48,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:02:48,005 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:02:48,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:02:48,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:02:48,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:02:48,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:02:48,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:02:48,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:48,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:02:48,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:02:48,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:02:48,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:02:48,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:02:48,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:02:48,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:02:48,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:02:48,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:02:48,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:02:48,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:02:48,326 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:02:48,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-11-07 01:02:48,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9354be8b/5851479b04e242e1b69ac4614c14c0e0/FLAGce53a626a [2019-11-07 01:02:48,949 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:02:48,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-11-07 01:02:48,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9354be8b/5851479b04e242e1b69ac4614c14c0e0/FLAGce53a626a [2019-11-07 01:02:49,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9354be8b/5851479b04e242e1b69ac4614c14c0e0 [2019-11-07 01:02:49,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:02:49,317 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:02:49,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:49,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:02:49,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:02:49,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:49" (1/1) ... [2019-11-07 01:02:49,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f0e6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:49, skipping insertion in model container [2019-11-07 01:02:49,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:49" (1/1) ... [2019-11-07 01:02:49,335 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:02:49,398 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:02:49,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:49,871 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:02:49,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:50,013 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:02:50,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50 WrapperNode [2019-11-07 01:02:50,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:50,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:02:50,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:02:50,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:02:50,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... [2019-11-07 01:02:50,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:02:50,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:02:50,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:02:50,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:02:50,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:02:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:02:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:02:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:02:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:02:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:02:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:02:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:02:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:02:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:02:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:02:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:02:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:02:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:02:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:02:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:02:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:02:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:02:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:02:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:02:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:02:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:02:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:02:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:02:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:02:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:02:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:02:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:02:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:02:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:02:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:02:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:02:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:50,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:02:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:02:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:02:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:02:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:02:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:02:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:02:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:02:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:02:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:02:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:02:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:02:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:02:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:02:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:02:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:02:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:02:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:02:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:02:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:02:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:02:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:02:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:02:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:02:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:02:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:02:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:02:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:02:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:02:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:02:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:02:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:02:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:02:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:02:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:02:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:02:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:02:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:02:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:02:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:02:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:02:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:02:51,257 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:02:51,259 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:02:51,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:51 BoogieIcfgContainer [2019-11-07 01:02:51,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:02:51,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:02:51,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:02:51,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:02:51,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:02:49" (1/3) ... [2019-11-07 01:02:51,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1230be48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:51, skipping insertion in model container [2019-11-07 01:02:51,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:50" (2/3) ... [2019-11-07 01:02:51,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1230be48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:51, skipping insertion in model container [2019-11-07 01:02:51,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:51" (3/3) ... [2019-11-07 01:02:51,273 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2019-11-07 01:02:51,283 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:02:51,293 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:02:51,304 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:02:51,341 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:02:51,342 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:02:51,342 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:02:51,342 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:02:51,342 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:02:51,342 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:02:51,342 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:02:51,342 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:02:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-11-07 01:02:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 01:02:51,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:51,387 INFO L410 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] [2019-11-07 01:02:51,390 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:51,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:51,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2019-11-07 01:02:51,405 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:51,406 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76015573] [2019-11-07 01:02:51,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:51,787 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76015573] [2019-11-07 01:02:51,788 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:51,788 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:02:51,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486854938] [2019-11-07 01:02:51,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:02:51,796 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:51,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:02:51,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:02:51,815 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2019-11-07 01:02:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:51,878 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2019-11-07 01:02:51,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:02:51,882 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-11-07 01:02:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:51,893 INFO L225 Difference]: With dead ends: 226 [2019-11-07 01:02:51,894 INFO L226 Difference]: Without dead ends: 115 [2019-11-07 01:02:51,902 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:02:51,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-07 01:02:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-11-07 01:02:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-07 01:02:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2019-11-07 01:02:51,955 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2019-11-07 01:02:51,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:51,956 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2019-11-07 01:02:51,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:02:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2019-11-07 01:02:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 01:02:51,960 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:51,961 INFO L410 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] [2019-11-07 01:02:51,961 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:51,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:51,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2019-11-07 01:02:51,962 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:51,962 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798882637] [2019-11-07 01:02:51,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:52,115 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798882637] [2019-11-07 01:02:52,115 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:52,115 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:02:52,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876372816] [2019-11-07 01:02:52,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:02:52,119 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:52,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:02:52,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:02:52,120 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2019-11-07 01:02:52,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:52,161 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2019-11-07 01:02:52,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:02:52,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-11-07 01:02:52,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:52,168 INFO L225 Difference]: With dead ends: 202 [2019-11-07 01:02:52,168 INFO L226 Difference]: Without dead ends: 115 [2019-11-07 01:02:52,170 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:02:52,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-07 01:02:52,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-11-07 01:02:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-07 01:02:52,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2019-11-07 01:02:52,185 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 64 [2019-11-07 01:02:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:52,187 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2019-11-07 01:02:52,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:02:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2019-11-07 01:02:52,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-07 01:02:52,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:52,189 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:52,190 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:52,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:52,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2019-11-07 01:02:52,190 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:52,191 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056567659] [2019-11-07 01:02:52,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:52,338 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056567659] [2019-11-07 01:02:52,339 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:52,339 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:02:52,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813339507] [2019-11-07 01:02:52,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:02:52,340 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:52,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:02:52,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:02:52,341 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 5 states. [2019-11-07 01:02:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:52,999 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2019-11-07 01:02:52,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:52,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-11-07 01:02:53,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:53,003 INFO L225 Difference]: With dead ends: 319 [2019-11-07 01:02:53,003 INFO L226 Difference]: Without dead ends: 232 [2019-11-07 01:02:53,005 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:53,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-11-07 01:02:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 208. [2019-11-07 01:02:53,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-11-07 01:02:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2019-11-07 01:02:53,060 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 72 [2019-11-07 01:02:53,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:53,060 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2019-11-07 01:02:53,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:02:53,060 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2019-11-07 01:02:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-07 01:02:53,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:53,068 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:53,069 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:53,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:53,069 INFO L82 PathProgramCache]: Analyzing trace with hash 402114491, now seen corresponding path program 1 times [2019-11-07 01:02:53,069 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:53,070 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350478031] [2019-11-07 01:02:53,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:02:53,260 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350478031] [2019-11-07 01:02:53,261 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:53,261 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:02:53,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617652040] [2019-11-07 01:02:53,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:02:53,263 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:53,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:02:53,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:53,264 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand 7 states. [2019-11-07 01:02:53,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:53,953 INFO L93 Difference]: Finished difference Result 411 states and 516 transitions. [2019-11-07 01:02:53,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 01:02:53,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2019-11-07 01:02:53,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:53,957 INFO L225 Difference]: With dead ends: 411 [2019-11-07 01:02:53,957 INFO L226 Difference]: Without dead ends: 231 [2019-11-07 01:02:53,959 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:02:53,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-11-07 01:02:53,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 207. [2019-11-07 01:02:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-11-07 01:02:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 248 transitions. [2019-11-07 01:02:53,985 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 248 transitions. Word has length 86 [2019-11-07 01:02:53,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:53,986 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 248 transitions. [2019-11-07 01:02:53,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:02:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 248 transitions. [2019-11-07 01:02:53,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:02:53,992 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:53,992 INFO L410 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] [2019-11-07 01:02:53,992 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:53,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:53,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2019-11-07 01:02:53,993 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:53,993 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226667561] [2019-11-07 01:02:53,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:54,096 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226667561] [2019-11-07 01:02:54,096 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:54,096 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:02:54,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497516719] [2019-11-07 01:02:54,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:02:54,098 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:54,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:02:54,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:02:54,100 INFO L87 Difference]: Start difference. First operand 207 states and 248 transitions. Second operand 6 states. [2019-11-07 01:02:54,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:54,150 INFO L93 Difference]: Finished difference Result 391 states and 481 transitions. [2019-11-07 01:02:54,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:54,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-11-07 01:02:54,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:54,161 INFO L225 Difference]: With dead ends: 391 [2019-11-07 01:02:54,162 INFO L226 Difference]: Without dead ends: 212 [2019-11-07 01:02:54,163 INFO L630 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 [2019-11-07 01:02:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-07 01:02:54,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-11-07 01:02:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-11-07 01:02:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 253 transitions. [2019-11-07 01:02:54,204 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 253 transitions. Word has length 87 [2019-11-07 01:02:54,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:54,206 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 253 transitions. [2019-11-07 01:02:54,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:02:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 253 transitions. [2019-11-07 01:02:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:02:54,210 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:54,210 INFO L410 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] [2019-11-07 01:02:54,210 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:54,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:54,211 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2019-11-07 01:02:54,211 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:54,211 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060494036] [2019-11-07 01:02:54,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:54,342 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060494036] [2019-11-07 01:02:54,343 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:54,344 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 01:02:54,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520295838] [2019-11-07 01:02:54,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:02:54,346 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:54,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:02:54,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:02:54,347 INFO L87 Difference]: Start difference. First operand 212 states and 253 transitions. Second operand 8 states. [2019-11-07 01:02:54,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:54,396 INFO L93 Difference]: Finished difference Result 403 states and 501 transitions. [2019-11-07 01:02:54,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:02:54,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2019-11-07 01:02:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:54,401 INFO L225 Difference]: With dead ends: 403 [2019-11-07 01:02:54,402 INFO L226 Difference]: Without dead ends: 219 [2019-11-07 01:02:54,403 INFO L630 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 [2019-11-07 01:02:54,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-11-07 01:02:54,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 216. [2019-11-07 01:02:54,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-11-07 01:02:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 257 transitions. [2019-11-07 01:02:54,429 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 257 transitions. Word has length 87 [2019-11-07 01:02:54,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:54,430 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 257 transitions. [2019-11-07 01:02:54,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:02:54,430 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 257 transitions. [2019-11-07 01:02:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:02:54,434 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:54,434 INFO L410 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] [2019-11-07 01:02:54,434 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:54,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:54,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2019-11-07 01:02:54,435 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:54,435 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715892980] [2019-11-07 01:02:54,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:54,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:54,534 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715892980] [2019-11-07 01:02:54,534 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:54,535 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:02:54,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517896286] [2019-11-07 01:02:54,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:02:54,536 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:54,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:02:54,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:02:54,537 INFO L87 Difference]: Start difference. First operand 216 states and 257 transitions. Second operand 4 states. [2019-11-07 01:02:54,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:54,788 INFO L93 Difference]: Finished difference Result 632 states and 800 transitions. [2019-11-07 01:02:54,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:02:54,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2019-11-07 01:02:54,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:54,793 INFO L225 Difference]: With dead ends: 632 [2019-11-07 01:02:54,793 INFO L226 Difference]: Without dead ends: 435 [2019-11-07 01:02:54,794 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:02:54,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-07 01:02:54,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 425. [2019-11-07 01:02:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-11-07 01:02:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 527 transitions. [2019-11-07 01:02:54,827 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 527 transitions. Word has length 87 [2019-11-07 01:02:54,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:54,827 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 527 transitions. [2019-11-07 01:02:54,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:02:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 527 transitions. [2019-11-07 01:02:54,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-07 01:02:54,829 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:54,830 INFO L410 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] [2019-11-07 01:02:54,830 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:54,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:54,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2019-11-07 01:02:54,830 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:54,831 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658913870] [2019-11-07 01:02:54,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:55,002 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658913870] [2019-11-07 01:02:55,002 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:55,002 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:02:55,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11990486] [2019-11-07 01:02:55,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:02:55,003 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:55,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:02:55,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:02:55,006 INFO L87 Difference]: Start difference. First operand 425 states and 527 transitions. Second operand 9 states. [2019-11-07 01:02:55,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:55,988 INFO L93 Difference]: Finished difference Result 1165 states and 1535 transitions. [2019-11-07 01:02:55,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 01:02:55,988 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2019-11-07 01:02:55,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:55,994 INFO L225 Difference]: With dead ends: 1165 [2019-11-07 01:02:55,994 INFO L226 Difference]: Without dead ends: 817 [2019-11-07 01:02:55,997 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2019-11-07 01:02:56,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 711. [2019-11-07 01:02:56,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2019-11-07 01:02:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 869 transitions. [2019-11-07 01:02:56,049 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 869 transitions. Word has length 91 [2019-11-07 01:02:56,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:56,050 INFO L462 AbstractCegarLoop]: Abstraction has 711 states and 869 transitions. [2019-11-07 01:02:56,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:02:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 869 transitions. [2019-11-07 01:02:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-07 01:02:56,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:56,054 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-07 01:02:56,054 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:56,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:56,054 INFO L82 PathProgramCache]: Analyzing trace with hash 226431263, now seen corresponding path program 1 times [2019-11-07 01:02:56,055 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:56,055 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660358671] [2019-11-07 01:02:56,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-07 01:02:56,140 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660358671] [2019-11-07 01:02:56,141 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322801421] [2019-11-07 01:02:56,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:56,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-07 01:02:56,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:02:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-07 01:02:56,463 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:02:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-11-07 01:02:56,685 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 01:02:56,685 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2019-11-07 01:02:56,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306505342] [2019-11-07 01:02:56,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:02:56,686 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:56,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:02:56,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:02:56,687 INFO L87 Difference]: Start difference. First operand 711 states and 869 transitions. Second operand 3 states. [2019-11-07 01:02:56,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:56,720 INFO L93 Difference]: Finished difference Result 1092 states and 1275 transitions. [2019-11-07 01:02:56,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:02:56,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2019-11-07 01:02:56,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:56,725 INFO L225 Difference]: With dead ends: 1092 [2019-11-07 01:02:56,725 INFO L226 Difference]: Without dead ends: 616 [2019-11-07 01:02:56,727 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:02:56,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2019-11-07 01:02:56,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 616. [2019-11-07 01:02:56,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2019-11-07 01:02:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 715 transitions. [2019-11-07 01:02:56,763 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 715 transitions. Word has length 179 [2019-11-07 01:02:56,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:56,763 INFO L462 AbstractCegarLoop]: Abstraction has 616 states and 715 transitions. [2019-11-07 01:02:56,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:02:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 715 transitions. [2019-11-07 01:02:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-07 01:02:56,765 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:56,765 INFO L410 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] [2019-11-07 01:02:56,969 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:56,970 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:56,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:56,971 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2019-11-07 01:02:56,971 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:56,972 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619290324] [2019-11-07 01:02:56,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:02:57,114 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619290324] [2019-11-07 01:02:57,114 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932019361] [2019-11-07 01:02:57,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:57,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 01:02:57,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:02:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:02:57,566 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:02:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:02:57,856 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1613541638] [2019-11-07 01:02:57,863 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 135 [2019-11-07 01:02:57,914 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:02:57,915 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:02:58,008 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:02:58,010 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. [2019-11-07 01:02:58,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:58,014 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:02:58,063 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:02:58,064 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:02:58,067 INFO L553 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2019-11-07 01:02:58,067 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:02:58,068 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:02:58,068 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-11-07 01:02:58,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981524254] [2019-11-07 01:02:58,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:02:58,070 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:58,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:02:58,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:58,071 INFO L87 Difference]: Start difference. First operand 616 states and 715 transitions. Second operand 2 states. [2019-11-07 01:02:58,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:58,079 INFO L93 Difference]: Finished difference Result 616 states and 715 transitions. [2019-11-07 01:02:58,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:02:58,079 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-11-07 01:02:58,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:58,080 INFO L225 Difference]: With dead ends: 616 [2019-11-07 01:02:58,080 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:02:58,082 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 258 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:02:58,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:02:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:02:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:02:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:02:58,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2019-11-07 01:02:58,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:58,083 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:02:58,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:02:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:02:58,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:02:58,295 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:58,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:02:58,787 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-11-07 01:02:58,787 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-11-07 01:02:58,787 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-07 01:02:58,787 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-11-07 01:02:58,788 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:02:58,788 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-11-07 01:02:58,788 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:02:58,788 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:02:58,788 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-07 01:02:58,788 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-11-07 01:02:58,789 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:02:58,789 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:02:58,789 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:02:58,789 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-07 01:02:58,789 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:02:58,789 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-11-07 01:02:58,789 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:02:58,790 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-11-07 01:02:58,790 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2019-11-07 01:02:58,790 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2019-11-07 01:02:58,790 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2019-11-07 01:02:58,790 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2019-11-07 01:02:58,791 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2019-11-07 01:02:58,791 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: true [2019-11-07 01:02:58,791 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2019-11-07 01:02:58,791 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2019-11-07 01:02:58,791 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) the Hoare annotation is: true [2019-11-07 01:02:58,791 INFO L443 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2019-11-07 01:02:58,791 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2019-11-07 01:02:58,791 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2019-11-07 01:02:58,792 INFO L446 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: true [2019-11-07 01:02:58,792 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2019-11-07 01:02:58,792 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2019-11-07 01:02:58,792 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2019-11-07 01:02:58,792 INFO L446 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2019-11-07 01:02:58,792 INFO L443 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2019-11-07 01:02:58,792 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2019-11-07 01:02:58,792 INFO L443 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2019-11-07 01:02:58,793 INFO L443 ceAbstractionStarter]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2019-11-07 01:02:58,793 INFO L446 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true [2019-11-07 01:02:58,793 INFO L443 ceAbstractionStarter]: For program point L905-1(line 905) no Hoare annotation was computed. [2019-11-07 01:02:58,793 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 752 774) the Hoare annotation is: true [2019-11-07 01:02:58,793 INFO L446 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: true [2019-11-07 01:02:58,793 INFO L446 ceAbstractionStarter]: At program point L764-1(line 764) the Hoare annotation is: true [2019-11-07 01:02:58,793 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2019-11-07 01:02:58,794 INFO L443 ceAbstractionStarter]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2019-11-07 01:02:58,794 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2019-11-07 01:02:58,794 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-11-07 01:02:58,794 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-11-07 01:02:58,794 INFO L446 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: true [2019-11-07 01:02:58,794 INFO L446 ceAbstractionStarter]: At program point L758-1(line 758) the Hoare annotation is: true [2019-11-07 01:02:58,794 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2019-11-07 01:02:58,795 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 709 732) no Hoare annotation was computed. [2019-11-07 01:02:58,795 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 709 732) no Hoare annotation was computed. [2019-11-07 01:02:58,795 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 709 732) no Hoare annotation was computed. [2019-11-07 01:02:58,795 INFO L443 ceAbstractionStarter]: For program point L727(line 727) no Hoare annotation was computed. [2019-11-07 01:02:58,795 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-11-07 01:02:58,795 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-11-07 01:02:58,795 INFO L443 ceAbstractionStarter]: For program point L724(line 724) no Hoare annotation was computed. [2019-11-07 01:02:58,795 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-11-07 01:02:58,796 INFO L443 ceAbstractionStarter]: For program point L714(line 714) no Hoare annotation was computed. [2019-11-07 01:02:58,797 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2019-11-07 01:02:58,797 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2019-11-07 01:02:58,797 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2019-11-07 01:02:58,797 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 611) no Hoare annotation was computed. [2019-11-07 01:02:58,797 INFO L443 ceAbstractionStarter]: For program point L603-2(lines 603 611) no Hoare annotation was computed. [2019-11-07 01:02:58,797 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 599) no Hoare annotation was computed. [2019-11-07 01:02:58,797 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 584 619) no Hoare annotation was computed. [2019-11-07 01:02:58,797 INFO L443 ceAbstractionStarter]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2019-11-07 01:02:58,798 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 584 619) no Hoare annotation was computed. [2019-11-07 01:02:58,798 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-11-07 01:02:58,798 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-11-07 01:02:58,798 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 584 619) no Hoare annotation was computed. [2019-11-07 01:02:58,798 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2019-11-07 01:02:58,798 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2019-11-07 01:02:58,798 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:02:58,798 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:02:58,798 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:02:58,799 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-11-07 01:02:58,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:02:58,799 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-11-07 01:02:58,799 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-11-07 01:02:58,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:02:58,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:02:58,799 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: true [2019-11-07 01:02:58,799 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2019-11-07 01:02:58,800 INFO L446 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: true [2019-11-07 01:02:58,800 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2019-11-07 01:02:58,800 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 564 574) no Hoare annotation was computed. [2019-11-07 01:02:58,800 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 564 574) no Hoare annotation was computed. [2019-11-07 01:02:58,800 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-07 01:02:58,800 INFO L443 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2019-11-07 01:02:58,800 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 564 574) no Hoare annotation was computed. [2019-11-07 01:02:58,800 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 556 563) no Hoare annotation was computed. [2019-11-07 01:02:58,801 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 556 563) no Hoare annotation was computed. [2019-11-07 01:02:58,801 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 556 563) no Hoare annotation was computed. [2019-11-07 01:02:58,801 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2019-11-07 01:02:58,801 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2019-11-07 01:02:58,801 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2019-11-07 01:02:58,801 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2019-11-07 01:02:58,801 INFO L446 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2019-11-07 01:02:58,801 INFO L443 ceAbstractionStarter]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2019-11-07 01:02:58,802 INFO L446 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: true [2019-11-07 01:02:58,802 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2019-11-07 01:02:58,802 INFO L446 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: true [2019-11-07 01:02:58,802 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 523 547) the Hoare annotation is: true [2019-11-07 01:02:58,802 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2019-11-07 01:02:58,802 INFO L446 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: true [2019-11-07 01:02:58,802 INFO L443 ceAbstractionStarter]: For program point L529-1(line 529) no Hoare annotation was computed. [2019-11-07 01:02:58,802 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2019-11-07 01:02:58,802 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2019-11-07 01:02:58,803 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2019-11-07 01:02:58,803 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: true [2019-11-07 01:02:58,803 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-11-07 01:02:58,803 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-11-07 01:02:58,803 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2019-11-07 01:02:58,803 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2019-11-07 01:02:58,803 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-11-07 01:02:58,804 INFO L446 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: true [2019-11-07 01:02:58,804 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-11-07 01:02:58,804 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-11-07 01:02:58,804 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-07 01:02:58,804 INFO L446 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: true [2019-11-07 01:02:58,804 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-11-07 01:02:58,804 INFO L446 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: true [2019-11-07 01:02:58,804 INFO L443 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-11-07 01:02:58,805 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2019-11-07 01:02:58,805 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-11-07 01:02:58,805 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:02:58,805 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:02:58,805 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:02:58,805 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-11-07 01:02:58,805 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-11-07 01:02:58,805 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 833 855) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 833 855) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 833 855) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-11-07 01:02:58,806 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-11-07 01:02:58,807 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-11-07 01:02:58,808 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-11-07 01:02:58,808 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-11-07 01:02:58,808 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-11-07 01:02:58,808 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 644 653) no Hoare annotation was computed. [2019-11-07 01:02:58,808 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 644 653) no Hoare annotation was computed. [2019-11-07 01:02:58,808 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 644 653) no Hoare annotation was computed. [2019-11-07 01:02:58,808 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,809 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))) [2019-11-07 01:02:58,809 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,809 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2019-11-07 01:02:58,809 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2019-11-07 01:02:58,809 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 548 555) the Hoare annotation is: true [2019-11-07 01:02:58,809 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2019-11-07 01:02:58,809 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2019-11-07 01:02:58,809 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-11-07 01:02:58,810 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2019-11-07 01:02:58,810 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-11-07 01:02:58,810 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2019-11-07 01:02:58,810 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-11-07 01:02:58,810 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2019-11-07 01:02:58,810 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2019-11-07 01:02:58,810 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2019-11-07 01:02:58,810 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,811 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,811 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,811 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2019-11-07 01:02:58,811 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: true [2019-11-07 01:02:58,811 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2019-11-07 01:02:58,811 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-11-07 01:02:58,811 INFO L439 ceAbstractionStarter]: At program point L502(lines 502 508) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-11-07 01:02:58,812 INFO L439 ceAbstractionStarter]: At program point L497(line 497) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-11-07 01:02:58,812 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 514) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-11-07 01:02:58,812 INFO L443 ceAbstractionStarter]: For program point L495(lines 491 513) no Hoare annotation was computed. [2019-11-07 01:02:58,812 INFO L443 ceAbstractionStarter]: For program point L493(lines 491 513) no Hoare annotation was computed. [2019-11-07 01:02:58,812 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2019-11-07 01:02:58,812 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2019-11-07 01:02:58,813 INFO L446 ceAbstractionStarter]: At program point L704(lines 679 708) the Hoare annotation is: true [2019-11-07 01:02:58,813 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2019-11-07 01:02:58,813 INFO L439 ceAbstractionStarter]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-11-07 01:02:58,813 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-11-07 01:02:58,813 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-11-07 01:02:58,813 INFO L439 ceAbstractionStarter]: At program point L693-1(lines 693 697) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-11-07 01:02:58,813 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-11-07 01:02:58,814 INFO L439 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-11-07 01:02:58,814 INFO L439 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-11-07 01:02:58,814 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-11-07 01:02:58,814 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 824 832) no Hoare annotation was computed. [2019-11-07 01:02:58,814 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 824 832) no Hoare annotation was computed. [2019-11-07 01:02:58,814 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 824 832) no Hoare annotation was computed. [2019-11-07 01:02:58,814 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: true [2019-11-07 01:02:58,815 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2019-11-07 01:02:58,815 INFO L443 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2019-11-07 01:02:58,815 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2019-11-07 01:02:58,815 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2019-11-07 01:02:58,815 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,815 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:02:58,815 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:02:58,816 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:58,816 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2019-11-07 01:02:58,816 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 800 811) the Hoare annotation is: true [2019-11-07 01:02:58,816 INFO L443 ceAbstractionStarter]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2019-11-07 01:02:58,816 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2019-11-07 01:02:58,816 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2019-11-07 01:02:58,816 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-07 01:02:58,816 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2019-11-07 01:02:58,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:02:58 BoogieIcfgContainer [2019-11-07 01:02:58,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:02:58,832 INFO L168 Benchmark]: Toolchain (without parser) took 9514.35 ms. Allocated memory was 143.1 MB in the beginning and 336.6 MB in the end (delta: 193.5 MB). Free memory was 99.0 MB in the beginning and 83.4 MB in the end (delta: 15.6 MB). Peak memory consumption was 209.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,833 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.86 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 98.8 MB in the beginning and 168.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,835 INFO L168 Benchmark]: Boogie Preprocessor took 93.35 ms. Allocated memory is still 200.8 MB. Free memory was 168.2 MB in the beginning and 164.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,836 INFO L168 Benchmark]: RCFGBuilder took 1152.87 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 164.1 MB in the beginning and 195.6 MB in the end (delta: -31.4 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,837 INFO L168 Benchmark]: TraceAbstraction took 7565.88 ms. Allocated memory was 230.2 MB in the beginning and 336.6 MB in the end (delta: 106.4 MB). Free memory was 195.6 MB in the beginning and 83.4 MB in the end (delta: 112.2 MB). Peak memory consumption was 218.6 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:58,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.86 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 98.8 MB in the beginning and 168.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.35 ms. Allocated memory is still 200.8 MB. Free memory was 168.2 MB in the beginning and 164.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1152.87 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 164.1 MB in the beginning and 195.6 MB in the end (delta: -31.4 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7565.88 ms. Allocated memory was 230.2 MB in the beginning and 336.6 MB in the end (delta: 106.4 MB). Free memory was 195.6 MB in the beginning and 83.4 MB in the end (delta: 112.2 MB). Peak memory consumption was 218.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (1 == waterLevel && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Result: SAFE, OverallTime: 7.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1385 SDtfs, 1028 SDslu, 2565 SDs, 0 SdLazy, 1483 SolverSat, 401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 657 SyntacticMatches, 6 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=711occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 1106 PreInvPairs, 1154 NumberOfFragments, 207 HoareAnnotationTreeSize, 1106 FomulaSimplifications, 451 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1259 NumberOfCodeBlocks, 1259 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1558 ConstructedInterpolants, 0 QuantifiedInterpolants, 285584 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1841 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 399/438 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 151, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8872180451127819, 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...