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_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:29,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:29,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:29,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:29,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:29,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:29,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:29,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:29,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:29,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:29,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:29,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:29,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:29,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:29,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:29,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:29,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:29,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:29,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:29,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:29,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:29,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:29,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:29,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:29,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:29,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:29,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:29,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:29,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:29,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:29,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:29,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:29,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:29,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:29,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:29,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:29,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:29,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:29,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:29,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:29,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:29,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:29,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:29,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:29,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:29,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:29,932 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:29,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:29,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:29,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:29,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:29,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:29,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:29,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:29,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:29,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:29,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:29,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:29,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:29,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:29,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:29,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:29,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:29,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:29,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:29,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:29,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:29,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:29,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:29,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:29,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:30,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:30,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:30,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:30,239 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:30,239 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:30,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-10-15 01:20:30,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2b09a13/b9a3e87aba7a4497b35526b2e367ac15/FLAG8adcec983 [2019-10-15 01:20:30,909 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:30,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-10-15 01:20:30,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2b09a13/b9a3e87aba7a4497b35526b2e367ac15/FLAG8adcec983 [2019-10-15 01:20:31,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2b09a13/b9a3e87aba7a4497b35526b2e367ac15 [2019-10-15 01:20:31,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:31,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:31,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:31,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:31,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:31,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b61f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31, skipping insertion in model container [2019-10-15 01:20:31,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,198 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:31,260 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:31,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:31,720 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:31,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:31,878 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:31,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31 WrapperNode [2019-10-15 01:20:31,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:31,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:31,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:31,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:31,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (1/1) ... [2019-10-15 01:20:31,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:31,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:31,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:31,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:31,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:32,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:33,302 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:33,303 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:33,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:33 BoogieIcfgContainer [2019-10-15 01:20:33,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:33,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:33,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:33,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:33,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:31" (1/3) ... [2019-10-15 01:20:33,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24162b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:33, skipping insertion in model container [2019-10-15 01:20:33,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:31" (2/3) ... [2019-10-15 01:20:33,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24162b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:33, skipping insertion in model container [2019-10-15 01:20:33,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:33" (3/3) ... [2019-10-15 01:20:33,316 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2019-10-15 01:20:33,327 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:33,337 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:33,351 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:33,393 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:33,393 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:33,393 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:33,394 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:33,394 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:33,394 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:33,394 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:33,394 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-15 01:20:33,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:33,438 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:33,439 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:33,443 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:33,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:33,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1038310593, now seen corresponding path program 1 times [2019-10-15 01:20:33,461 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:33,462 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91281427] [2019-10-15 01:20:33,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:33,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:33,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:33,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91281427] [2019-10-15 01:20:33,846 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:33,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:33,847 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732315606] [2019-10-15 01:20:33,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:33,854 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:33,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:33,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:33,874 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-15 01:20:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:33,937 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2019-10-15 01:20:33,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:33,940 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 01:20:33,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:33,954 INFO L225 Difference]: With dead ends: 292 [2019-10-15 01:20:33,954 INFO L226 Difference]: Without dead ends: 146 [2019-10-15 01:20:33,962 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:33,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-15 01:20:34,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-15 01:20:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-15 01:20:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2019-10-15 01:20:34,031 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2019-10-15 01:20:34,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:34,032 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2019-10-15 01:20:34,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2019-10-15 01:20:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 01:20:34,037 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:34,037 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:34,037 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:34,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2043760100, now seen corresponding path program 1 times [2019-10-15 01:20:34,038 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:34,038 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083467287] [2019-10-15 01:20:34,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:34,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:34,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:34,188 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083467287] [2019-10-15 01:20:34,188 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:34,188 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:34,188 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928609683] [2019-10-15 01:20:34,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:34,191 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:34,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:34,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:34,191 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2019-10-15 01:20:34,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:34,216 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2019-10-15 01:20:34,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:34,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 01:20:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:34,219 INFO L225 Difference]: With dead ends: 241 [2019-10-15 01:20:34,220 INFO L226 Difference]: Without dead ends: 137 [2019-10-15 01:20:34,221 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:34,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-15 01:20:34,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-15 01:20:34,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-15 01:20:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-10-15 01:20:34,237 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2019-10-15 01:20:34,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:34,237 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-10-15 01:20:34,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-10-15 01:20:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:34,240 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:34,241 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:34,241 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:34,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:34,241 INFO L82 PathProgramCache]: Analyzing trace with hash -69539003, now seen corresponding path program 1 times [2019-10-15 01:20:34,242 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:34,242 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217192575] [2019-10-15 01:20:34,242 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:34,242 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:34,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:34,423 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217192575] [2019-10-15 01:20:34,423 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:34,423 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:34,424 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508090162] [2019-10-15 01:20:34,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:34,427 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:34,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:34,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:34,427 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2019-10-15 01:20:34,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:34,825 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2019-10-15 01:20:34,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:34,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:20:34,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:34,828 INFO L225 Difference]: With dead ends: 250 [2019-10-15 01:20:34,828 INFO L226 Difference]: Without dead ends: 137 [2019-10-15 01:20:34,829 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:34,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-15 01:20:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-15 01:20:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-15 01:20:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2019-10-15 01:20:34,844 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2019-10-15 01:20:34,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:34,845 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2019-10-15 01:20:34,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2019-10-15 01:20:34,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:20:34,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:34,848 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:34,848 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:34,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:34,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1758854223, now seen corresponding path program 1 times [2019-10-15 01:20:34,849 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:34,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210298643] [2019-10-15 01:20:34,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:34,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:34,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:34,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210298643] [2019-10-15 01:20:34,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:34,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:34,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253390277] [2019-10-15 01:20:34,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:34,983 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:34,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:34,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:34,984 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 5 states. [2019-10-15 01:20:35,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:35,514 INFO L93 Difference]: Finished difference Result 358 states and 429 transitions. [2019-10-15 01:20:35,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:35,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-15 01:20:35,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:35,520 INFO L225 Difference]: With dead ends: 358 [2019-10-15 01:20:35,520 INFO L226 Difference]: Without dead ends: 245 [2019-10-15 01:20:35,525 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:35,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-10-15 01:20:35,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2019-10-15 01:20:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-10-15 01:20:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2019-10-15 01:20:35,573 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2019-10-15 01:20:35,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:35,574 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2019-10-15 01:20:35,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2019-10-15 01:20:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:20:35,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:35,581 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:35,581 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:35,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:35,581 INFO L82 PathProgramCache]: Analyzing trace with hash 19039556, now seen corresponding path program 1 times [2019-10-15 01:20:35,582 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:35,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761315306] [2019-10-15 01:20:35,584 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:35,584 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:35,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:35,753 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761315306] [2019-10-15 01:20:35,753 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:35,753 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:35,754 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851880903] [2019-10-15 01:20:35,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:35,757 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:35,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:35,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:35,758 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 6 states. [2019-10-15 01:20:35,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:35,982 INFO L93 Difference]: Finished difference Result 556 states and 667 transitions. [2019-10-15 01:20:35,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:35,984 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-15 01:20:35,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:35,991 INFO L225 Difference]: With dead ends: 556 [2019-10-15 01:20:35,992 INFO L226 Difference]: Without dead ends: 353 [2019-10-15 01:20:35,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:36,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-15 01:20:36,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2019-10-15 01:20:36,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-15 01:20:36,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 405 transitions. [2019-10-15 01:20:36,057 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 405 transitions. Word has length 84 [2019-10-15 01:20:36,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:36,058 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 405 transitions. [2019-10-15 01:20:36,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 405 transitions. [2019-10-15 01:20:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:36,061 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:36,062 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:36,062 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:36,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:36,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1361015554, now seen corresponding path program 1 times [2019-10-15 01:20:36,063 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:36,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952572948] [2019-10-15 01:20:36,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:36,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:36,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:36,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952572948] [2019-10-15 01:20:36,229 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:36,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:36,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293970717] [2019-10-15 01:20:36,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:36,230 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:36,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:36,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:36,230 INFO L87 Difference]: Start difference. First operand 349 states and 405 transitions. Second operand 6 states. [2019-10-15 01:20:36,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:36,505 INFO L93 Difference]: Finished difference Result 750 states and 904 transitions. [2019-10-15 01:20:36,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:36,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-15 01:20:36,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:36,515 INFO L225 Difference]: With dead ends: 750 [2019-10-15 01:20:36,515 INFO L226 Difference]: Without dead ends: 547 [2019-10-15 01:20:36,517 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:36,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2019-10-15 01:20:36,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2019-10-15 01:20:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-10-15 01:20:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 627 transitions. [2019-10-15 01:20:36,609 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 627 transitions. Word has length 88 [2019-10-15 01:20:36,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:36,610 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 627 transitions. [2019-10-15 01:20:36,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 627 transitions. [2019-10-15 01:20:36,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:36,613 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:36,613 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:36,614 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:36,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:36,614 INFO L82 PathProgramCache]: Analyzing trace with hash 2011268159, now seen corresponding path program 1 times [2019-10-15 01:20:36,614 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:36,614 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577205305] [2019-10-15 01:20:36,615 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:36,615 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:36,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:36,699 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577205305] [2019-10-15 01:20:36,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:36,700 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:36,700 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52642830] [2019-10-15 01:20:36,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:36,702 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:36,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:36,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:36,702 INFO L87 Difference]: Start difference. First operand 529 states and 627 transitions. Second operand 5 states. [2019-10-15 01:20:36,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:36,747 INFO L93 Difference]: Finished difference Result 922 states and 1114 transitions. [2019-10-15 01:20:36,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:20:36,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-10-15 01:20:36,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:36,755 INFO L225 Difference]: With dead ends: 922 [2019-10-15 01:20:36,755 INFO L226 Difference]: Without dead ends: 539 [2019-10-15 01:20:36,756 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:36,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-10-15 01:20:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2019-10-15 01:20:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-10-15 01:20:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2019-10-15 01:20:36,787 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 88 [2019-10-15 01:20:36,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:36,788 INFO L462 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2019-10-15 01:20:36,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2019-10-15 01:20:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:36,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:36,790 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:36,790 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:36,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:36,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1167262657, now seen corresponding path program 1 times [2019-10-15 01:20:36,791 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:36,791 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747551697] [2019-10-15 01:20:36,792 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:36,792 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:36,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:36,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747551697] [2019-10-15 01:20:36,879 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:36,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:20:36,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607742138] [2019-10-15 01:20:36,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:20:36,880 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:36,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:20:36,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:36,880 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand 9 states. [2019-10-15 01:20:36,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:36,948 INFO L93 Difference]: Finished difference Result 1059 states and 1278 transitions. [2019-10-15 01:20:36,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:36,948 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-10-15 01:20:36,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:36,952 INFO L225 Difference]: With dead ends: 1059 [2019-10-15 01:20:36,952 INFO L226 Difference]: Without dead ends: 550 [2019-10-15 01:20:36,954 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:36,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-10-15 01:20:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 540. [2019-10-15 01:20:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-10-15 01:20:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2019-10-15 01:20:36,985 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 88 [2019-10-15 01:20:36,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:36,985 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2019-10-15 01:20:36,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:20:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2019-10-15 01:20:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-15 01:20:36,988 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:36,988 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:36,988 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:36,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:36,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1269276973, now seen corresponding path program 1 times [2019-10-15 01:20:36,989 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:36,989 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034810636] [2019-10-15 01:20:36,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:36,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:36,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:37,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034810636] [2019-10-15 01:20:37,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027901895] [2019-10-15 01:20:37,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:37,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-15 01:20:37,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:37,423 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:37,908 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:37,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-15 01:20:37,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773757914] [2019-10-15 01:20:37,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:37,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:37,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:37,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:37,910 INFO L87 Difference]: Start difference. First operand 540 states and 637 transitions. Second operand 8 states. [2019-10-15 01:20:38,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:38,461 INFO L93 Difference]: Finished difference Result 1559 states and 1879 transitions. [2019-10-15 01:20:38,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:38,462 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2019-10-15 01:20:38,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:38,468 INFO L225 Difference]: With dead ends: 1559 [2019-10-15 01:20:38,468 INFO L226 Difference]: Without dead ends: 1043 [2019-10-15 01:20:38,471 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-10-15 01:20:38,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1040. [2019-10-15 01:20:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2019-10-15 01:20:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1230 transitions. [2019-10-15 01:20:38,532 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1230 transitions. Word has length 100 [2019-10-15 01:20:38,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:38,533 INFO L462 AbstractCegarLoop]: Abstraction has 1040 states and 1230 transitions. [2019-10-15 01:20:38,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:38,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1230 transitions. [2019-10-15 01:20:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:20:38,536 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:38,537 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:38,742 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:38,743 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:38,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:38,743 INFO L82 PathProgramCache]: Analyzing trace with hash -2017960913, now seen corresponding path program 1 times [2019-10-15 01:20:38,743 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:38,744 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224553527] [2019-10-15 01:20:38,744 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:38,744 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:38,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:38,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224553527] [2019-10-15 01:20:38,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:38,886 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:38,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349021201] [2019-10-15 01:20:38,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:38,887 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:38,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:38,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:38,888 INFO L87 Difference]: Start difference. First operand 1040 states and 1230 transitions. Second operand 10 states. [2019-10-15 01:20:39,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:39,161 INFO L93 Difference]: Finished difference Result 2006 states and 2417 transitions. [2019-10-15 01:20:39,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 01:20:39,162 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-10-15 01:20:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:39,168 INFO L225 Difference]: With dead ends: 2006 [2019-10-15 01:20:39,168 INFO L226 Difference]: Without dead ends: 990 [2019-10-15 01:20:39,171 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:39,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2019-10-15 01:20:39,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 974. [2019-10-15 01:20:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 974 states. [2019-10-15 01:20:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1138 transitions. [2019-10-15 01:20:39,223 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1138 transitions. Word has length 104 [2019-10-15 01:20:39,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:39,223 INFO L462 AbstractCegarLoop]: Abstraction has 974 states and 1138 transitions. [2019-10-15 01:20:39,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1138 transitions. [2019-10-15 01:20:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:20:39,226 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:39,226 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:39,227 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:39,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:39,227 INFO L82 PathProgramCache]: Analyzing trace with hash 877116949, now seen corresponding path program 1 times [2019-10-15 01:20:39,227 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:39,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595614672] [2019-10-15 01:20:39,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:39,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:39,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:39,334 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595614672] [2019-10-15 01:20:39,334 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:39,334 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:39,334 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612459407] [2019-10-15 01:20:39,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:39,335 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:39,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:39,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:39,336 INFO L87 Difference]: Start difference. First operand 974 states and 1138 transitions. Second operand 10 states. [2019-10-15 01:20:39,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:39,651 INFO L93 Difference]: Finished difference Result 1930 states and 2258 transitions. [2019-10-15 01:20:39,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 01:20:39,651 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-10-15 01:20:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:39,659 INFO L225 Difference]: With dead ends: 1930 [2019-10-15 01:20:39,660 INFO L226 Difference]: Without dead ends: 980 [2019-10-15 01:20:39,663 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:39,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2019-10-15 01:20:39,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 952. [2019-10-15 01:20:39,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2019-10-15 01:20:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1079 transitions. [2019-10-15 01:20:39,737 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1079 transitions. Word has length 104 [2019-10-15 01:20:39,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:39,738 INFO L462 AbstractCegarLoop]: Abstraction has 952 states and 1079 transitions. [2019-10-15 01:20:39,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1079 transitions. [2019-10-15 01:20:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 01:20:39,744 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:39,745 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:39,745 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:39,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:39,746 INFO L82 PathProgramCache]: Analyzing trace with hash -626275449, now seen corresponding path program 1 times [2019-10-15 01:20:39,746 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:39,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552903853] [2019-10-15 01:20:39,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:39,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:39,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 01:20:39,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552903853] [2019-10-15 01:20:39,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827084150] [2019-10-15 01:20:39,864 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 [2019-10-15 01:20:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:40,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-15 01:20:40,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:40,237 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:40,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:20:40,635 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:40,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-10-15 01:20:40,635 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596090997] [2019-10-15 01:20:40,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:40,636 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:40,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:40,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-10-15 01:20:40,637 INFO L87 Difference]: Start difference. First operand 952 states and 1079 transitions. Second operand 8 states. [2019-10-15 01:20:41,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:41,986 INFO L93 Difference]: Finished difference Result 2507 states and 3068 transitions. [2019-10-15 01:20:41,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-15 01:20:41,987 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2019-10-15 01:20:41,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:41,999 INFO L225 Difference]: With dead ends: 2507 [2019-10-15 01:20:42,000 INFO L226 Difference]: Without dead ends: 1819 [2019-10-15 01:20:42,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-10-15 01:20:42,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2019-10-15 01:20:42,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1658. [2019-10-15 01:20:42,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2019-10-15 01:20:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 1920 transitions. [2019-10-15 01:20:42,104 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 1920 transitions. Word has length 153 [2019-10-15 01:20:42,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:42,105 INFO L462 AbstractCegarLoop]: Abstraction has 1658 states and 1920 transitions. [2019-10-15 01:20:42,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:42,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1920 transitions. [2019-10-15 01:20:42,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 01:20:42,108 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:42,109 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:42,314 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:42,314 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:42,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:42,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1835535361, now seen corresponding path program 1 times [2019-10-15 01:20:42,315 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:42,315 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017816639] [2019-10-15 01:20:42,315 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:42,315 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:42,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 01:20:42,395 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017816639] [2019-10-15 01:20:42,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808760903] [2019-10-15 01:20:42,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:42,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-15 01:20:42,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 01:20:42,886 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:43,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:43,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 01:20:43,316 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:43,316 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-10-15 01:20:43,316 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402476523] [2019-10-15 01:20:43,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:20:43,320 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:43,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:20:43,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:43,321 INFO L87 Difference]: Start difference. First operand 1658 states and 1920 transitions. Second operand 9 states. [2019-10-15 01:20:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:43,775 INFO L93 Difference]: Finished difference Result 3151 states and 3735 transitions. [2019-10-15 01:20:43,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:43,778 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2019-10-15 01:20:43,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:43,781 INFO L225 Difference]: With dead ends: 3151 [2019-10-15 01:20:43,781 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:43,791 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-10-15 01:20:43,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:43,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:43,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-10-15 01:20:43,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:43,793 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:43,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:20:43,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:43,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:44,003 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:44,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:45,284 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-10-15 01:20:45,968 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2019-10-15 01:20:46,277 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-10-15 01:20:46,450 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-10-15 01:20:46,743 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-10-15 01:20:47,417 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 46 [2019-10-15 01:20:47,723 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2019-10-15 01:20:48,149 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2019-10-15 01:20:48,304 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2019-10-15 01:20:48,590 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2019-10-15 01:20:48,757 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-10-15 01:20:49,325 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2019-10-15 01:20:49,558 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-10-15 01:20:49,751 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-10-15 01:20:49,924 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-10-15 01:20:50,148 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-10-15 01:20:50,353 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2019-10-15 01:20:51,248 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 53 [2019-10-15 01:20:51,437 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-10-15 01:20:51,948 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2019-10-15 01:20:52,261 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-10-15 01:20:52,386 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-10-15 01:20:52,580 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2019-10-15 01:20:53,134 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2019-10-15 01:20:53,303 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 20 [2019-10-15 01:20:53,306 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:20:53,306 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:20:53,306 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-15 01:20:53,306 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 01:20:53,306 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:53,307 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 01:20:53,307 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:53,307 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:53,307 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:20:53,307 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 01:20:53,307 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:53,307 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:20:53,308 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:20:53,308 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-15 01:20:53,308 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:53,308 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 01:20:53,308 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:53,308 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 01:20:53,308 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2019-10-15 01:20:53,308 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2019-10-15 01:20:53,309 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2019-10-15 01:20:53,309 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2019-10-15 01:20:53,309 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2019-10-15 01:20:53,309 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,309 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2019-10-15 01:20:53,309 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2019-10-15 01:20:53,309 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,309 INFO L439 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,309 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2019-10-15 01:20:53,309 INFO L443 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2019-10-15 01:20:53,310 INFO L443 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-10-15 01:20:53,310 INFO L439 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,310 INFO L439 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,310 INFO L439 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,310 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-15 01:20:53,310 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-15 01:20:53,310 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 916 939) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 916 939) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 916 939) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-15 01:20:53,311 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-15 01:20:53,312 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-15 01:20:53,312 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-15 01:20:53,312 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-15 01:20:53,312 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-15 01:20:53,312 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2019-10-15 01:20:53,312 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2019-10-15 01:20:53,312 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2019-10-15 01:20:53,312 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2019-10-15 01:20:53,312 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-10-15 01:20:53,313 INFO L446 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2019-10-15 01:20:53,313 INFO L443 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2019-10-15 01:20:53,313 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2019-10-15 01:20:53,313 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-15 01:20:53,313 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2019-10-15 01:20:53,313 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-10-15 01:20:53,313 INFO L443 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 744 779) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 744 779) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L443 ceAbstractionStarter]: For program point L774-1(line 774) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 744 779) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2019-10-15 01:20:53,314 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:53,315 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:53,316 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,316 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2019-10-15 01:20:53,316 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2019-10-15 01:20:53,316 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2019-10-15 01:20:53,316 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2019-10-15 01:20:53,316 INFO L446 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2019-10-15 01:20:53,316 INFO L443 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2019-10-15 01:20:53,317 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2019-10-15 01:20:53,317 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2019-10-15 01:20:53,317 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2019-10-15 01:20:53,317 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2019-10-15 01:20:53,317 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-10-15 01:20:53,317 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2019-10-15 01:20:53,317 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2019-10-15 01:20:53,318 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2019-10-15 01:20:53,318 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2019-10-15 01:20:53,318 INFO L439 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-10-15 01:20:53,318 INFO L443 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2019-10-15 01:20:53,318 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2019-10-15 01:20:53,318 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2019-10-15 01:20:53,319 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 .cse8 .cse3 .cse5 .cse7))) [2019-10-15 01:20:53,319 INFO L439 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse7 .cse2 .cse3 .cse6))) [2019-10-15 01:20:53,319 INFO L443 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2019-10-15 01:20:53,319 INFO L439 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-10-15 01:20:53,319 INFO L439 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-10-15 01:20:53,319 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2019-10-15 01:20:53,320 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2019-10-15 01:20:53,320 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-10-15 01:20:53,320 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,320 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2019-10-15 01:20:53,320 INFO L439 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:53,320 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-10-15 01:20:53,320 INFO L439 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse5 .cse3) .cse1) (and .cse1 (and .cse4 .cse0 .cse5)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:53,321 INFO L443 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2019-10-15 01:20:53,321 INFO L443 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2019-10-15 01:20:53,321 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse5 .cse3) .cse1) (and .cse1 (and .cse4 .cse0 .cse5)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:53,321 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-10-15 01:20:53,321 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2019-10-15 01:20:53,321 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse3) (and .cse5 .cse0 .cse1 .cse4) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:53,322 INFO L439 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse3) (and .cse5 .cse0 .cse1 .cse4) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:53,322 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2019-10-15 01:20:53,322 INFO L443 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2019-10-15 01:20:53,322 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2019-10-15 01:20:53,322 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:53,322 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:53,322 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:53,322 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-15 01:20:53,322 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:20:53,323 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:20:53,323 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-10-15 01:20:53,323 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2019-10-15 01:20:53,323 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2019-10-15 01:20:53,323 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2019-10-15 01:20:53,323 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2019-10-15 01:20:53,323 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2019-10-15 01:20:53,323 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 461 483) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 461 483) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 461 483) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point L469-2(lines 469 477) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:20:53,324 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 01:20:53,325 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 01:20:53,326 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 521 530) no Hoare annotation was computed. [2019-10-15 01:20:53,326 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 521 530) no Hoare annotation was computed. [2019-10-15 01:20:53,326 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 521 530) no Hoare annotation was computed. [2019-10-15 01:20:53,326 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:53,326 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:20:53,326 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:53,326 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-10-15 01:20:53,327 INFO L443 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2019-10-15 01:20:53,327 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2019-10-15 01:20:53,327 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-10-15 01:20:53,327 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) .cse1) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:53,327 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2019-10-15 01:20:53,327 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-10-15 01:20:53,327 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2019-10-15 01:20:53,328 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2019-10-15 01:20:53,328 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2019-10-15 01:20:53,328 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2019-10-15 01:20:53,328 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2019-10-15 01:20:53,328 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2019-10-15 01:20:53,328 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2019-10-15 01:20:53,328 INFO L446 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2019-10-15 01:20:53,328 INFO L443 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2019-10-15 01:20:53,329 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-15 01:20:53,329 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:53,329 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:53,329 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:53,329 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (< ~waterLevel~0 3))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (= 1 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 (or .cse6 .cse4 .cse7)) (or .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse3 (or .cse0 .cse6 .cse4) .cse2))) [2019-10-15 01:20:53,329 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2019-10-15 01:20:53,329 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2019-10-15 01:20:53,329 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2019-10-15 01:20:53,330 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2019-10-15 01:20:53,330 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2019-10-15 01:20:53,330 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1))) (.cse13 (< ~waterLevel~0 3)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (< ~waterLevel~0 2)) (.cse8 (and .cse13 (= ~pumpRunning~0 0) .cse14)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse5 (or .cse6 .cse12 .cse9)) (.cse0 (and .cse13 (= ~pumpRunning~0 1) .cse14)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (<= ~waterLevel~0 1)) (.cse2 (or .cse12 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 .cse9) (or .cse4 (or (not (< |old(~waterLevel~0)| 2)) .cse7 .cse9 .cse10)) (or .cse7 .cse1 .cse9 .cse10 .cse8) (or .cse1 .cse5 .cse0) (or .cse6 .cse3 .cse7 .cse11 .cse9) (or .cse3 .cse11 .cse2)))) [2019-10-15 01:20:53,330 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (= ~pumpRunning~0 1)) (.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse6 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (or .cse14 .cse7 .cse8)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse10 (and .cse12 .cse13)) (.cse3 (or .cse4 .cse14 .cse7)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or (< ~waterLevel~0 2) (or (not (< |old(~waterLevel~0)| 2)) .cse5 .cse7 .cse8)) (or .cse5 .cse1 .cse7 .cse8 .cse6) (or .cse9 .cse10 .cse11) (or .cse1 (and .cse12 .cse13 .cse0) .cse2 .cse11) (or .cse1 .cse10 .cse3) (or .cse4 .cse9 .cse5 .cse12 .cse7)))) [2019-10-15 01:20:53,330 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2019-10-15 01:20:53,331 INFO L439 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse22 (<= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 0)) (.cse18 (< ~waterLevel~0 2)) (.cse19 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 3)) (.cse20 (= ~pumpRunning~0 1)) (.cse21 (not (= 1 |old(~pumpRunning~0)|))) (.cse13 (not (= ~systemActive~0 1))) (.cse16 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse3 (or .cse21 .cse13 .cse16)) (.cse0 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (and .cse9 .cse10 .cse20)) (.cse14 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse18 .cse19)) (.cse5 (and .cse22 .cse11)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse4 (and .cse22 .cse20)) (.cse6 (or .cse7 .cse21 .cse13)) (.cse15 (and .cse20 .cse18 .cse19)) (.cse17 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse6) (or .cse7 .cse8 (and .cse9 .cse10 .cse11) .cse12 .cse1 .cse2 .cse13) (or .cse12 .cse8 .cse14 .cse15 .cse1 .cse13 .cse16) (or .cse17 .cse8 .cse14 .cse15 .cse13 .cse16) (or .cse5 .cse1 .cse4 .cse6) (or .cse15 .cse7 .cse17 .cse8 (and .cse11 .cse18 .cse19) .cse13)))) [2019-10-15 01:20:53,331 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2019-10-15 01:20:53,331 INFO L439 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse2 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (or .cse10 .cse5 .cse6)) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (or .cse3 .cse10 .cse5)) (.cse9 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse7 .cse2) (or .cse8 .cse1 .cse9) (or .cse8 .cse7 .cse9)))) [2019-10-15 01:20:53,331 INFO L443 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2019-10-15 01:20:53,331 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-10-15 01:20:53,331 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2019-10-15 01:20:53,331 INFO L446 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2019-10-15 01:20:53,332 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2019-10-15 01:20:53,332 INFO L446 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2019-10-15 01:20:53,332 INFO L443 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2019-10-15 01:20:53,332 INFO L446 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2019-10-15 01:20:53,332 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-15 01:20:53,332 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2019-10-15 01:20:53,332 INFO L446 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2019-10-15 01:20:53,332 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2019-10-15 01:20:53,332 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 .cse2 .cse3 .cse6) (or .cse5 .cse4 .cse3 .cse6))) [2019-10-15 01:20:53,333 INFO L443 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2019-10-15 01:20:53,333 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2019-10-15 01:20:53,333 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2019-10-15 01:20:53,333 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2019-10-15 01:20:53,333 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2))) [2019-10-15 01:20:53,333 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2019-10-15 01:20:53,333 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-10-15 01:20:53,333 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2019-10-15 01:20:53,334 INFO L446 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2019-10-15 01:20:53,334 INFO L443 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2019-10-15 01:20:53,334 INFO L439 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (< ~waterLevel~0 3))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse0 .cse2) (or (not (<= ~waterLevel~0 1)) .cse5 .cse2 .cse3))) [2019-10-15 01:20:53,334 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse4 (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse3) (or .cse0 .cse7 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse1 .cse4 .cse2))) [2019-10-15 01:20:53,334 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2019-10-15 01:20:53,334 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2019-10-15 01:20:53,334 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2019-10-15 01:20:53,335 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2019-10-15 01:20:53,335 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:53,335 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-15 01:20:53,335 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:53,335 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:53,335 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 .cse8 .cse3 .cse5 .cse7))) [2019-10-15 01:20:53,335 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2019-10-15 01:20:53,335 INFO L439 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-10-15 01:20:53,336 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2019-10-15 01:20:53,336 INFO L439 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) (.cse2 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse2 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4))) [2019-10-15 01:20:53,336 INFO L439 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~4) .cse9)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (< ~waterLevel~0 3))) (.cse1 (and .cse9 (< ~waterLevel~0 2))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse8 .cse6 .cse7 .cse4) (or .cse2 .cse8 .cse0 .cse3 .cse1 .cse4)))) [2019-10-15 01:20:53,336 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2019-10-15 01:20:53,336 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse7 .cse2 .cse3 .cse6))) [2019-10-15 01:20:53,336 INFO L443 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2019-10-15 01:20:53,336 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2019-10-15 01:20:53,337 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2019-10-15 01:20:53,337 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2019-10-15 01:20:53,337 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (< ~waterLevel~0 3) .cse11)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse9 (< ~waterLevel~0 2)) (.cse10 (not (< |old(~waterLevel~0)| 2))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse9 (or .cse10 .cse2 .cse3 .cse4)) (or .cse5 .cse1 .cse2 .cse3 .cse0) (or .cse5 .cse7 .cse0 .cse1 .cse3) (or (and .cse9 .cse11) (or .cse10 .cse7 .cse3 .cse4)) (or .cse5 .cse6 .cse2 .cse3 .cse8)))) [2019-10-15 01:20:53,337 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-10-15 01:20:53,337 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2019-10-15 01:20:53,337 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2019-10-15 01:20:53,337 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2019-10-15 01:20:53,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:53 BoogieIcfgContainer [2019-10-15 01:20:53,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:53,368 INFO L168 Benchmark]: Toolchain (without parser) took 22181.22 ms. Allocated memory was 146.8 MB in the beginning and 538.4 MB in the end (delta: 391.6 MB). Free memory was 102.3 MB in the beginning and 344.8 MB in the end (delta: -242.5 MB). Peak memory consumption was 404.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:53,369 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:53,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.39 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 169.1 MB in the end (delta: -67.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:53,376 INFO L168 Benchmark]: Boogie Preprocessor took 104.93 ms. Allocated memory is still 203.9 MB. Free memory was 169.1 MB in the beginning and 164.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:53,380 INFO L168 Benchmark]: RCFGBuilder took 1320.45 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 164.7 MB in the beginning and 185.9 MB in the end (delta: -21.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:53,381 INFO L168 Benchmark]: TraceAbstraction took 20058.24 ms. Allocated memory was 233.3 MB in the beginning and 538.4 MB in the end (delta: 305.1 MB). Free memory was 185.9 MB in the beginning and 344.8 MB in the end (delta: -158.9 MB). Peak memory consumption was 401.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:53,387 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.39 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 169.1 MB in the end (delta: -67.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.93 ms. Allocated memory is still 203.9 MB. Free memory was 169.1 MB in the beginning and 164.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1320.45 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 164.7 MB in the beginning and 185.9 MB in the end (delta: -21.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20058.24 ms. Allocated memory was 233.3 MB in the beginning and 538.4 MB in the end (delta: 305.1 MB). Free memory was 185.9 MB in the beginning and 344.8 MB in the end (delta: -158.9 MB). Peak memory consumption was 401.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 0) && 1 == methaneLevelCritical) || !(systemActive == 1)) || (((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 19.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, HoareTripleCheckerStatistics: 2417 SDtfs, 2024 SDslu, 7835 SDs, 0 SdLazy, 2311 SolverSat, 710 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 811 SyntacticMatches, 8 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1658occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 264 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3325 PreInvPairs, 3544 NumberOfFragments, 2916 HoareAnnotationTreeSize, 3325 FomulaSimplifications, 6068 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 65 FomulaSimplificationsInter, 31819 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1592 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1975 ConstructedInterpolants, 0 QuantifiedInterpolants, 398807 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2520 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 181/195 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...