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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:57,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:57,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:57,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:57,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:57,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:57,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:57,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:57,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:57,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:57,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:57,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:57,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:57,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:57,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:57,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:57,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:57,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:57,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:57,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:57,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:57,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:57,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:57,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:57,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:57,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:57,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:57,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:57,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:57,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:57,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:57,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:57,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:57,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:57,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:57,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:57,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:57,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:57,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:57,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:57,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:57,906 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 [2019-10-07 15:16:57,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:57,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:57,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:57,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:57,923 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:57,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:57,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:57,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:57,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:57,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:57,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:57,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:57,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:57,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:57,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:57,926 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:57,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:57,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:57,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:57,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:57,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:57,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:57,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:57,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:57,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:57,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:57,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:57,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:57,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:16:58,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:58,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:58,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:58,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:58,230 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:58,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-10-07 15:16:58,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c16a9719/1ea945470e0d4236aebd20c96331a579/FLAG9a91cb8d0 [2019-10-07 15:16:58,802 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:58,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-10-07 15:16:58,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c16a9719/1ea945470e0d4236aebd20c96331a579/FLAG9a91cb8d0 [2019-10-07 15:16:59,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c16a9719/1ea945470e0d4236aebd20c96331a579 [2019-10-07 15:16:59,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:59,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:59,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:59,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:59,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:59,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6b50f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59, skipping insertion in model container [2019-10-07 15:16:59,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:59,194 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:16:59,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:59,661 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:16:59,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:59,776 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:16:59,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59 WrapperNode [2019-10-07 15:16:59,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:59,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:16:59,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:16:59,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:16:59,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (1/1) ... [2019-10-07 15:16:59,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:16:59,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:16:59,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:16:59,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:16:59,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (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 [2019-10-07 15:16:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:16:59,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:16:59,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:59,934 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:16:59,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:16:59,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:16:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:16:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:16:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:16:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:16:59,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:16:59,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:16:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:16:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:16:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:59,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:16:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:16:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:16:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:16:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:16:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:16:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:16:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:16:59,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:59,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:59,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:59,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:16:59,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:16:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:16:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:16:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:16:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:16:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:16:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:16:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:16:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:16:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:16:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:16:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:16:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:16:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:16:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:16:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:16:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:16:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:16:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:16:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:16:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:16:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:16:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:16:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:16:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:16:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:16:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:16:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:16:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:16:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:16:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:16:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:16:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:16:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:16:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:16:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:16:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:16:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:16:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:16:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:16:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:16:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:16:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:16:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:16:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:16:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:16:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:16:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:16:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:16:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:16:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:16:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:16:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:01,439 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:01,440 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:01,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:01 BoogieIcfgContainer [2019-10-07 15:17:01,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:01,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:01,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:01,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:01,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:59" (1/3) ... [2019-10-07 15:17:01,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6b6969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:01, skipping insertion in model container [2019-10-07 15:17:01,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:59" (2/3) ... [2019-10-07 15:17:01,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6b6969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:01, skipping insertion in model container [2019-10-07 15:17:01,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:01" (3/3) ... [2019-10-07 15:17:01,449 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2019-10-07 15:17:01,458 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:01,466 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:01,477 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:01,514 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:01,514 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:01,514 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:01,514 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:01,515 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:01,515 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:01,515 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:01,515 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-10-07 15:17:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:01,551 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:01,551 INFO L385 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] [2019-10-07 15:17:01,553 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:01,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1176068184, now seen corresponding path program 1 times [2019-10-07 15:17:01,566 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:01,567 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:01,567 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:01,567 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:01,916 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:01,916 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:01,917 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:01,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:01,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:01,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:01,938 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-10-07 15:17:02,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:02,002 INFO L93 Difference]: Finished difference Result 212 states and 257 transitions. [2019-10-07 15:17:02,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:02,005 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:02,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:02,023 INFO L225 Difference]: With dead ends: 212 [2019-10-07 15:17:02,024 INFO L226 Difference]: Without dead ends: 108 [2019-10-07 15:17:02,034 INFO L606 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 [2019-10-07 15:17:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-07 15:17:02,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-07 15:17:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-07 15:17:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2019-10-07 15:17:02,097 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 46 [2019-10-07 15:17:02,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:02,098 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2019-10-07 15:17:02,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2019-10-07 15:17:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:02,106 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:02,106 INFO L385 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] [2019-10-07 15:17:02,106 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:02,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:02,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1539728144, now seen corresponding path program 1 times [2019-10-07 15:17:02,108 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:02,108 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,108 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,108 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:02,280 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,280 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:02,281 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:02,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:02,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:02,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:02,284 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 3 states. [2019-10-07 15:17:02,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:02,305 INFO L93 Difference]: Finished difference Result 170 states and 196 transitions. [2019-10-07 15:17:02,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:02,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:02,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:02,308 INFO L225 Difference]: With dead ends: 170 [2019-10-07 15:17:02,308 INFO L226 Difference]: Without dead ends: 100 [2019-10-07 15:17:02,310 INFO L606 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 [2019-10-07 15:17:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-07 15:17:02,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-07 15:17:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-07 15:17:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2019-10-07 15:17:02,323 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 47 [2019-10-07 15:17:02,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:02,324 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2019-10-07 15:17:02,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2019-10-07 15:17:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 15:17:02,326 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:02,327 INFO L385 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] [2019-10-07 15:17:02,327 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:02,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:02,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1606209595, now seen corresponding path program 1 times [2019-10-07 15:17:02,328 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:02,328 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,328 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,328 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:02,484 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,489 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:02,490 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:02,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:02,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:02,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:02,491 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 7 states. [2019-10-07 15:17:02,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:02,762 INFO L93 Difference]: Finished difference Result 175 states and 202 transitions. [2019-10-07 15:17:02,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:02,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-10-07 15:17:02,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:02,764 INFO L225 Difference]: With dead ends: 175 [2019-10-07 15:17:02,764 INFO L226 Difference]: Without dead ends: 100 [2019-10-07 15:17:02,766 INFO L606 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 [2019-10-07 15:17:02,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-07 15:17:02,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-07 15:17:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-07 15:17:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions. [2019-10-07 15:17:02,778 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 49 [2019-10-07 15:17:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:02,778 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions. [2019-10-07 15:17:02,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2019-10-07 15:17:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-07 15:17:02,780 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:02,780 INFO L385 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] [2019-10-07 15:17:02,781 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:02,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:02,781 INFO L82 PathProgramCache]: Analyzing trace with hash -597686072, now seen corresponding path program 1 times [2019-10-07 15:17:02,781 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:02,782 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,782 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,782 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:02,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:02,868 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:02,868 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:02,868 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:17:02,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:17:02,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:17:02,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:17:02,870 INFO L87 Difference]: Start difference. First operand 100 states and 112 transitions. Second operand 5 states. [2019-10-07 15:17:03,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:03,306 INFO L93 Difference]: Finished difference Result 259 states and 306 transitions. [2019-10-07 15:17:03,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:03,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-10-07 15:17:03,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:03,309 INFO L225 Difference]: With dead ends: 259 [2019-10-07 15:17:03,309 INFO L226 Difference]: Without dead ends: 184 [2019-10-07 15:17:03,314 INFO L606 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 [2019-10-07 15:17:03,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-10-07 15:17:03,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2019-10-07 15:17:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-10-07 15:17:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 188 transitions. [2019-10-07 15:17:03,352 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 188 transitions. Word has length 62 [2019-10-07 15:17:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:03,353 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 188 transitions. [2019-10-07 15:17:03,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:17:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2019-10-07 15:17:03,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-07 15:17:03,354 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:03,354 INFO L385 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] [2019-10-07 15:17:03,355 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:03,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:03,355 INFO L82 PathProgramCache]: Analyzing trace with hash -486643641, now seen corresponding path program 1 times [2019-10-07 15:17:03,355 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:03,355 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:03,356 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:03,356 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:03,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:03,478 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:03,478 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:03,479 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:03,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:03,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:03,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:03,480 INFO L87 Difference]: Start difference. First operand 169 states and 188 transitions. Second operand 6 states. [2019-10-07 15:17:03,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:03,662 INFO L93 Difference]: Finished difference Result 440 states and 505 transitions. [2019-10-07 15:17:03,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:03,662 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2019-10-07 15:17:03,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:03,670 INFO L225 Difference]: With dead ends: 440 [2019-10-07 15:17:03,670 INFO L226 Difference]: Without dead ends: 296 [2019-10-07 15:17:03,673 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:17:03,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-10-07 15:17:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 286. [2019-10-07 15:17:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2019-10-07 15:17:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 316 transitions. [2019-10-07 15:17:03,706 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 316 transitions. Word has length 71 [2019-10-07 15:17:03,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:03,706 INFO L462 AbstractCegarLoop]: Abstraction has 286 states and 316 transitions. [2019-10-07 15:17:03,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 316 transitions. [2019-10-07 15:17:03,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 15:17:03,708 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:03,708 INFO L385 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] [2019-10-07 15:17:03,709 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:03,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:03,709 INFO L82 PathProgramCache]: Analyzing trace with hash 96312289, now seen corresponding path program 1 times [2019-10-07 15:17:03,709 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:03,710 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:03,710 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:03,710 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:03,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:03,845 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:03,845 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:03,845 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:03,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:03,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:03,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:03,847 INFO L87 Difference]: Start difference. First operand 286 states and 316 transitions. Second operand 7 states. [2019-10-07 15:17:04,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:04,340 INFO L93 Difference]: Finished difference Result 452 states and 518 transitions. [2019-10-07 15:17:04,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:04,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2019-10-07 15:17:04,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:04,343 INFO L225 Difference]: With dead ends: 452 [2019-10-07 15:17:04,343 INFO L226 Difference]: Without dead ends: 308 [2019-10-07 15:17:04,345 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:04,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-10-07 15:17:04,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 285. [2019-10-07 15:17:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2019-10-07 15:17:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 313 transitions. [2019-10-07 15:17:04,368 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 313 transitions. Word has length 74 [2019-10-07 15:17:04,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:04,369 INFO L462 AbstractCegarLoop]: Abstraction has 285 states and 313 transitions. [2019-10-07 15:17:04,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 313 transitions. [2019-10-07 15:17:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 15:17:04,395 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:04,395 INFO L385 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] [2019-10-07 15:17:04,396 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:04,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:04,396 INFO L82 PathProgramCache]: Analyzing trace with hash -593851708, now seen corresponding path program 1 times [2019-10-07 15:17:04,396 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:04,396 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,397 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,397 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:04,486 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,487 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:04,487 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:04,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:04,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:04,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:04,489 INFO L87 Difference]: Start difference. First operand 285 states and 313 transitions. Second operand 3 states. [2019-10-07 15:17:04,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:04,528 INFO L93 Difference]: Finished difference Result 408 states and 461 transitions. [2019-10-07 15:17:04,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:04,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2019-10-07 15:17:04,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:04,533 INFO L225 Difference]: With dead ends: 408 [2019-10-07 15:17:04,533 INFO L226 Difference]: Without dead ends: 405 [2019-10-07 15:17:04,535 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:04,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2019-10-07 15:17:04,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 392. [2019-10-07 15:17:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-10-07 15:17:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 441 transitions. [2019-10-07 15:17:04,574 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 441 transitions. Word has length 74 [2019-10-07 15:17:04,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:04,575 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 441 transitions. [2019-10-07 15:17:04,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 441 transitions. [2019-10-07 15:17:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 15:17:04,583 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:04,583 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-07 15:17:04,583 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:04,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:04,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1913042337, now seen corresponding path program 1 times [2019-10-07 15:17:04,584 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:04,584 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,584 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,584 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:04,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:17:04,665 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:04,665 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:04,665 INFO L95 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 [2019-10-07 15:17:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:04,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 15:17:04,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:04,928 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:04,928 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:17:05,202 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:05,202 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-07 15:17:05,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:05,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:05,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:05,203 INFO L87 Difference]: Start difference. First operand 392 states and 441 transitions. Second operand 3 states. [2019-10-07 15:17:05,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:05,273 INFO L93 Difference]: Finished difference Result 716 states and 808 transitions. [2019-10-07 15:17:05,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:05,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 15:17:05,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:05,279 INFO L225 Difference]: With dead ends: 716 [2019-10-07 15:17:05,279 INFO L226 Difference]: Without dead ends: 349 [2019-10-07 15:17:05,281 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 244 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-07 15:17:05,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-10-07 15:17:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-07 15:17:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 381 transitions. [2019-10-07 15:17:05,311 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 381 transitions. Word has length 122 [2019-10-07 15:17:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:05,312 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 381 transitions. [2019-10-07 15:17:05,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 381 transitions. [2019-10-07 15:17:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 15:17:05,316 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:05,316 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:05,523 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:05,524 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:05,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:05,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1603140285, now seen corresponding path program 1 times [2019-10-07 15:17:05,525 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:05,525 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,525 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,526 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:05,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 15:17:05,816 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:05,816 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:05,816 INFO L95 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 [2019-10-07 15:17:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:06,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:06,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:17:06,244 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-07 15:17:06,797 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:06,797 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-07 15:17:06,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:06,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:06,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:06,799 INFO L87 Difference]: Start difference. First operand 349 states and 381 transitions. Second operand 11 states. [2019-10-07 15:17:07,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:07,416 INFO L93 Difference]: Finished difference Result 683 states and 763 transitions. [2019-10-07 15:17:07,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:17:07,416 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 125 [2019-10-07 15:17:07,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:07,417 INFO L225 Difference]: With dead ends: 683 [2019-10-07 15:17:07,417 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:17:07,419 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=1045, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:17:07,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:17:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:17:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:17:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:17:07,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2019-10-07 15:17:07,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:07,421 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:17:07,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:17:07,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:17:07,625 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:07,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:17:08,299 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-10-07 15:17:09,800 INFO L443 ceAbstractionStarter]: For program point L539(lines 516 540) no Hoare annotation was computed. [2019-10-07 15:17:09,800 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-07 15:17:09,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2019-10-07 15:17:09,800 INFO L443 ceAbstractionStarter]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2019-10-07 15:17:09,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2019-10-07 15:17:09,801 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2019-10-07 15:17:09,801 INFO L443 ceAbstractionStarter]: For program point L600(lines 573 601) no Hoare annotation was computed. [2019-10-07 15:17:09,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2019-10-07 15:17:09,801 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-07 15:17:09,801 INFO L443 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2019-10-07 15:17:09,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2019-10-07 15:17:09,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2019-10-07 15:17:09,801 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-07 15:17:09,802 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2019-10-07 15:17:09,802 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2019-10-07 15:17:09,802 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2019-10-07 15:17:09,802 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2019-10-07 15:17:09,802 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:17:09,802 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:09,802 INFO L439 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:17:09,802 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2019-10-07 15:17:09,802 INFO L443 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2019-10-07 15:17:09,802 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-07 15:17:09,803 INFO L439 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:09,803 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2019-10-07 15:17:09,803 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:09,803 INFO L439 ceAbstractionStarter]: At program point L888-1(line 888) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:09,803 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:17:09,803 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:17:09,803 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:17:09,803 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-07 15:17:09,803 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-07 15:17:09,803 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-07 15:17:09,804 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2019-10-07 15:17:09,805 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2019-10-07 15:17:09,806 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:09,806 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2019-10-07 15:17:09,806 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:09,806 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2019-10-07 15:17:09,806 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2019-10-07 15:17:09,806 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-07 15:17:09,806 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-10-07 15:17:09,807 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2019-10-07 15:17:09,807 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:09,807 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2019-10-07 15:17:09,807 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2019-10-07 15:17:09,807 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2019-10-07 15:17:09,807 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2019-10-07 15:17:09,807 INFO L439 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~1)) .cse0))) [2019-10-07 15:17:09,808 INFO L439 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~1))))) [2019-10-07 15:17:09,808 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-10-07 15:17:09,808 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2019-10-07 15:17:09,808 INFO L439 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:09,808 INFO L443 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2019-10-07 15:17:09,808 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:09,808 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-10-07 15:17:09,809 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:09,809 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2019-10-07 15:17:09,809 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2019-10-07 15:17:09,809 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:09,809 INFO L439 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:09,809 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2019-10-07 15:17:09,809 INFO L439 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:09,809 INFO L443 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2019-10-07 15:17:09,809 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:09,810 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-10-07 15:17:09,810 INFO L443 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2019-10-07 15:17:09,810 INFO L439 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:09,810 INFO L439 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:09,810 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-10-07 15:17:09,810 INFO L443 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2019-10-07 15:17:09,810 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2019-10-07 15:17:09,810 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2019-10-07 15:17:09,810 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2019-10-07 15:17:09,810 INFO L439 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:09,811 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2019-10-07 15:17:09,811 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2019-10-07 15:17:09,811 INFO L439 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse3 (= 0 ~methAndRunningLastTime~0) .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2019-10-07 15:17:09,811 INFO L443 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2019-10-07 15:17:09,811 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2019-10-07 15:17:09,811 INFO L443 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2019-10-07 15:17:09,811 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:17:09,811 INFO L443 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2019-10-07 15:17:09,811 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 384 406) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 384 406) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 638) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point L680(lines 658 681) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 655) no Hoare annotation was computed. [2019-10-07 15:17:09,812 INFO L443 ceAbstractionStarter]: For program point L660(lines 659 679) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 697) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 907 916) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 907 916) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2019-10-07 15:17:09,813 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:09,813 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2019-10-07 15:17:09,814 INFO L446 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2019-10-07 15:17:09,814 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-10-07 15:17:09,814 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2019-10-07 15:17:09,814 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 407 415) no Hoare annotation was computed. [2019-10-07 15:17:09,814 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 407 415) no Hoare annotation was computed. [2019-10-07 15:17:09,814 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1) .cse2 .cse3) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse0 .cse2 .cse3))) [2019-10-07 15:17:09,814 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2019-10-07 15:17:09,814 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:09,814 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:17:09,814 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2019-10-07 15:17:09,814 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2019-10-07 15:17:09,814 INFO L439 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse5 .cse2 .cse3) (or (and .cse6 .cse0) .cse7 .cse2 .cse3 .cse4) (or .cse7 .cse5 (and (= 0 ~methaneLevelCritical~0) .cse6) .cse2))) [2019-10-07 15:17:09,815 INFO L439 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2019-10-07 15:17:09,815 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2019-10-07 15:17:09,815 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse2) .cse1 .cse3))) [2019-10-07 15:17:09,815 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2019-10-07 15:17:09,815 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2019-10-07 15:17:09,815 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse1) .cse2 .cse3))) [2019-10-07 15:17:09,815 INFO L446 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2019-10-07 15:17:09,815 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2019-10-07 15:17:09,815 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2019-10-07 15:17:09,815 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-07 15:17:09,816 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-07 15:17:09,816 INFO L446 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2019-10-07 15:17:09,816 INFO L446 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2019-10-07 15:17:09,816 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-10-07 15:17:09,816 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-07 15:17:09,816 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2019-10-07 15:17:09,816 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2019-10-07 15:17:09,816 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2019-10-07 15:17:09,816 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2019-10-07 15:17:09,816 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:09,816 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:17:09,817 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:17:09,817 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:17:09,817 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:09,817 INFO L439 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:09,817 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-10-07 15:17:09,817 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2019-10-07 15:17:09,817 INFO L439 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:09,817 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-10-07 15:17:09,817 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-10-07 15:17:09,817 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:09,817 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2019-10-07 15:17:09,818 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:09,818 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2019-10-07 15:17:09,818 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: true [2019-10-07 15:17:09,818 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-10-07 15:17:09,818 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2019-10-07 15:17:09,818 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2019-10-07 15:17:09,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:17:09 BoogieIcfgContainer [2019-10-07 15:17:09,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:17:09,832 INFO L168 Benchmark]: Toolchain (without parser) took 10703.26 ms. Allocated memory was 143.7 MB in the beginning and 390.1 MB in the end (delta: 246.4 MB). Free memory was 99.6 MB in the beginning and 238.7 MB in the end (delta: -139.1 MB). Peak memory consumption was 216.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:09,833 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory is still 118.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:17:09,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.17 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.6 MB in the beginning and 168.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:09,835 INFO L168 Benchmark]: Boogie Preprocessor took 95.55 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:09,836 INFO L168 Benchmark]: RCFGBuilder took 1567.63 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.5 MB in the beginning and 147.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:09,837 INFO L168 Benchmark]: TraceAbstraction took 8387.97 ms. Allocated memory was 231.2 MB in the beginning and 390.1 MB in the end (delta: 158.9 MB). Free memory was 145.4 MB in the beginning and 238.7 MB in the end (delta: -93.3 MB). Peak memory consumption was 174.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:09,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory is still 118.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.17 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.6 MB in the beginning and 168.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.55 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1567.63 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.5 MB in the beginning and 147.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8387.97 ms. Allocated memory was 231.2 MB in the beginning and 390.1 MB in the end (delta: 158.9 MB). Free memory was 145.4 MB in the beginning and 238.7 MB in the end (delta: -93.3 MB). Peak memory consumption was 174.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 180 locations, 1 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 1088 SDtfs, 629 SDslu, 1886 SDs, 0 SdLazy, 1151 SolverSat, 225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 522 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 61 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 822 PreInvPairs, 859 NumberOfFragments, 1227 HoareAnnotationTreeSize, 822 FomulaSimplifications, 960 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 3265 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 917 NumberOfCodeBlocks, 917 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1151 ConstructedInterpolants, 0 QuantifiedInterpolants, 184630 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1726 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 222/237 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...