./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e3a30f3e039239baba08dd6989ee3f84e0fd49b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:43:03,053 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:03,054 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:03,067 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:03,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:03,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:03,070 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:03,072 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:03,073 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:03,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:03,075 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:03,075 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:03,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:03,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:03,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:03,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:03,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:03,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:03,085 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:03,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:03,088 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:03,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:03,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:03,092 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:03,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:03,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:03,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:03,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:03,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:03,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:03,099 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:03,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:03,100 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:03,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:03,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:03,102 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:03,102 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:03,118 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:03,118 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:03,119 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:03,119 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:03,120 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:03,120 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:03,121 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:03,121 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:03,121 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:03,121 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:03,121 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:03,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:03,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:03,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:03,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:03,122 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:03,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:03,122 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:03,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:03,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:03,124 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:03,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:03,125 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:03,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:03,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:03,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:03,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:03,127 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:03,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:03,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:03,127 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2018-11-28 18:43:03,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:03,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:03,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:03,182 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:03,183 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:03,183 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:03,239 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2704bcb34/f858ec17f22a41e59ed29d3c19b99ffc/FLAGef2b9d647 [2018-11-28 18:43:03,832 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:03,833 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:03,858 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2704bcb34/f858ec17f22a41e59ed29d3c19b99ffc/FLAGef2b9d647 [2018-11-28 18:43:04,080 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2704bcb34/f858ec17f22a41e59ed29d3c19b99ffc [2018-11-28 18:43:04,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:04,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:04,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:04,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:04,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:04,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630e6997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04, skipping insertion in model container [2018-11-28 18:43:04,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:04,167 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:04,551 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:04,575 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:04,802 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:04,840 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:04,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04 WrapperNode [2018-11-28 18:43:04,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:04,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:04,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:04,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:04,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:04,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:04,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:04,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:04,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (1/1) ... [2018-11-28 18:43:04,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:04,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:04,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:04,972 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:04,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (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 [2018-11-28 18:43:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:05,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:05,035 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:43:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:43:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:05,912 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:05,913 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:05,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:05 BoogieIcfgContainer [2018-11-28 18:43:05,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:05,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:05,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:05,918 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:05,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:04" (1/3) ... [2018-11-28 18:43:05,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b7c519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:05, skipping insertion in model container [2018-11-28 18:43:05,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:04" (2/3) ... [2018-11-28 18:43:05,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b7c519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:05, skipping insertion in model container [2018-11-28 18:43:05,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:05" (3/3) ... [2018-11-28 18:43:05,921 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:05,932 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:05,940 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:05,960 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:05,995 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:05,996 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:05,996 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:05,996 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:05,997 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:05,997 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:05,997 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:05,997 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:05,997 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:06,021 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-11-28 18:43:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:06,031 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:06,032 INFO L402 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] [2018-11-28 18:43:06,035 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:06,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:06,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1565238715, now seen corresponding path program 1 times [2018-11-28 18:43:06,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:06,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:06,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:06,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:06,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:06,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:06,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:06,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:06,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:06,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:06,398 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2018-11-28 18:43:06,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:06,440 INFO L93 Difference]: Finished difference Result 206 states and 257 transitions. [2018-11-28 18:43:06,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:06,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:06,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:06,460 INFO L225 Difference]: With dead ends: 206 [2018-11-28 18:43:06,461 INFO L226 Difference]: Without dead ends: 103 [2018-11-28 18:43:06,466 INFO L631 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 [2018-11-28 18:43:06,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-28 18:43:06,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-28 18:43:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-28 18:43:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2018-11-28 18:43:06,558 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 46 [2018-11-28 18:43:06,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:06,559 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2018-11-28 18:43:06,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2018-11-28 18:43:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:06,566 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:06,566 INFO L402 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] [2018-11-28 18:43:06,566 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:06,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:06,568 INFO L82 PathProgramCache]: Analyzing trace with hash 166793586, now seen corresponding path program 1 times [2018-11-28 18:43:06,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:06,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:06,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:06,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:06,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:06,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:06,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:06,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:06,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:06,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:06,841 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 3 states. [2018-11-28 18:43:06,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:06,870 INFO L93 Difference]: Finished difference Result 151 states and 175 transitions. [2018-11-28 18:43:06,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:06,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:06,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:06,874 INFO L225 Difference]: With dead ends: 151 [2018-11-28 18:43:06,874 INFO L226 Difference]: Without dead ends: 94 [2018-11-28 18:43:06,876 INFO L631 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 [2018-11-28 18:43:06,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-28 18:43:06,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-28 18:43:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-28 18:43:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-11-28 18:43:06,892 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 47 [2018-11-28 18:43:06,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:06,893 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-11-28 18:43:06,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-11-28 18:43:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:06,896 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:06,896 INFO L402 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] [2018-11-28 18:43:06,896 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:06,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:06,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1085964651, now seen corresponding path program 1 times [2018-11-28 18:43:06,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:06,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:06,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:06,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:06,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:07,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:07,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:07,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:07,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:07,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:07,190 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 7 states. [2018-11-28 18:43:08,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:08,025 INFO L93 Difference]: Finished difference Result 164 states and 193 transitions. [2018-11-28 18:43:08,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:08,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:43:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:08,030 INFO L225 Difference]: With dead ends: 164 [2018-11-28 18:43:08,030 INFO L226 Difference]: Without dead ends: 94 [2018-11-28 18:43:08,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:08,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-28 18:43:08,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-28 18:43:08,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-28 18:43:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2018-11-28 18:43:08,062 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 52 [2018-11-28 18:43:08,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:08,063 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2018-11-28 18:43:08,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2018-11-28 18:43:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 18:43:08,070 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:08,071 INFO L402 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] [2018-11-28 18:43:08,073 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:08,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:08,073 INFO L82 PathProgramCache]: Analyzing trace with hash -2131334068, now seen corresponding path program 1 times [2018-11-28 18:43:08,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:08,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:08,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:08,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:08,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:08,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:08,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:08,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:08,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:08,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:08,301 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 6 states. [2018-11-28 18:43:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:08,898 INFO L93 Difference]: Finished difference Result 227 states and 270 transitions. [2018-11-28 18:43:08,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:08,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-28 18:43:08,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:08,906 INFO L225 Difference]: With dead ends: 227 [2018-11-28 18:43:08,906 INFO L226 Difference]: Without dead ends: 157 [2018-11-28 18:43:08,907 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:08,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-28 18:43:08,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2018-11-28 18:43:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-28 18:43:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2018-11-28 18:43:08,933 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 60 [2018-11-28 18:43:08,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:08,934 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2018-11-28 18:43:08,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:08,935 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2018-11-28 18:43:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 18:43:08,938 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:08,938 INFO L402 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] [2018-11-28 18:43:08,938 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:08,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:08,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1008503512, now seen corresponding path program 1 times [2018-11-28 18:43:08,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:08,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:08,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:08,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:08,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:09,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:09,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:09,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:09,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:09,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:09,186 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand 7 states. [2018-11-28 18:43:10,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:10,969 INFO L93 Difference]: Finished difference Result 251 states and 298 transitions. [2018-11-28 18:43:10,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:10,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-28 18:43:10,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:10,972 INFO L225 Difference]: With dead ends: 251 [2018-11-28 18:43:10,972 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:10,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:43:10,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:10,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:10,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:10,976 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-28 18:43:10,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:10,976 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:10,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:10,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:10,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:11,232 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-11-28 18:43:11,389 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-11-28 18:43:12,264 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 804 811) the Hoare annotation is: true [2018-11-28 18:43:12,265 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 804 811) no Hoare annotation was computed. [2018-11-28 18:43:12,265 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 804 811) no Hoare annotation was computed. [2018-11-28 18:43:12,265 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 771 795) no Hoare annotation was computed. [2018-11-28 18:43:12,265 INFO L444 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,265 INFO L448 ceAbstractionStarter]: For program point L790-1(lines 771 795) no Hoare annotation was computed. [2018-11-28 18:43:12,265 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 771 795) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,265 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,266 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,266 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 787) no Hoare annotation was computed. [2018-11-28 18:43:12,266 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,266 INFO L448 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2018-11-28 18:43:12,266 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 792) no Hoare annotation was computed. [2018-11-28 18:43:12,266 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-11-28 18:43:12,266 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-11-28 18:43:12,266 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 763 769) no Hoare annotation was computed. [2018-11-28 18:43:12,267 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 763 769) the Hoare annotation is: true [2018-11-28 18:43:12,267 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-28 18:43:12,267 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-11-28 18:43:12,267 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-28 18:43:12,267 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 667 732) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:12,267 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 667 732) no Hoare annotation was computed. [2018-11-28 18:43:12,267 INFO L444 ceAbstractionStarter]: At program point L725(lines 676 726) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:12,268 INFO L448 ceAbstractionStarter]: For program point L715(lines 715 719) no Hoare annotation was computed. [2018-11-28 18:43:12,268 INFO L444 ceAbstractionStarter]: At program point L715-2(lines 707 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:12,268 INFO L448 ceAbstractionStarter]: For program point L678(lines 677 724) no Hoare annotation was computed. [2018-11-28 18:43:12,268 INFO L444 ceAbstractionStarter]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:12,268 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 720) no Hoare annotation was computed. [2018-11-28 18:43:12,268 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:12,268 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 703) no Hoare annotation was computed. [2018-11-28 18:43:12,269 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2018-11-28 18:43:12,269 INFO L444 ceAbstractionStarter]: At program point L722(lines 677 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:12,269 INFO L444 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:12,269 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 693) no Hoare annotation was computed. [2018-11-28 18:43:12,269 INFO L448 ceAbstractionStarter]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2018-11-28 18:43:12,269 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 683) no Hoare annotation was computed. [2018-11-28 18:43:12,269 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 667 732) no Hoare annotation was computed. [2018-11-28 18:43:12,269 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 521 543) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:12,270 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 521 543) no Hoare annotation was computed. [2018-11-28 18:43:12,270 INFO L444 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:12,270 INFO L444 ceAbstractionStarter]: At program point L533-1(line 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:12,270 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 538) no Hoare annotation was computed. [2018-11-28 18:43:12,270 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 531 538) no Hoare annotation was computed. [2018-11-28 18:43:12,270 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-28 18:43:12,270 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:12,270 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:12,271 INFO L444 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:12,271 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 521 543) no Hoare annotation was computed. [2018-11-28 18:43:12,271 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2018-11-28 18:43:12,271 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 823 831) the Hoare annotation is: true [2018-11-28 18:43:12,271 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 823 831) no Hoare annotation was computed. [2018-11-28 18:43:12,271 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:12,271 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:43:12,271 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:12,271 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:12,272 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-11-28 18:43:12,272 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-11-28 18:43:12,272 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-11-28 18:43:12,272 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-28 18:43:12,272 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-28 18:43:12,272 INFO L444 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,272 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 739 762) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,272 INFO L444 ceAbstractionStarter]: At program point L750(lines 750 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,273 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 739 762) no Hoare annotation was computed. [2018-11-28 18:43:12,273 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,273 INFO L448 ceAbstractionStarter]: For program point L743(lines 742 761) no Hoare annotation was computed. [2018-11-28 18:43:12,273 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 739 762) no Hoare annotation was computed. [2018-11-28 18:43:12,273 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2018-11-28 18:43:12,273 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2018-11-28 18:43:12,273 INFO L451 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2018-11-28 18:43:12,273 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 18:43:12,273 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2018-11-28 18:43:12,273 INFO L451 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2018-11-28 18:43:12,274 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 18:43:12,274 INFO L451 ceAbstractionStarter]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2018-11-28 18:43:12,274 INFO L451 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-28 18:43:12,274 INFO L448 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2018-11-28 18:43:12,274 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-11-28 18:43:12,274 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: true [2018-11-28 18:43:12,274 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-11-28 18:43:12,274 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-11-28 18:43:12,274 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-11-28 18:43:12,275 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2018-11-28 18:43:12,275 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2018-11-28 18:43:12,275 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:12,275 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:43:12,275 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:12,275 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:12,275 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 868 875) no Hoare annotation was computed. [2018-11-28 18:43:12,275 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 868 875) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:43:12,275 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 868 875) no Hoare annotation was computed. [2018-11-28 18:43:12,276 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-11-28 18:43:12,276 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-11-28 18:43:12,276 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: true [2018-11-28 18:43:12,276 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2018-11-28 18:43:12,276 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2018-11-28 18:43:12,276 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2018-11-28 18:43:12,276 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-11-28 18:43:12,277 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:12,277 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2018-11-28 18:43:12,277 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2018-11-28 18:43:12,277 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2018-11-28 18:43:12,277 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2018-11-28 18:43:12,277 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:12,277 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-28 18:43:12,277 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:12,277 INFO L448 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2018-11-28 18:43:12,278 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-28 18:43:12,278 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2018-11-28 18:43:12,278 INFO L451 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-11-28 18:43:12,278 INFO L448 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-11-28 18:43:12,278 INFO L451 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-11-28 18:43:12,278 INFO L448 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-11-28 18:43:12,278 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2018-11-28 18:43:12,278 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2018-11-28 18:43:12,278 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2018-11-28 18:43:12,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:12 BoogieIcfgContainer [2018-11-28 18:43:12,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:12,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:12,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:12,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:12,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:05" (3/4) ... [2018-11-28 18:43:12,297 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:12,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:12,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:12,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:12,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:43:12,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:12,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:12,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:12,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:12,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:12,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:12,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:12,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:12,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:12,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:12,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:12,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:12,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:43:12,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:12,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:12,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:12,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:12,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:43:12,317 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:43:12,317 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:43:12,318 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:43:12,319 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:12,319 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:12,319 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:12,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-28 18:43:12,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:12,432 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:12,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:12,433 INFO L168 Benchmark]: Toolchain (without parser) took 8348.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -206.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:12,434 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:12,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:12,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:12,436 INFO L168 Benchmark]: Boogie Preprocessor took 66.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:12,437 INFO L168 Benchmark]: RCFGBuilder took 941.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:12,437 INFO L168 Benchmark]: TraceAbstraction took 6377.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.2 MB). Peak memory consumption was 292.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:12,438 INFO L168 Benchmark]: Witness Printer took 140.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:12,442 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 752.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 941.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6377.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.2 MB). Peak memory consumption was 292.6 MB. Max. memory is 11.5 GB. * Witness Printer took 140.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 116 locations, 1 error locations. SAFE Result, 6.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 248 SDslu, 805 SDs, 0 SdLazy, 320 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 498 HoareAnnotationTreeSize, 231 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 27132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...