./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer --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 ffb924ee3454938bf87e2a52362fa3f53467287e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:15:57,980 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:15:57,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:15:57,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:15:57,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:15:57,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:15:57,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:15:57,990 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:15:57,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:15:57,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:15:57,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:15:57,992 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:15:57,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:15:57,993 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:15:57,994 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:15:57,994 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:15:57,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:15:57,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:15:57,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:15:57,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:15:57,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:15:57,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:15:58,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:15:58,000 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:15:58,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:15:58,001 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:15:58,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:15:58,001 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:15:58,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:15:58,002 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:15:58,003 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:15:58,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:15:58,003 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:15:58,003 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:15:58,004 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:15:58,004 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:15:58,004 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 15:15:58,012 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:15:58,012 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:15:58,012 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:15:58,013 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 15:15:58,013 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:15:58,013 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:15:58,013 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:15:58,013 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:15:58,013 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:15:58,013 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:15:58,014 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:15:58,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:15:58,015 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:15:58,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:15:58,015 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer 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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2018-12-01 15:15:58,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:15:58,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:15:58,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:15:58,042 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:15:58,042 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:15:58,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-12-01 15:15:58,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/data/485a108d9/58107cb595ca44abaf380acb662b96fb/FLAG4047b919a [2018-12-01 15:15:58,554 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:15:58,555 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-12-01 15:15:58,561 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/data/485a108d9/58107cb595ca44abaf380acb662b96fb/FLAG4047b919a [2018-12-01 15:15:58,569 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/data/485a108d9/58107cb595ca44abaf380acb662b96fb [2018-12-01 15:15:58,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:15:58,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:15:58,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:15:58,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:15:58,574 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:15:58,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58, skipping insertion in model container [2018-12-01 15:15:58,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:15:58,599 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:15:58,739 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:15:58,747 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:15:58,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:15:58,837 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:15:58,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58 WrapperNode [2018-12-01 15:15:58,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:15:58,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:15:58,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:15:58,838 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:15:58,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:15:58,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:15:58,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:15:58,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:15:58,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... [2018-12-01 15:15:58,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:15:58,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:15:58,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:15:58,877 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:15:58,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/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 [2018-12-01 15:15:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 15:15:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 15:15:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 15:15:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 15:15:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:15:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 15:15:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 15:15:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 15:15:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 15:15:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 15:15:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 15:15:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 15:15:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 15:15:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 15:15:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 15:15:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 15:15:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 15:15:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 15:15:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 15:15:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 15:15:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 15:15:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 15:15:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 15:15:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 15:15:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 15:15:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 15:15:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 15:15:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 15:15:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 15:15:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 15:15:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 15:15:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 15:15:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 15:15:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 15:15:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 15:15:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 15:15:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 15:15:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 15:15:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 15:15:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 15:15:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 15:15:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 15:15:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 15:15:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 15:15:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:15:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:15:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-01 15:15:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-01 15:15:59,174 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:15:59,174 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 15:15:59,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:59 BoogieIcfgContainer [2018-12-01 15:15:59,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:15:59,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 15:15:59,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 15:15:59,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 15:15:59,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:15:58" (1/3) ... [2018-12-01 15:15:59,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0a3cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:15:59, skipping insertion in model container [2018-12-01 15:15:59,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:58" (2/3) ... [2018-12-01 15:15:59,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0a3cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:15:59, skipping insertion in model container [2018-12-01 15:15:59,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:59" (3/3) ... [2018-12-01 15:15:59,181 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-12-01 15:15:59,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 15:15:59,196 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 15:15:59,206 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 15:15:59,224 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:15:59,224 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 15:15:59,224 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 15:15:59,224 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 15:15:59,224 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:15:59,224 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:15:59,224 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 15:15:59,224 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:15:59,224 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 15:15:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-12-01 15:15:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 15:15:59,240 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:15:59,240 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] [2018-12-01 15:15:59,242 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:15:59,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:15:59,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1930360764, now seen corresponding path program 1 times [2018-12-01 15:15:59,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:15:59,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:15:59,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:15:59,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:15:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:15:59,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:15:59,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 15:15:59,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 15:15:59,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 15:15:59,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 15:15:59,407 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2018-12-01 15:15:59,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:15:59,428 INFO L93 Difference]: Finished difference Result 206 states and 257 transitions. [2018-12-01 15:15:59,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 15:15:59,428 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 15:15:59,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:15:59,435 INFO L225 Difference]: With dead ends: 206 [2018-12-01 15:15:59,435 INFO L226 Difference]: Without dead ends: 103 [2018-12-01 15:15:59,437 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 [2018-12-01 15:15:59,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-01 15:15:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-12-01 15:15:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-01 15:15:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2018-12-01 15:15:59,465 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 46 [2018-12-01 15:15:59,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:15:59,465 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2018-12-01 15:15:59,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 15:15:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2018-12-01 15:15:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 15:15:59,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:15:59,467 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] [2018-12-01 15:15:59,467 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:15:59,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:15:59,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1088618859, now seen corresponding path program 1 times [2018-12-01 15:15:59,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:15:59,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:15:59,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:15:59,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:15:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:15:59,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:15:59,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:15:59,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:15:59,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:15:59,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:15:59,518 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 3 states. [2018-12-01 15:15:59,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:15:59,528 INFO L93 Difference]: Finished difference Result 151 states and 175 transitions. [2018-12-01 15:15:59,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:15:59,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 15:15:59,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:15:59,530 INFO L225 Difference]: With dead ends: 151 [2018-12-01 15:15:59,530 INFO L226 Difference]: Without dead ends: 94 [2018-12-01 15:15:59,530 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 [2018-12-01 15:15:59,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-12-01 15:15:59,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-12-01 15:15:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-12-01 15:15:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-12-01 15:15:59,537 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 47 [2018-12-01 15:15:59,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:15:59,537 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-12-01 15:15:59,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:15:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-12-01 15:15:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 15:15:59,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:15:59,538 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] [2018-12-01 15:15:59,538 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:15:59,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:15:59,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1192788758, now seen corresponding path program 1 times [2018-12-01 15:15:59,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:15:59,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:15:59,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:15:59,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:15:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:15:59,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:15:59,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 15:15:59,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 15:15:59,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 15:15:59,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 15:15:59,617 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 7 states. [2018-12-01 15:15:59,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:15:59,758 INFO L93 Difference]: Finished difference Result 164 states and 193 transitions. [2018-12-01 15:15:59,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 15:15:59,759 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-01 15:15:59,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:15:59,760 INFO L225 Difference]: With dead ends: 164 [2018-12-01 15:15:59,760 INFO L226 Difference]: Without dead ends: 94 [2018-12-01 15:15:59,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 15:15:59,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-12-01 15:15:59,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-12-01 15:15:59,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-12-01 15:15:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2018-12-01 15:15:59,767 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 52 [2018-12-01 15:15:59,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:15:59,767 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2018-12-01 15:15:59,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 15:15:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2018-12-01 15:15:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 15:15:59,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:15:59,768 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] [2018-12-01 15:15:59,768 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:15:59,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:15:59,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1914580904, now seen corresponding path program 1 times [2018-12-01 15:15:59,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:15:59,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:15:59,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:15:59,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:15:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:15:59,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:15:59,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 15:15:59,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 15:15:59,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 15:15:59,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 15:15:59,840 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 6 states. [2018-12-01 15:15:59,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:15:59,935 INFO L93 Difference]: Finished difference Result 227 states and 270 transitions. [2018-12-01 15:15:59,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 15:15:59,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-01 15:15:59,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:15:59,938 INFO L225 Difference]: With dead ends: 227 [2018-12-01 15:15:59,938 INFO L226 Difference]: Without dead ends: 157 [2018-12-01 15:15:59,938 INFO L631 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 [2018-12-01 15:15:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-12-01 15:15:59,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2018-12-01 15:15:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-01 15:15:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2018-12-01 15:15:59,950 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 60 [2018-12-01 15:15:59,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:15:59,951 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2018-12-01 15:15:59,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 15:15:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2018-12-01 15:15:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 15:15:59,952 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:15:59,953 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] [2018-12-01 15:15:59,953 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:15:59,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:15:59,953 INFO L82 PathProgramCache]: Analyzing trace with hash -579006204, now seen corresponding path program 1 times [2018-12-01 15:15:59,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:15:59,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:15:59,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:15:59,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:15:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:16:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:16:00,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:16:00,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 15:16:00,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 15:16:00,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 15:16:00,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 15:16:00,007 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand 7 states. [2018-12-01 15:16:00,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:16:00,192 INFO L93 Difference]: Finished difference Result 251 states and 298 transitions. [2018-12-01 15:16:00,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 15:16:00,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-01 15:16:00,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:16:00,193 INFO L225 Difference]: With dead ends: 251 [2018-12-01 15:16:00,193 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 15:16:00,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-01 15:16:00,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 15:16:00,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 15:16:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 15:16:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 15:16:00,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-12-01 15:16:00,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:16:00,195 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 15:16:00,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 15:16:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 15:16:00,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:16:00,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 15:16:00,641 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 786 793) the Hoare annotation is: true [2018-12-01 15:16:00,641 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2018-12-01 15:16:00,642 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2018-12-01 15:16:00,642 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 736 760) no Hoare annotation was computed. [2018-12-01 15:16:00,642 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 736 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,642 INFO L444 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,642 INFO L448 ceAbstractionStarter]: For program point L755-1(lines 736 760) no Hoare annotation was computed. [2018-12-01 15:16:00,642 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,642 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,642 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 752) no Hoare annotation was computed. [2018-12-01 15:16:00,643 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,643 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-12-01 15:16:00,643 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 757) no Hoare annotation was computed. [2018-12-01 15:16:00,643 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 513 519) the Hoare annotation is: true [2018-12-01 15:16:00,643 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 513 519) no Hoare annotation was computed. [2018-12-01 15:16:00,643 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 520 528) no Hoare annotation was computed. [2018-12-01 15:16:00,643 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 520 528) the Hoare annotation is: true [2018-12-01 15:16:00,643 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 520 528) no Hoare annotation was computed. [2018-12-01 15:16:00,643 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 630 695) 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))) [2018-12-01 15:16:00,643 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 630 695) no Hoare annotation was computed. [2018-12-01 15:16:00,644 INFO L444 ceAbstractionStarter]: At program point L688(lines 639 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 15:16:00,644 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-12-01 15:16:00,644 INFO L444 ceAbstractionStarter]: At program point L678-2(lines 670 683) 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))) [2018-12-01 15:16:00,644 INFO L448 ceAbstractionStarter]: For program point L641(lines 640 687) no Hoare annotation was computed. [2018-12-01 15:16:00,644 INFO L444 ceAbstractionStarter]: At program point L672(line 672) 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))) [2018-12-01 15:16:00,644 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 683) no Hoare annotation was computed. [2018-12-01 15:16:00,644 INFO L444 ceAbstractionStarter]: At program point L662(line 662) 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))) [2018-12-01 15:16:00,644 INFO L448 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2018-12-01 15:16:00,645 INFO L448 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2018-12-01 15:16:00,645 INFO L444 ceAbstractionStarter]: At program point L685(lines 640 687) 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))) [2018-12-01 15:16:00,645 INFO L444 ceAbstractionStarter]: At program point L652(line 652) 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))) [2018-12-01 15:16:00,645 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-12-01 15:16:00,645 INFO L448 ceAbstractionStarter]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2018-12-01 15:16:00,645 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 630 695) no Hoare annotation was computed. [2018-12-01 15:16:00,645 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 646) no Hoare annotation was computed. [2018-12-01 15:16:00,645 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 605 627) 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))) [2018-12-01 15:16:00,645 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2018-12-01 15:16:00,645 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2018-12-01 15:16:00,646 INFO L444 ceAbstractionStarter]: At program point L617(line 617) 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))) [2018-12-01 15:16:00,646 INFO L444 ceAbstractionStarter]: At program point L617-1(line 617) 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))) [2018-12-01 15:16:00,646 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2018-12-01 15:16:00,646 INFO L448 ceAbstractionStarter]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2018-12-01 15:16:00,646 INFO L448 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-12-01 15:16:00,646 INFO L444 ceAbstractionStarter]: At program point L612(line 612) 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))) [2018-12-01 15:16:00,646 INFO L444 ceAbstractionStarter]: At program point L611(line 611) 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))) [2018-12-01 15:16:00,646 INFO L444 ceAbstractionStarter]: At program point L611-1(line 611) 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))) [2018-12-01 15:16:00,646 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 734) no Hoare annotation was computed. [2018-12-01 15:16:00,646 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 728 734) the Hoare annotation is: true [2018-12-01 15:16:00,646 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 805 813) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 805 813) the Hoare annotation is: true [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 805 813) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 704 727) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,647 INFO L444 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,647 INFO L444 ceAbstractionStarter]: At program point L715(lines 715 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 704 727) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 704 727) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point L708(lines 707 726) no Hoare annotation was computed. [2018-12-01 15:16:00,647 INFO L451 ceAbstractionStarter]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2018-12-01 15:16:00,647 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2018-12-01 15:16:00,648 INFO L451 ceAbstractionStarter]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2018-12-01 15:16:00,648 INFO L451 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L451 ceAbstractionStarter]: At program point L557(lines 532 561) the Hoare annotation is: true [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 506 512) no Hoare annotation was computed. [2018-12-01 15:16:00,648 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 506 512) the Hoare annotation is: true [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-01 15:16:00,649 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2018-12-01 15:16:00,649 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 595 604) 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))) [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 860 884) the Hoare annotation is: true [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 860 884) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point L872(lines 872 878) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L444 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point L870-1(line 870) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 881) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point L868-1(lines 860 884) no Hoare annotation was computed. [2018-12-01 15:16:00,650 INFO L451 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-12-01 15:16:00,650 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 794 804) the Hoare annotation is: true [2018-12-01 15:16:00,650 INFO L451 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-12-01 15:16:00,650 INFO L448 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2018-12-01 15:16:00,651 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 794 804) no Hoare annotation was computed. [2018-12-01 15:16:00,651 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 794 804) no Hoare annotation was computed. [2018-12-01 15:16:00,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:16:00 BoogieIcfgContainer [2018-12-01 15:16:00,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 15:16:00,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:16:00,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:16:00,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:16:00,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:59" (3/4) ... [2018-12-01 15:16:00,664 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:16:00,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 15:16:00,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 15:16:00,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 15:16:00,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 15:16:00,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 15:16:00,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 15:16:00,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 15:16:00,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 15:16:00,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 15:16:00,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 15:16:00,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 15:16:00,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-01 15:16:00,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 15:16:00,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-01 15:16:00,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-01 15:16:00,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 15:16:00,677 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 15:16:00,677 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 15:16:00,677 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 15:16:00,697 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) [2018-12-01 15:16:00,697 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 15:16:00,725 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9fe437d9-5e13-412a-8443-6ae29ac94bfe/bin-2019/uautomizer/witness.graphml [2018-12-01 15:16:00,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:16:00,725 INFO L168 Benchmark]: Toolchain (without parser) took 2154.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -208.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-01 15:16:00,726 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:16:00,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:16:00,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.97 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. [2018-12-01 15:16:00,727 INFO L168 Benchmark]: Boogie Preprocessor took 20.14 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. [2018-12-01 15:16:00,727 INFO L168 Benchmark]: RCFGBuilder took 297.95 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: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:16:00,727 INFO L168 Benchmark]: TraceAbstraction took 1484.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 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: -93.5 MB). Peak memory consumption was 278.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:16:00,727 INFO L168 Benchmark]: Witness Printer took 64.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:16:00,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.97 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 20.14 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. * RCFGBuilder took 297.95 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: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1484.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 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: -93.5 MB). Peak memory consumption was 278.1 MB. Max. memory is 11.5 GB. * Witness Printer took 64.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: 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, 1.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 248 SDslu, 805 SDs, 0 SdLazy, 320 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 498 HoareAnnotationTreeSize, 231 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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...