./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:43:16,984 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:43:16,985 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:43:16,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:43:16,994 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:43:16,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:43:16,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:43:16,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:43:16,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:43:16,998 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:43:16,999 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:43:16,999 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:43:17,000 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:43:17,001 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:43:17,001 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:43:17,002 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:43:17,003 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:43:17,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:43:17,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:43:17,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:43:17,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:43:17,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:43:17,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:43:17,010 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:43:17,010 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:43:17,011 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:43:17,012 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:43:17,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:43:17,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:43:17,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:43:17,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:43:17,014 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:43:17,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:43:17,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:43:17,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:43:17,016 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:43:17,016 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 01:43:17,026 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:43:17,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:43:17,027 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:43:17,027 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:43:17,027 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:43:17,027 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:43:17,028 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:43:17,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:43:17,028 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:43:17,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:43:17,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:43:17,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:43:17,028 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:43:17,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:43:17,029 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:43:17,029 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:43:17,029 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:43:17,029 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:43:17,029 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:43:17,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:43:17,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:43:17,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:43:17,030 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:43:17,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:43:17,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:43:17,030 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:43:17,030 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:43:17,031 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:43:17,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:43:17,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:43:17,031 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_8de94dae-1cb7-409a-9020-e391ff79c1b2/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-11-23 01:43:17,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:43:17,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:43:17,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:43:17,068 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:43:17,068 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:43:17,069 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-23 01:43:17,106 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/data/5d5fe83fa/adafe52ec9db493690867e6c64a4df71/FLAG8fc1de1d0 [2018-11-23 01:43:17,547 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:43:17,547 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-23 01:43:17,554 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/data/5d5fe83fa/adafe52ec9db493690867e6c64a4df71/FLAG8fc1de1d0 [2018-11-23 01:43:17,564 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/data/5d5fe83fa/adafe52ec9db493690867e6c64a4df71 [2018-11-23 01:43:17,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:43:17,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:43:17,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:43:17,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:43:17,572 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:43:17,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17, skipping insertion in model container [2018-11-23 01:43:17,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:43:17,610 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:43:17,804 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:43:17,813 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:43:17,910 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:43:17,928 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:43:17,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17 WrapperNode [2018-11-23 01:43:17,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:43:17,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:43:17,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:43:17,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:43:17,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:43:17,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:43:17,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:43:17,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:43:17,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... [2018-11-23 01:43:17,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:43:17,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:43:17,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:43:17,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:43:17,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/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 [2018-11-23 01:43:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 01:43:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 01:43:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 01:43:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 01:43:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:43:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:43:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 01:43:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 01:43:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 01:43:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 01:43:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:43:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 01:43:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 01:43:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 01:43:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 01:43:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:43:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:43:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 01:43:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 01:43:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 01:43:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 01:43:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 01:43:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 01:43:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:43:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:43:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:43:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:43:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 01:43:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 01:43:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 01:43:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 01:43:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:43:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:43:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 01:43:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 01:43:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 01:43:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 01:43:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 01:43:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 01:43:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 01:43:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 01:43:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:43:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:43:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:43:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:43:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:43:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:43:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:43:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 01:43:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 01:43:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:43:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:43:18,396 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:43:18,396 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 01:43:18,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:18 BoogieIcfgContainer [2018-11-23 01:43:18,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:43:18,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:43:18,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:43:18,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:43:18,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:43:17" (1/3) ... [2018-11-23 01:43:18,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dd0aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:18, skipping insertion in model container [2018-11-23 01:43:18,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:17" (2/3) ... [2018-11-23 01:43:18,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dd0aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:18, skipping insertion in model container [2018-11-23 01:43:18,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:18" (3/3) ... [2018-11-23 01:43:18,403 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-23 01:43:18,412 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:43:18,419 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:43:18,433 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:43:18,459 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:43:18,460 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:43:18,460 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:43:18,460 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:43:18,460 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:43:18,461 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:43:18,461 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:43:18,461 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:43:18,461 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:43:18,478 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-23 01:43:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 01:43:18,485 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:18,485 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] [2018-11-23 01:43:18,488 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:18,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:18,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1519028375, now seen corresponding path program 1 times [2018-11-23 01:43:18,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:43:18,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:43:18,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:18,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:18,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:43:18,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:18,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:43:18,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:43:18,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:43:18,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:43:18,703 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-23 01:43:18,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:18,730 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-11-23 01:43:18,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:43:18,731 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 01:43:18,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:18,739 INFO L225 Difference]: With dead ends: 228 [2018-11-23 01:43:18,739 INFO L226 Difference]: Without dead ends: 114 [2018-11-23 01:43:18,741 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 [2018-11-23 01:43:18,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-23 01:43:18,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-23 01:43:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-23 01:43:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-11-23 01:43:18,778 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-11-23 01:43:18,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:18,779 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-11-23 01:43:18,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:43:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-11-23 01:43:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:43:18,781 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:18,782 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] [2018-11-23 01:43:18,782 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:18,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:18,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1219387168, now seen corresponding path program 1 times [2018-11-23 01:43:18,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:43:18,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:43:18,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:18,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:18,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:43:18,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:18,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:43:18,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:43:18,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:43:18,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:43:18,865 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-11-23 01:43:18,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:18,881 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2018-11-23 01:43:18,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:43:18,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 01:43:18,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:18,883 INFO L225 Difference]: With dead ends: 167 [2018-11-23 01:43:18,883 INFO L226 Difference]: Without dead ends: 105 [2018-11-23 01:43:18,884 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 [2018-11-23 01:43:18,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-23 01:43:18,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-23 01:43:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-23 01:43:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-11-23 01:43:18,893 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-11-23 01:43:18,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:18,894 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-11-23 01:43:18,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:43:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-11-23 01:43:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 01:43:18,895 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:18,895 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] [2018-11-23 01:43:18,895 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:18,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:18,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1593784938, now seen corresponding path program 1 times [2018-11-23 01:43:18,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:43:18,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:43:18,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:18,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:18,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:43:19,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:19,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:43:19,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:43:19,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:43:19,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:43:19,005 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-11-23 01:43:19,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:19,343 INFO L93 Difference]: Finished difference Result 317 states and 383 transitions. [2018-11-23 01:43:19,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:43:19,343 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 01:43:19,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:19,345 INFO L225 Difference]: With dead ends: 317 [2018-11-23 01:43:19,345 INFO L226 Difference]: Without dead ends: 236 [2018-11-23 01:43:19,346 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 [2018-11-23 01:43:19,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-11-23 01:43:19,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2018-11-23 01:43:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-23 01:43:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2018-11-23 01:43:19,373 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2018-11-23 01:43:19,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:19,373 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2018-11-23 01:43:19,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:43:19,374 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2018-11-23 01:43:19,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 01:43:19,375 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:19,375 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] [2018-11-23 01:43:19,376 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:19,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:19,376 INFO L82 PathProgramCache]: Analyzing trace with hash -244838507, now seen corresponding path program 1 times [2018-11-23 01:43:19,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:43:19,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:43:19,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:19,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:19,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:43:19,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:19,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 01:43:19,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:43:19,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:43:19,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:43:19,528 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 10 states. [2018-11-23 01:43:19,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:19,880 INFO L93 Difference]: Finished difference Result 776 states and 999 transitions. [2018-11-23 01:43:19,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 01:43:19,881 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-23 01:43:19,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:19,885 INFO L225 Difference]: With dead ends: 776 [2018-11-23 01:43:19,885 INFO L226 Difference]: Without dead ends: 576 [2018-11-23 01:43:19,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:43:19,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2018-11-23 01:43:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 564. [2018-11-23 01:43:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-11-23 01:43:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 700 transitions. [2018-11-23 01:43:19,932 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 700 transitions. Word has length 57 [2018-11-23 01:43:19,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:19,933 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 700 transitions. [2018-11-23 01:43:19,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:43:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 700 transitions. [2018-11-23 01:43:19,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:43:19,935 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:19,935 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] [2018-11-23 01:43:19,936 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:19,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:19,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1817462981, now seen corresponding path program 1 times [2018-11-23 01:43:19,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:43:19,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:43:19,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:19,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:19,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:43:20,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:43:20,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:43:20,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:43:20,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:43:20,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:43:20,021 INFO L87 Difference]: Start difference. First operand 564 states and 700 transitions. Second operand 4 states. [2018-11-23 01:43:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:20,165 INFO L93 Difference]: Finished difference Result 948 states and 1210 transitions. [2018-11-23 01:43:20,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:43:20,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 01:43:20,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:20,168 INFO L225 Difference]: With dead ends: 948 [2018-11-23 01:43:20,168 INFO L226 Difference]: Without dead ends: 408 [2018-11-23 01:43:20,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:43:20,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-11-23 01:43:20,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2018-11-23 01:43:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-11-23 01:43:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2018-11-23 01:43:20,197 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2018-11-23 01:43:20,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:20,197 INFO L480 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2018-11-23 01:43:20,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:43:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2018-11-23 01:43:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 01:43:20,201 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:43:20,201 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:43:20,201 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:43:20,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:43:20,202 INFO L82 PathProgramCache]: Analyzing trace with hash 902050314, now seen corresponding path program 1 times [2018-11-23 01:43:20,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:43:20,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:43:20,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:20,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:20,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:43:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 01:43:20,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:43:20,321 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:43:20,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:43:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:43:20,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:43:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:43:20,576 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:43:20,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 01:43:20,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 01:43:20,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 01:43:20,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:43:20,578 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 12 states. [2018-11-23 01:43:21,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:43:21,028 INFO L93 Difference]: Finished difference Result 523 states and 605 transitions. [2018-11-23 01:43:21,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:43:21,029 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-11-23 01:43:21,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:43:21,029 INFO L225 Difference]: With dead ends: 523 [2018-11-23 01:43:21,029 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:43:21,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 01:43:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:43:21,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:43:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:43:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:43:21,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-11-23 01:43:21,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:43:21,031 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:43:21,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 01:43:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:43:21,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:43:21,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:43:22,055 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2018-11-23 01:43:22,055 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2018-11-23 01:43:22,055 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2018-11-23 01:43:22,055 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2018-11-23 01:43:22,055 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2018-11-23 01:43:22,055 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2018-11-23 01:43:22,055 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2018-11-23 01:43:22,055 INFO L444 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-23 01:43:22,055 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,056 INFO L444 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,056 INFO L444 ceAbstractionStarter]: At program point L860-1(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L444 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,056 INFO L444 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,056 INFO L444 ceAbstractionStarter]: At program point L854-1(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2018-11-23 01:43:22,056 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1))) [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2018-11-23 01:43:22,057 INFO L451 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2018-11-23 01:43:22,057 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2018-11-23 01:43:22,057 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2018-11-23 01:43:22,058 INFO L444 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2018-11-23 01:43:22,058 INFO L444 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 01:43:22,058 INFO L444 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2018-11-23 01:43:22,058 INFO L444 ceAbstractionStarter]: At program point L532(line 532) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 01:43:22,058 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2018-11-23 01:43:22,058 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2018-11-23 01:43:22,058 INFO L444 ceAbstractionStarter]: At program point L929(lines 882 931) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,058 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,058 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,058 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L444 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,059 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L444 ceAbstractionStarter]: At program point L920-1(lines 912 927) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L444 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L444 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2018-11-23 01:43:22,059 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2018-11-23 01:43:22,060 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2018-11-23 01:43:22,060 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2018-11-23 01:43:22,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:43:22,060 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 01:43:22,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:43:22,060 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2018-11-23 01:43:22,060 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2018-11-23 01:43:22,060 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2018-11-23 01:43:22,060 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: true [2018-11-23 01:43:22,060 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2018-11-23 01:43:22,060 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2018-11-23 01:43:22,060 INFO L451 ceAbstractionStarter]: At program point L801(lines 776 805) the Hoare annotation is: true [2018-11-23 01:43:22,060 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2018-11-23 01:43:22,061 INFO L448 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2018-11-23 01:43:22,061 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2018-11-23 01:43:22,061 INFO L448 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2018-11-23 01:43:22,061 INFO L451 ceAbstractionStarter]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2018-11-23 01:43:22,061 INFO L448 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2018-11-23 01:43:22,061 INFO L451 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2018-11-23 01:43:22,061 INFO L451 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2018-11-23 01:43:22,061 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-11-23 01:43:22,061 INFO L444 ceAbstractionStarter]: At program point L507(line 507) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (< |old(~waterLevel~0)| 2)))) [2018-11-23 01:43:22,062 INFO L444 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-23 01:43:22,062 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2018-11-23 01:43:22,062 INFO L448 ceAbstractionStarter]: For program point L498(lines 497 516) no Hoare annotation was computed. [2018-11-23 01:43:22,062 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-23 01:43:22,062 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2018-11-23 01:43:22,062 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2018-11-23 01:43:22,062 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2018-11-23 01:43:22,062 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2018-11-23 01:43:22,062 INFO L448 ceAbstractionStarter]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2018-11-23 01:43:22,062 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2018-11-23 01:43:22,062 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2018-11-23 01:43:22,062 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:43:22,063 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-23 01:43:22,063 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:43:22,063 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:43:22,063 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2018-11-23 01:43:22,063 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: true [2018-11-23 01:43:22,063 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2018-11-23 01:43:22,063 INFO L448 ceAbstractionStarter]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2018-11-23 01:43:22,063 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2018-11-23 01:43:22,063 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2018-11-23 01:43:22,063 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 01:43:22,063 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 01:43:22,064 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 01:43:22,064 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 01:43:22,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:43:22 BoogieIcfgContainer [2018-11-23 01:43:22,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:43:22,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:43:22,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:43:22,073 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:43:22,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:18" (3/4) ... [2018-11-23 01:43:22,077 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:43:22,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 01:43:22,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 01:43:22,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 01:43:22,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:43:22,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 01:43:22,087 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 01:43:22,087 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:43:22,088 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:43:22,088 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:43:22,088 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:43:22,089 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:43:22,089 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:43:22,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 01:43:22,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 01:43:22,135 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8de94dae-1cb7-409a-9020-e391ff79c1b2/bin-2019/uautomizer/witness.graphml [2018-11-23 01:43:22,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:43:22,136 INFO L168 Benchmark]: Toolchain (without parser) took 4568.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.4 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -343.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:43:22,137 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:43:22,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:43:22,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.04 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. [2018-11-23 01:43:22,137 INFO L168 Benchmark]: Boogie Preprocessor took 29.73 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:43:22,137 INFO L168 Benchmark]: RCFGBuilder took 414.75 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:43:22,138 INFO L168 Benchmark]: TraceAbstraction took 3675.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -228.4 MB). Peak memory consumption was 365.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:43:22,138 INFO L168 Benchmark]: Witness Printer took 62.10 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:43:22,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.04 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 29.73 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 414.75 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3675.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -228.4 MB). Peak memory consumption was 365.8 MB. Max. memory is 11.5 GB. * Witness Printer took 62.10 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 743 SDtfs, 755 SDslu, 1645 SDs, 0 SdLazy, 987 SolverSat, 310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred 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, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 595 PreInvPairs, 638 NumberOfFragments, 742 HoareAnnotationTreeSize, 595 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 3143 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 61240 SizeOfPredicates, 3 NumberOfNonLiveVariables, 732 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/48 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...