./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_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_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:51:56,038 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:51:56,040 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:51:56,050 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:51:56,050 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:51:56,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:51:56,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:51:56,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:51:56,055 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:51:56,056 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:51:56,057 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:51:56,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:51:56,059 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:51:56,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:51:56,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:51:56,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:51:56,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:51:56,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:51:56,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:51:56,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:51:56,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:51:56,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:51:56,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:51:56,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:51:56,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:51:56,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:51:56,076 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:51:56,077 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:51:56,078 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:51:56,078 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:51:56,079 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:51:56,079 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:51:56,080 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:51:56,080 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:51:56,082 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:51:56,082 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:51:56,083 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:51:56,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:51:56,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:51:56,098 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:51:56,098 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:51:56,098 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:51:56,099 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:51:56,099 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:51:56,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:51:56,099 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:51:56,099 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:51:56,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:51:56,100 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:51:56,100 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:51:56,100 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:51:56,100 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:51:56,100 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:51:56,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:51:56,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:51:56,101 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:51:56,102 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:51:56,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:51:56,103 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:51:56,103 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:51:56,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:51:56,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:51:56,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:51:56,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:51:56,103 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:51:56,103 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:51:56,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:51:56,104 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_fc42fd24-1d16-4527-b5bc-ccf8d270989c/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-11-23 08:51:56,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:51:56,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:51:56,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:51:56,148 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:51:56,149 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:51:56,149 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-23 08:51:56,197 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/data/2dc3b0f77/83b4c25fd0b045b5805426a56efee925/FLAG29afb0380 [2018-11-23 08:51:56,621 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:51:56,621 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-23 08:51:56,631 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/data/2dc3b0f77/83b4c25fd0b045b5805426a56efee925/FLAG29afb0380 [2018-11-23 08:51:56,647 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/data/2dc3b0f77/83b4c25fd0b045b5805426a56efee925 [2018-11-23 08:51:56,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:51:56,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:51:56,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:51:56,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:51:56,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:51:56,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:51:56" (1/1) ... [2018-11-23 08:51:56,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:56, skipping insertion in model container [2018-11-23 08:51:56,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:51:56" (1/1) ... [2018-11-23 08:51:56,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:51:56,716 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:51:57,007 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:51:57,020 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:51:57,155 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:51:57,182 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:51:57,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57 WrapperNode [2018-11-23 08:51:57,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:51:57,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:51:57,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:51:57,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:51:57,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:51:57,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:51:57,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:51:57,222 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:51:57,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... [2018-11-23 08:51:57,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:51:57,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:51:57,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:51:57,262 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:51:57,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/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 08:51:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 08:51:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 08:51:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 08:51:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 08:51:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:51:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:51:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 08:51:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 08:51:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 08:51:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 08:51:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:51:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 08:51:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 08:51:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 08:51:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 08:51:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 08:51:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 08:51:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 08:51:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 08:51:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 08:51:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 08:51:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 08:51:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 08:51:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 08:51:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 08:51:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 08:51:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 08:51:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 08:51:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 08:51:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 08:51:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 08:51:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 08:51:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 08:51:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 08:51:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 08:51:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 08:51:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 08:51:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:51:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:51:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 08:51:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 08:51:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 08:51:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 08:51:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 08:51:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 08:51:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 08:51:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 08:51:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:51:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:51:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:51:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 08:51:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 08:51:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 08:51:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 08:51:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:51:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:51:57,852 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:51:57,852 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 08:51:57,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:51:57 BoogieIcfgContainer [2018-11-23 08:51:57,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:51:57,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:51:57,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:51:57,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:51:57,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:51:56" (1/3) ... [2018-11-23 08:51:57,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7090db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:51:57, skipping insertion in model container [2018-11-23 08:51:57,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:57" (2/3) ... [2018-11-23 08:51:57,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7090db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:51:57, skipping insertion in model container [2018-11-23 08:51:57,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:51:57" (3/3) ... [2018-11-23 08:51:57,860 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-23 08:51:57,872 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:51:57,880 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:51:57,897 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:51:57,930 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:51:57,931 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:51:57,931 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:51:57,931 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:51:57,931 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:51:57,932 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:51:57,932 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:51:57,932 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:51:57,932 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:51:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-23 08:51:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 08:51:57,962 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:51:57,962 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 08:51:57,965 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:51:57,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:51:57,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1321822426, now seen corresponding path program 1 times [2018-11-23 08:51:57,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:51:57,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:51:58,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:58,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:51:58,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:51:58,185 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 08:51:58,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:51:58,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:51:58,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:51:58,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:51:58,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:51:58,205 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-23 08:51:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:51:58,235 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2018-11-23 08:51:58,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:51:58,236 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 08:51:58,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:51:58,248 INFO L225 Difference]: With dead ends: 256 [2018-11-23 08:51:58,248 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 08:51:58,252 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 08:51:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 08:51:58,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 08:51:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 08:51:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-11-23 08:51:58,297 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2018-11-23 08:51:58,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:51:58,298 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-11-23 08:51:58,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:51:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-11-23 08:51:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 08:51:58,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:51:58,301 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 08:51:58,302 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:51:58,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:51:58,302 INFO L82 PathProgramCache]: Analyzing trace with hash -387356426, now seen corresponding path program 1 times [2018-11-23 08:51:58,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:51:58,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:51:58,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:58,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:51:58,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:51:58,408 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 08:51:58,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:51:58,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:51:58,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:51:58,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:51:58,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:51:58,414 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-11-23 08:51:58,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:51:58,435 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2018-11-23 08:51:58,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:51:58,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 08:51:58,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:51:58,439 INFO L225 Difference]: With dead ends: 199 [2018-11-23 08:51:58,439 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 08:51:58,441 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 08:51:58,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 08:51:58,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 08:51:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 08:51:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-11-23 08:51:58,452 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2018-11-23 08:51:58,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:51:58,452 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-11-23 08:51:58,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:51:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-11-23 08:51:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 08:51:58,454 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:51:58,454 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] [2018-11-23 08:51:58,454 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:51:58,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:51:58,455 INFO L82 PathProgramCache]: Analyzing trace with hash -198886752, now seen corresponding path program 1 times [2018-11-23 08:51:58,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:51:58,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:51:58,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:58,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:51:58,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:51:58,589 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 08:51:58,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:51:58,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:51:58,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:51:58,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:51:58,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:51:58,590 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-11-23 08:51:58,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:51:58,936 INFO L93 Difference]: Finished difference Result 359 states and 435 transitions. [2018-11-23 08:51:58,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:51:58,937 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 08:51:58,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:51:58,940 INFO L225 Difference]: With dead ends: 359 [2018-11-23 08:51:58,941 INFO L226 Difference]: Without dead ends: 264 [2018-11-23 08:51:58,942 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 08:51:58,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-11-23 08:51:58,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2018-11-23 08:51:58,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-23 08:51:58,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2018-11-23 08:51:58,974 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2018-11-23 08:51:58,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:51:58,975 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2018-11-23 08:51:58,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:51:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2018-11-23 08:51:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 08:51:58,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:51:58,977 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 08:51:58,977 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:51:58,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:51:58,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1454594941, now seen corresponding path program 1 times [2018-11-23 08:51:58,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:51:58,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:51:58,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:58,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:51:58,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:51:59,124 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 08:51:59,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:51:59,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 08:51:59,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:51:59,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:51:59,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:51:59,126 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 10 states. [2018-11-23 08:51:59,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:51:59,570 INFO L93 Difference]: Finished difference Result 904 states and 1159 transitions. [2018-11-23 08:51:59,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 08:51:59,570 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-23 08:51:59,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:51:59,575 INFO L225 Difference]: With dead ends: 904 [2018-11-23 08:51:59,576 INFO L226 Difference]: Without dead ends: 672 [2018-11-23 08:51:59,577 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 08:51:59,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-23 08:51:59,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2018-11-23 08:51:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2018-11-23 08:51:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 820 transitions. [2018-11-23 08:51:59,626 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 820 transitions. Word has length 57 [2018-11-23 08:51:59,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:51:59,626 INFO L480 AbstractCegarLoop]: Abstraction has 660 states and 820 transitions. [2018-11-23 08:51:59,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:51:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2018-11-23 08:51:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 08:51:59,629 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:51:59,629 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 08:51:59,630 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:51:59,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:51:59,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1330838115, now seen corresponding path program 1 times [2018-11-23 08:51:59,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:51:59,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:51:59,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:59,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:51:59,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:51:59,720 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 08:51:59,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:51:59,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:51:59,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:51:59,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:51:59,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:51:59,722 INFO L87 Difference]: Start difference. First operand 660 states and 820 transitions. Second operand 4 states. [2018-11-23 08:51:59,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:51:59,819 INFO L93 Difference]: Finished difference Result 1062 states and 1360 transitions. [2018-11-23 08:51:59,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:51:59,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 08:51:59,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:51:59,823 INFO L225 Difference]: With dead ends: 1062 [2018-11-23 08:51:59,823 INFO L226 Difference]: Without dead ends: 426 [2018-11-23 08:51:59,824 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 08:51:59,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-11-23 08:51:59,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 414. [2018-11-23 08:51:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-11-23 08:51:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2018-11-23 08:51:59,847 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 61 [2018-11-23 08:51:59,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:51:59,848 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2018-11-23 08:51:59,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:51:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2018-11-23 08:51:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 08:51:59,850 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:51:59,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:51:59,850 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:51:59,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:51:59,850 INFO L82 PathProgramCache]: Analyzing trace with hash -700059820, now seen corresponding path program 1 times [2018-11-23 08:51:59,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:51:59,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:51:59,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:59,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:51:59,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:51:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:51:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 08:51:59,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:51:59,949 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/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 08:51:59,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:52:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:52:00,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:52:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 08:52:00,179 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:52:00,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 08:52:00,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 08:52:00,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 08:52:00,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-23 08:52:00,181 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 12 states. [2018-11-23 08:52:00,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:52:00,581 INFO L93 Difference]: Finished difference Result 547 states and 629 transitions. [2018-11-23 08:52:00,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:52:00,582 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-23 08:52:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:52:00,583 INFO L225 Difference]: With dead ends: 547 [2018-11-23 08:52:00,583 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:52:00,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 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 08:52:00,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:52:00,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:52:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:52:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:52:00,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-23 08:52:00,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:52:00,587 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:52:00,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 08:52:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:52:00,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:52:00,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:52:01,985 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-23 08:52:01,985 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-23 08:52:01,986 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-23 08:52:01,986 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-23 08:52:01,986 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-23 08:52:01,986 INFO L448 ceAbstractionStarter]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2018-11-23 08:52:01,986 INFO L451 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: true [2018-11-23 08:52:01,986 INFO L448 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-11-23 08:52:01,986 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2018-11-23 08:52:01,986 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2018-11-23 08:52:01,986 INFO L444 ceAbstractionStarter]: At program point L936(line 936) 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 08:52:01,986 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2018-11-23 08:52:01,986 INFO L444 ceAbstractionStarter]: At program point L932(line 932) 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 08:52:01,986 INFO L448 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2018-11-23 08:52:01,986 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 943) no Hoare annotation was computed. [2018-11-23 08:52:01,987 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-23 08:52:01,987 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-23 08:52:01,987 INFO L444 ceAbstractionStarter]: At program point L127(line 127) 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 08:52:01,987 INFO L444 ceAbstractionStarter]: At program point L126(line 126) 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 08:52:01,987 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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 08:52:01,987 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) 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 08:52:01,987 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-23 08:52:01,987 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-23 08:52:01,987 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:52:01,987 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:52:01,988 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-23 08:52:01,988 INFO L444 ceAbstractionStarter]: At program point L765(line 765) 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 08:52:01,988 INFO L448 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2018-11-23 08:52:01,988 INFO L444 ceAbstractionStarter]: At program point L760(line 760) 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 08:52:01,988 INFO L444 ceAbstractionStarter]: At program point L756(line 756) 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 08:52:01,988 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2018-11-23 08:52:01,988 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) 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 08:52:01,989 INFO L444 ceAbstractionStarter]: At program point L752(line 752) 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 08:52:01,989 INFO L448 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2018-11-23 08:52:01,989 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2018-11-23 08:52:01,989 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2018-11-23 08:52:01,989 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2018-11-23 08:52:01,989 INFO L444 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-11-23 08:52:01,989 INFO L448 ceAbstractionStarter]: For program point L909(lines 909 915) no Hoare annotation was computed. [2018-11-23 08:52:01,989 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 905 919) 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 08:52:01,990 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2018-11-23 08:52:01,990 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2018-11-23 08:52:01,990 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2018-11-23 08:52:01,990 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2018-11-23 08:52:01,990 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2018-11-23 08:52:01,990 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-23 08:52:01,990 INFO L448 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2018-11-23 08:52:01,990 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-23 08:52:01,990 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2018-11-23 08:52:01,990 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2018-11-23 08:52:01,991 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2018-11-23 08:52:01,991 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-23 08:52:01,991 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-23 08:52:01,991 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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 08:52:01,991 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-23 08:52:01,991 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-23 08:52:01,991 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2018-11-23 08:52:01,991 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2018-11-23 08:52:01,991 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2018-11-23 08:52:01,992 INFO L451 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-23 08:52:01,992 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-23 08:52:01,992 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2018-11-23 08:52:01,992 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2018-11-23 08:52:01,992 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2018-11-23 08:52:01,992 INFO L444 ceAbstractionStarter]: At program point L791(line 791) 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 08:52:01,992 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2018-11-23 08:52:01,992 INFO L448 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2018-11-23 08:52:01,993 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) 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 08:52:01,993 INFO L444 ceAbstractionStarter]: At program point L786(line 786) 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 08:52:01,993 INFO L444 ceAbstractionStarter]: At program point L782(line 782) 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 08:52:01,993 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2018-11-23 08:52:01,993 INFO L444 ceAbstractionStarter]: At program point L778(line 778) 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 08:52:01,993 INFO L448 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2018-11-23 08:52:01,993 INFO L448 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2018-11-23 08:52:01,993 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2018-11-23 08:52:01,993 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2018-11-23 08:52:01,994 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 640 705) 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 08:52:01,994 INFO L444 ceAbstractionStarter]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:52:01,994 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2018-11-23 08:52:01,994 INFO L444 ceAbstractionStarter]: At program point L688(line 688) 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 08:52:01,994 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2018-11-23 08:52:01,994 INFO L444 ceAbstractionStarter]: At program point L686-1(lines 680 693) 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 08:52:01,994 INFO L448 ceAbstractionStarter]: For program point L651(lines 650 697) no Hoare annotation was computed. [2018-11-23 08:52:01,995 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 693) no Hoare annotation was computed. [2018-11-23 08:52:01,995 INFO L444 ceAbstractionStarter]: At program point L672(line 672) 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 08:52:01,995 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 676) no Hoare annotation was computed. [2018-11-23 08:52:01,995 INFO L448 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2018-11-23 08:52:01,995 INFO L444 ceAbstractionStarter]: At program point L695(lines 650 697) 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 08:52:01,995 INFO L444 ceAbstractionStarter]: At program point L662(line 662) 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 08:52:01,995 INFO L448 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2018-11-23 08:52:01,995 INFO L448 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2018-11-23 08:52:01,996 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2018-11-23 08:52:01,996 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2018-11-23 08:52:01,996 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2018-11-23 08:52:01,996 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2018-11-23 08:52:01,996 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2018-11-23 08:52:01,996 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:52:01,996 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 08:52:01,996 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:52:01,997 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2018-11-23 08:52:01,997 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2018-11-23 08:52:01,997 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2018-11-23 08:52:01,997 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: true [2018-11-23 08:52:01,997 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2018-11-23 08:52:01,997 INFO L448 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2018-11-23 08:52:01,997 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2018-11-23 08:52:01,997 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2018-11-23 08:52:01,997 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2018-11-23 08:52:01,997 INFO L444 ceAbstractionStarter]: At program point L727(line 727) 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 08:52:01,998 INFO L444 ceAbstractionStarter]: At program point L725(lines 725 731) 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 08:52:01,998 INFO L444 ceAbstractionStarter]: At program point L720(line 720) 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 08:52:01,998 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 714 737) 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 08:52:01,998 INFO L448 ceAbstractionStarter]: For program point L718(lines 717 736) no Hoare annotation was computed. [2018-11-23 08:52:01,998 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2018-11-23 08:52:01,998 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2018-11-23 08:52:01,998 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 08:52:01,998 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 08:52:01,998 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 08:52:01,998 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 08:52:01,998 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 08:52:01,998 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 08:52:01,998 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 08:52:01,998 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 08:52:01,998 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 08:52:01,999 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 08:52:01,999 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2018-11-23 08:52:01,999 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2018-11-23 08:52:01,999 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2018-11-23 08:52:01,999 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 08:52:01,999 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 08:52:01,999 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:52:01,999 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 08:52:01,999 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:52:01,999 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:52:01,999 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2018-11-23 08:52:01,999 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2018-11-23 08:52:01,999 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 564 575) 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 08:52:01,999 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2018-11-23 08:52:02,000 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2018-11-23 08:52:02,000 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2018-11-23 08:52:02,000 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2018-11-23 08:52:02,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:52:02 BoogieIcfgContainer [2018-11-23 08:52:02,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:52:02,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:52:02,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:52:02,010 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:52:02,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:51:57" (3/4) ... [2018-11-23 08:52:02,014 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:52:02,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 08:52:02,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 08:52:02,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 08:52:02,028 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 08:52:02,028 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 08:52:02,028 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:52:02,029 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:52:02,029 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:52:02,029 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:52:02,030 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:52:02,051 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 08:52:02,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 08:52:02,084 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fc42fd24-1d16-4527-b5bc-ccf8d270989c/bin-2019/uautomizer/witness.graphml [2018-11-23 08:52:02,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:52:02,085 INFO L168 Benchmark]: Toolchain (without parser) took 5433.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 956.4 MB in the beginning and 863.1 MB in the end (delta: 93.3 MB). Peak memory consumption was 267.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:52:02,085 INFO L168 Benchmark]: CDTParser took 0.14 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 08:52:02,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:52:02,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:52:02,086 INFO L168 Benchmark]: Boogie Preprocessor took 38.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:52:02,086 INFO L168 Benchmark]: RCFGBuilder took 591.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:52:02,087 INFO L168 Benchmark]: TraceAbstraction took 4156.16 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.0 GB in the beginning and 868.2 MB in the end (delta: 180.3 MB). Peak memory consumption was 245.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:52:02,087 INFO L168 Benchmark]: Witness Printer took 74.02 ms. Allocated memory is still 1.2 GB. Free memory was 868.2 MB in the beginning and 863.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:52:02,089 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 530.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 591.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4156.16 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.0 GB in the beginning and 868.2 MB in the end (delta: 180.3 MB). Peak memory consumption was 245.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.02 ms. Allocated memory is still 1.2 GB. Free memory was 868.2 MB in the beginning and 863.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 827 SDtfs, 736 SDslu, 2019 SDs, 0 SdLazy, 1087 SolverSat, 234 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred 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, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 778 PreInvPairs, 819 NumberOfFragments, 858 HoareAnnotationTreeSize, 778 FomulaSimplifications, 652 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 3412 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 60169 SizeOfPredicates, 3 NumberOfNonLiveVariables, 725 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 41/46 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...