./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:19:45,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:19:45,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:19:45,010 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:19:45,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:19:45,011 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:19:45,012 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:19:45,013 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:19:45,014 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:19:45,015 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:19:45,015 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:19:45,016 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:19:45,016 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:19:45,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:19:45,017 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:19:45,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:19:45,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:19:45,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:19:45,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:19:45,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:19:45,022 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:19:45,023 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:19:45,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:19:45,025 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:19:45,025 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:19:45,025 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:19:45,026 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:19:45,026 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:19:45,026 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:19:45,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:19:45,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:19:45,028 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:19:45,028 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:19:45,028 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:19:45,029 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:19:45,029 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:19:45,029 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 15:19:45,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:19:45,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:19:45,039 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:19:45,039 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:19:45,040 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:19:45,040 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:19:45,040 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:19:45,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:19:45,040 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:19:45,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:19:45,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:19:45,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:19:45,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:19:45,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:19:45,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:19:45,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:19:45,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:19:45,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:19:45,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:19:45,042 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:19:45,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:19:45,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:19:45,043 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_f5cd5024-6c00-41a0-b87c-168b85de9266/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-11-18 15:19:45,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:19:45,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:19:45,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:19:45,078 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:19:45,079 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:19:45,079 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-18 15:19:45,124 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/data/0ebd6b360/8f268aa12cc34c5ab77ddc405ae10f24/FLAG8464f0f1d [2018-11-18 15:19:45,557 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:19:45,557 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-18 15:19:45,564 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/data/0ebd6b360/8f268aa12cc34c5ab77ddc405ae10f24/FLAG8464f0f1d [2018-11-18 15:19:45,573 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/data/0ebd6b360/8f268aa12cc34c5ab77ddc405ae10f24 [2018-11-18 15:19:45,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:19:45,576 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:19:45,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:45,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:19:45,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:19:45,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:45,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45, skipping insertion in model container [2018-11-18 15:19:45,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:45,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:19:45,617 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:19:45,820 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:45,828 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:19:45,927 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:45,945 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:19:45,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45 WrapperNode [2018-11-18 15:19:45,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:45,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:19:45,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:19:45,946 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:19:45,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:45,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:45,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:45,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:45,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:45,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:46,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (1/1) ... [2018-11-18 15:19:46,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:19:46,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:19:46,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:19:46,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:19:46,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/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 [2018-11-18 15:19:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:19:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:19:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 15:19:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 15:19:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 15:19:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 15:19:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 15:19:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 15:19:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:19:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 15:19:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:19:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:19:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:19:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 15:19:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:19:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:19:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:19:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 15:19:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 15:19:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:19:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:19:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:19:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:19:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:19:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:19:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 15:19:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:19:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:19:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:19:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:19:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:19:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:19:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:19:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 15:19:46,740 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:19:46,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:46 BoogieIcfgContainer [2018-11-18 15:19:46,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:19:46,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:19:46,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:19:46,744 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:19:46,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:19:45" (1/3) ... [2018-11-18 15:19:46,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b96be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:19:46, skipping insertion in model container [2018-11-18 15:19:46,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:45" (2/3) ... [2018-11-18 15:19:46,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b96be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:19:46, skipping insertion in model container [2018-11-18 15:19:46,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:46" (3/3) ... [2018-11-18 15:19:46,746 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-18 15:19:46,752 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:19:46,758 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:19:46,768 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:19:46,790 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:19:46,791 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:19:46,791 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:19:46,791 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:19:46,791 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:19:46,791 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:19:46,791 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:19:46,791 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:19:46,792 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:19:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2018-11-18 15:19:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 15:19:46,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:46,814 INFO L375 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] [2018-11-18 15:19:46,816 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:46,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:46,821 INFO L82 PathProgramCache]: Analyzing trace with hash -231476762, now seen corresponding path program 1 times [2018-11-18 15:19:46,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:46,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:46,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:46,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:46,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:47,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:47,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:19:47,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:19:47,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:19:47,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:19:47,045 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2018-11-18 15:19:47,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:47,076 INFO L93 Difference]: Finished difference Result 310 states and 387 transitions. [2018-11-18 15:19:47,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:19:47,077 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 15:19:47,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:47,085 INFO L225 Difference]: With dead ends: 310 [2018-11-18 15:19:47,085 INFO L226 Difference]: Without dead ends: 157 [2018-11-18 15:19:47,088 INFO L604 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 [2018-11-18 15:19:47,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-18 15:19:47,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-18 15:19:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-18 15:19:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 187 transitions. [2018-11-18 15:19:47,122 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 187 transitions. Word has length 51 [2018-11-18 15:19:47,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:47,122 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 187 transitions. [2018-11-18 15:19:47,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:19:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 187 transitions. [2018-11-18 15:19:47,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:19:47,125 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:47,125 INFO L375 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] [2018-11-18 15:19:47,125 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:47,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:47,125 INFO L82 PathProgramCache]: Analyzing trace with hash -358458304, now seen corresponding path program 1 times [2018-11-18 15:19:47,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:47,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:47,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:47,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:47,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:47,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:47,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:19:47,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:19:47,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:19:47,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:19:47,223 INFO L87 Difference]: Start difference. First operand 157 states and 187 transitions. Second operand 3 states. [2018-11-18 15:19:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:47,243 INFO L93 Difference]: Finished difference Result 257 states and 307 transitions. [2018-11-18 15:19:47,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:19:47,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 15:19:47,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:47,247 INFO L225 Difference]: With dead ends: 257 [2018-11-18 15:19:47,247 INFO L226 Difference]: Without dead ends: 147 [2018-11-18 15:19:47,248 INFO L604 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 [2018-11-18 15:19:47,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-18 15:19:47,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-18 15:19:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 15:19:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2018-11-18 15:19:47,261 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 53 [2018-11-18 15:19:47,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:47,261 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2018-11-18 15:19:47,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:19:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2018-11-18 15:19:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 15:19:47,263 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:47,263 INFO L375 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] [2018-11-18 15:19:47,264 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:47,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:47,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1837974113, now seen corresponding path program 1 times [2018-11-18 15:19:47,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:47,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:47,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:47,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:47,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:47,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:47,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:19:47,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:19:47,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:19:47,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:47,369 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 7 states. [2018-11-18 15:19:47,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:47,655 INFO L93 Difference]: Finished difference Result 266 states and 321 transitions. [2018-11-18 15:19:47,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:19:47,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 15:19:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:47,657 INFO L225 Difference]: With dead ends: 266 [2018-11-18 15:19:47,657 INFO L226 Difference]: Without dead ends: 147 [2018-11-18 15:19:47,658 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:19:47,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-18 15:19:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-18 15:19:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 15:19:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 173 transitions. [2018-11-18 15:19:47,669 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 173 transitions. Word has length 57 [2018-11-18 15:19:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:47,669 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 173 transitions. [2018-11-18 15:19:47,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:19:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-11-18 15:19:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 15:19:47,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:47,671 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:47,672 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:47,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:47,672 INFO L82 PathProgramCache]: Analyzing trace with hash -876872190, now seen corresponding path program 1 times [2018-11-18 15:19:47,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:47,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:47,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:47,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:47,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:47,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:47,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:19:47,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:19:47,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:19:47,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:19:47,757 INFO L87 Difference]: Start difference. First operand 147 states and 173 transitions. Second operand 5 states. [2018-11-18 15:19:48,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:48,140 INFO L93 Difference]: Finished difference Result 379 states and 462 transitions. [2018-11-18 15:19:48,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:19:48,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-18 15:19:48,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:48,142 INFO L225 Difference]: With dead ends: 379 [2018-11-18 15:19:48,142 INFO L226 Difference]: Without dead ends: 260 [2018-11-18 15:19:48,143 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:19:48,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-11-18 15:19:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 241. [2018-11-18 15:19:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-18 15:19:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 276 transitions. [2018-11-18 15:19:48,165 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 276 transitions. Word has length 75 [2018-11-18 15:19:48,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:48,165 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 276 transitions. [2018-11-18 15:19:48,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:19:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 276 transitions. [2018-11-18 15:19:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 15:19:48,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:48,167 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:48,168 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:48,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:48,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1007145043, now seen corresponding path program 1 times [2018-11-18 15:19:48,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:48,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:48,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:48,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:48,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:48,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:48,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:19:48,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:19:48,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:19:48,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:19:48,258 INFO L87 Difference]: Start difference. First operand 241 states and 276 transitions. Second operand 6 states. [2018-11-18 15:19:48,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:48,387 INFO L93 Difference]: Finished difference Result 649 states and 764 transitions. [2018-11-18 15:19:48,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:19:48,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 15:19:48,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:48,390 INFO L225 Difference]: With dead ends: 649 [2018-11-18 15:19:48,390 INFO L226 Difference]: Without dead ends: 436 [2018-11-18 15:19:48,391 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:19:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-11-18 15:19:48,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 430. [2018-11-18 15:19:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2018-11-18 15:19:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 492 transitions. [2018-11-18 15:19:48,414 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 492 transitions. Word has length 89 [2018-11-18 15:19:48,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:48,414 INFO L480 AbstractCegarLoop]: Abstraction has 430 states and 492 transitions. [2018-11-18 15:19:48,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:19:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 492 transitions. [2018-11-18 15:19:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 15:19:48,415 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:48,415 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:48,416 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:48,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:48,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1021413897, now seen corresponding path program 1 times [2018-11-18 15:19:48,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:48,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:48,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:48,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:48,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:48,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:48,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:19:48,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:19:48,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:19:48,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:48,500 INFO L87 Difference]: Start difference. First operand 430 states and 492 transitions. Second operand 7 states. [2018-11-18 15:19:48,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:48,954 INFO L93 Difference]: Finished difference Result 863 states and 1010 transitions. [2018-11-18 15:19:48,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:19:48,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-18 15:19:48,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:48,956 INFO L225 Difference]: With dead ends: 863 [2018-11-18 15:19:48,956 INFO L226 Difference]: Without dead ends: 461 [2018-11-18 15:19:48,957 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:19:48,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-11-18 15:19:48,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 429. [2018-11-18 15:19:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-11-18 15:19:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 489 transitions. [2018-11-18 15:19:48,981 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 489 transitions. Word has length 93 [2018-11-18 15:19:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:48,981 INFO L480 AbstractCegarLoop]: Abstraction has 429 states and 489 transitions. [2018-11-18 15:19:48,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:19:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 489 transitions. [2018-11-18 15:19:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 15:19:48,983 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:48,983 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:48,983 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:48,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:48,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1619387682, now seen corresponding path program 1 times [2018-11-18 15:19:48,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:48,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:48,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:48,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:48,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:19:49,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:49,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:19:49,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:19:49,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:19:49,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:19:49,066 INFO L87 Difference]: Start difference. First operand 429 states and 489 transitions. Second operand 6 states. [2018-11-18 15:19:49,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:49,092 INFO L93 Difference]: Finished difference Result 844 states and 986 transitions. [2018-11-18 15:19:49,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:19:49,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-18 15:19:49,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:49,094 INFO L225 Difference]: With dead ends: 844 [2018-11-18 15:19:49,094 INFO L226 Difference]: Without dead ends: 443 [2018-11-18 15:19:49,095 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:49,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-11-18 15:19:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 439. [2018-11-18 15:19:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-11-18 15:19:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 499 transitions. [2018-11-18 15:19:49,111 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 499 transitions. Word has length 109 [2018-11-18 15:19:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:49,111 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 499 transitions. [2018-11-18 15:19:49,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:19:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 499 transitions. [2018-11-18 15:19:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 15:19:49,113 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:49,113 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:49,113 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:49,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:49,113 INFO L82 PathProgramCache]: Analyzing trace with hash -736417568, now seen corresponding path program 1 times [2018-11-18 15:19:49,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:49,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:49,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:49,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:49,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:19:49,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:49,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:19:49,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:19:49,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:19:49,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:19:49,186 INFO L87 Difference]: Start difference. First operand 439 states and 499 transitions. Second operand 8 states. [2018-11-18 15:19:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:49,210 INFO L93 Difference]: Finished difference Result 864 states and 1008 transitions. [2018-11-18 15:19:49,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:19:49,211 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-11-18 15:19:49,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:49,212 INFO L225 Difference]: With dead ends: 864 [2018-11-18 15:19:49,213 INFO L226 Difference]: Without dead ends: 453 [2018-11-18 15:19:49,213 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:19:49,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-11-18 15:19:49,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 447. [2018-11-18 15:19:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-11-18 15:19:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 507 transitions. [2018-11-18 15:19:49,228 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 507 transitions. Word has length 109 [2018-11-18 15:19:49,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:49,229 INFO L480 AbstractCegarLoop]: Abstraction has 447 states and 507 transitions. [2018-11-18 15:19:49,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:19:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 507 transitions. [2018-11-18 15:19:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 15:19:49,230 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:49,230 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:49,231 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:49,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:49,231 INFO L82 PathProgramCache]: Analyzing trace with hash 32752447, now seen corresponding path program 1 times [2018-11-18 15:19:49,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:49,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:49,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:49,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:49,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:19:49,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:49,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:19:49,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:19:49,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:19:49,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:19:49,292 INFO L87 Difference]: Start difference. First operand 447 states and 507 transitions. Second operand 4 states. [2018-11-18 15:19:49,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:49,442 INFO L93 Difference]: Finished difference Result 1320 states and 1574 transitions. [2018-11-18 15:19:49,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:19:49,442 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-18 15:19:49,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:49,445 INFO L225 Difference]: With dead ends: 1320 [2018-11-18 15:19:49,445 INFO L226 Difference]: Without dead ends: 901 [2018-11-18 15:19:49,446 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:19:49,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2018-11-18 15:19:49,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 886. [2018-11-18 15:19:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-11-18 15:19:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1035 transitions. [2018-11-18 15:19:49,473 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1035 transitions. Word has length 109 [2018-11-18 15:19:49,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:49,473 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1035 transitions. [2018-11-18 15:19:49,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:19:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1035 transitions. [2018-11-18 15:19:49,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 15:19:49,475 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:49,475 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:49,476 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:49,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:49,476 INFO L82 PathProgramCache]: Analyzing trace with hash -670767527, now seen corresponding path program 1 times [2018-11-18 15:19:49,476 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:49,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:49,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:49,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:49,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:19:49,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:49,570 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/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 [2018-11-18 15:19:49,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:49,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:49,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:19:49,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 15:19:49,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 15:19:49,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 15:19:49,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:19:49,808 INFO L87 Difference]: Start difference. First operand 886 states and 1035 transitions. Second operand 19 states. [2018-11-18 15:19:50,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:50,645 INFO L93 Difference]: Finished difference Result 1711 states and 2022 transitions. [2018-11-18 15:19:50,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 15:19:50,646 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 113 [2018-11-18 15:19:50,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:50,648 INFO L225 Difference]: With dead ends: 1711 [2018-11-18 15:19:50,648 INFO L226 Difference]: Without dead ends: 853 [2018-11-18 15:19:50,650 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-18 15:19:50,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2018-11-18 15:19:50,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2018-11-18 15:19:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2018-11-18 15:19:50,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 981 transitions. [2018-11-18 15:19:50,678 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 981 transitions. Word has length 113 [2018-11-18 15:19:50,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:50,678 INFO L480 AbstractCegarLoop]: Abstraction has 853 states and 981 transitions. [2018-11-18 15:19:50,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 15:19:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 981 transitions. [2018-11-18 15:19:50,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:19:50,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:50,681 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:50,681 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:50,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:50,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1116428321, now seen corresponding path program 1 times [2018-11-18 15:19:50,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:50,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:50,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:50,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:50,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 15:19:50,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:50,759 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:19:50,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:50,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 15:19:50,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:19:50,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-18 15:19:50,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:19:50,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:19:50,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:19:50,926 INFO L87 Difference]: Start difference. First operand 853 states and 981 transitions. Second operand 6 states. [2018-11-18 15:19:51,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:51,447 INFO L93 Difference]: Finished difference Result 1837 states and 2211 transitions. [2018-11-18 15:19:51,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:19:51,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-11-18 15:19:51,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:51,451 INFO L225 Difference]: With dead ends: 1837 [2018-11-18 15:19:51,451 INFO L226 Difference]: Without dead ends: 1144 [2018-11-18 15:19:51,453 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:19:51,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2018-11-18 15:19:51,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1038. [2018-11-18 15:19:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2018-11-18 15:19:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1213 transitions. [2018-11-18 15:19:51,490 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1213 transitions. Word has length 187 [2018-11-18 15:19:51,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:51,490 INFO L480 AbstractCegarLoop]: Abstraction has 1038 states and 1213 transitions. [2018-11-18 15:19:51,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:19:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1213 transitions. [2018-11-18 15:19:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 15:19:51,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:51,494 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:51,494 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:51,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:51,494 INFO L82 PathProgramCache]: Analyzing trace with hash 735299013, now seen corresponding path program 1 times [2018-11-18 15:19:51,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:19:51,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:19:51,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:51,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:51,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 15:19:51,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:51,611 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:19:51,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:51,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:19:51,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:19:51,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 15:19:51,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 15:19:51,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 15:19:51,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:19:51,796 INFO L87 Difference]: Start difference. First operand 1038 states and 1213 transitions. Second operand 19 states. [2018-11-18 15:19:52,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:52,600 INFO L93 Difference]: Finished difference Result 1779 states and 2117 transitions. [2018-11-18 15:19:52,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 15:19:52,600 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 183 [2018-11-18 15:19:52,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:52,601 INFO L225 Difference]: With dead ends: 1779 [2018-11-18 15:19:52,601 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:19:52,604 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-18 15:19:52,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:19:52,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:19:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:19:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:19:52,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2018-11-18 15:19:52,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:52,605 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:19:52,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 15:19:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:19:52,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:19:52,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:19:52,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:52,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:54,367 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2018-11-18 15:19:54,710 INFO L425 ceAbstractionStarter]: For program point L286(lines 263 287) no Hoare annotation was computed. [2018-11-18 15:19:54,710 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 239 294) no Hoare annotation was computed. [2018-11-18 15:19:54,710 INFO L425 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2018-11-18 15:19:54,710 INFO L425 ceAbstractionStarter]: For program point L270-1(lines 270 274) no Hoare annotation was computed. [2018-11-18 15:19:54,710 INFO L425 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L264-1(lines 264 285) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 239 294) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L264-3(lines 264 285) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 239 294) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L347(lines 320 348) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 295 354) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 295 354) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 327 331) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L321-1(lines 321 346) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L321-3(lines 321 346) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 295 354) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2018-11-18 15:19:54,711 INFO L425 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2018-11-18 15:19:54,712 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2018-11-18 15:19:54,712 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2018-11-18 15:19:54,712 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2018-11-18 15:19:54,712 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2018-11-18 15:19:54,712 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2018-11-18 15:19:54,712 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,712 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2018-11-18 15:19:54,712 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,712 INFO L421 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,712 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,713 INFO L421 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,713 INFO L421 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 117 140) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 117 140) no Hoare annotation was computed. [2018-11-18 15:19:54,713 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 117 140) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L421 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-18 15:19:54,714 INFO L425 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2018-11-18 15:19:54,714 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:19:54,714 INFO L421 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 15:19:54,715 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2018-11-18 15:19:54,715 INFO L421 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 15:19:54,715 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-11-18 15:19:54,715 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 15:19:54,715 INFO L425 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-11-18 15:19:54,715 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-11-18 15:19:54,715 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2018-11-18 15:19:54,715 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2018-11-18 15:19:54,715 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2018-11-18 15:19:54,715 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2018-11-18 15:19:54,715 INFO L425 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2018-11-18 15:19:54,715 INFO L428 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2018-11-18 15:19:54,715 INFO L425 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point L956(lines 956 964) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point L956-2(lines 956 964) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point L944(lines 944 952) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 937 972) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 937 972) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 937 972) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 193 238) no Hoare annotation was computed. [2018-11-18 15:19:54,716 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 193 238) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 193 238) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 506 551) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 506 551) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point L520(lines 520 540) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 520 540) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 506 551) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L421 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,717 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2018-11-18 15:19:54,717 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2018-11-18 15:19:54,718 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2018-11-18 15:19:54,718 INFO L428 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-11-18 15:19:54,718 INFO L425 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-11-18 15:19:54,718 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2018-11-18 15:19:54,718 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:19:54,718 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2018-11-18 15:19:54,718 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2018-11-18 15:19:54,718 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-11-18 15:19:54,718 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2018-11-18 15:19:54,718 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2018-11-18 15:19:54,718 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2018-11-18 15:19:54,718 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-11-18 15:19:54,719 INFO L425 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-18 15:19:54,719 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2018-11-18 15:19:54,719 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2018-11-18 15:19:54,719 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-18 15:19:54,719 INFO L421 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-18 15:19:54,719 INFO L425 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2018-11-18 15:19:54,719 INFO L421 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-18 15:19:54,719 INFO L421 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:19:54,719 INFO L425 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2018-11-18 15:19:54,719 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2018-11-18 15:19:54,720 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2018-11-18 15:19:54,720 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-11-18 15:19:54,720 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,720 INFO L425 ceAbstractionStarter]: For program point L607-1(lines 607 652) no Hoare annotation was computed. [2018-11-18 15:19:54,720 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2018-11-18 15:19:54,720 INFO L421 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:54,720 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2018-11-18 15:19:54,720 INFO L421 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 15:19:54,720 INFO L425 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2018-11-18 15:19:54,720 INFO L425 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2018-11-18 15:19:54,720 INFO L421 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 15:19:54,720 INFO L425 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L421 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0))) [2018-11-18 15:19:54,721 INFO L421 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point L480(lines 480 487) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point L474(lines 474 494) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 460 505) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 460 505) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 460 505) no Hoare annotation was computed. [2018-11-18 15:19:54,721 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:19:54,721 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L421 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L428 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2018-11-18 15:19:54,722 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-18 15:19:54,722 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:19:54,723 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 714 736) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 714 736) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 714 736) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 357 459) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point L407(lines 406 426) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point L438-1(line 438) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 444) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 15:19:54,723 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 357 459) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point L422-1(line 422) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point L445(lines 445 456) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 412) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 406 426) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point L406-3(lines 406 426) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 357 459) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point L427(lines 405 428) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 402) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 563 572) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 563 572) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 563 572) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:19:54,724 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:19:54,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L421 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 15:19:54,725 INFO L421 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= activatePump_~tmp~9 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 737 745) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 737 745) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 737 745) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2018-11-18 15:19:54,725 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2018-11-18 15:19:54,725 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L428 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2018-11-18 15:19:54,726 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2018-11-18 15:19:54,727 INFO L421 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse3))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-18 15:19:54,727 INFO L421 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= ~systemActive~0 1)))) (and (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) (and .cse2 .cse3) .cse4 (not (= ~methaneLevelCritical~0 0)) (and .cse2 .cse1))) (or .cse0 (or .cse5 (not (= 0 |old(~pumpRunning~0)|)) .cse4)) (or .cse3 .cse5 .cse4))) [2018-11-18 15:19:54,727 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:19:54,727 INFO L421 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:19:54,727 INFO L425 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2018-11-18 15:19:54,727 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2018-11-18 15:19:54,727 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2018-11-18 15:19:54,727 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2018-11-18 15:19:54,727 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-18 15:19:54,727 INFO L425 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-11-18 15:19:54,727 INFO L428 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2018-11-18 15:19:54,727 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 94 108) no Hoare annotation was computed. [2018-11-18 15:19:54,727 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2018-11-18 15:19:54,728 INFO L428 ceAbstractionStarter]: At program point L94-3(lines 94 108) the Hoare annotation is: true [2018-11-18 15:19:54,728 INFO L428 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2018-11-18 15:19:54,728 INFO L425 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-11-18 15:19:54,728 INFO L428 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2018-11-18 15:19:54,728 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 15:19:54,728 INFO L425 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2018-11-18 15:19:54,728 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 15:19:54,728 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2018-11-18 15:19:54,728 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2018-11-18 15:19:54,728 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2018-11-18 15:19:54,728 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:19:54,728 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-18 15:19:54,728 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:19:54,728 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:19:54,728 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:19:54,729 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2018-11-18 15:19:54,729 INFO L421 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 15:19:54,729 INFO L425 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2018-11-18 15:19:54,729 INFO L421 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-11-18 15:19:54,729 INFO L421 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-11-18 15:19:54,729 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2018-11-18 15:19:54,729 INFO L421 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-18 15:19:54,729 INFO L425 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-18 15:19:54,729 INFO L425 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2018-11-18 15:19:54,729 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2018-11-18 15:19:54,729 INFO L425 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2018-11-18 15:19:54,729 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:19:54,730 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2018-11-18 15:19:54,730 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-11-18 15:19:54,730 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2018-11-18 15:19:54,730 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2018-11-18 15:19:54,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:19:54 BoogieIcfgContainer [2018-11-18 15:19:54,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:19:54,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:19:54,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:19:54,746 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:19:54,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:46" (3/4) ... [2018-11-18 15:19:54,749 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:19:54,758 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 15:19:54,758 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 15:19:54,758 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:19:54,758 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:19:54,759 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:19:54,760 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:19:54,761 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:19:54,761 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:19:54,761 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:19:54,761 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:19:54,761 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:19:54,761 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:19:54,761 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:19:54,761 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:19:54,770 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 15:19:54,771 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:19:54,771 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:19:54,799 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-18 15:19:54,799 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:19:54,841 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f5cd5024-6c00-41a0-b87c-168b85de9266/bin-2019/uautomizer/witness.graphml [2018-11-18 15:19:54,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:19:54,841 INFO L168 Benchmark]: Toolchain (without parser) took 9266.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.5 MB). Free memory was 956.6 MB in the beginning and 973.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 350.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:54,842 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:54,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:54,842 INFO L168 Benchmark]: Boogie Preprocessor took 59.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:54,843 INFO L168 Benchmark]: RCFGBuilder took 734.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.3 MB). Peak memory consumption was 93.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:54,843 INFO L168 Benchmark]: TraceAbstraction took 8004.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.7 MB). Free memory was 1.0 GB in the beginning and 984.5 MB in the end (delta: 30.3 MB). Peak memory consumption was 315.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:54,843 INFO L168 Benchmark]: Witness Printer took 95.17 ms. Allocated memory is still 1.4 GB. Free memory was 984.5 MB in the beginning and 973.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:54,845 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 734.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.3 MB). Peak memory consumption was 93.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8004.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.7 MB). Free memory was 1.0 GB in the beginning and 984.5 MB in the end (delta: 30.3 MB). Peak memory consumption was 315.2 MB. Max. memory is 11.5 GB. * Witness Printer took 95.17 ms. Allocated memory is still 1.4 GB. Free memory was 984.5 MB in the beginning and 973.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 262 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2546 SDtfs, 2002 SDslu, 8409 SDs, 0 SdLazy, 3951 SolverSat, 665 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 642 GetRequests, 524 SyntacticMatches, 4 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1038occurred in iteration=11, 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 188 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2454 PreInvPairs, 2580 NumberOfFragments, 1523 HoareAnnotationTreeSize, 2454 FomulaSimplifications, 5508 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 12830 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1711 NumberOfCodeBlocks, 1711 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1696 ConstructedInterpolants, 0 QuantifiedInterpolants, 341436 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2445 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 225/235 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...