./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49_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_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/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 c3f15e5f0b48b2733d67e168986a8e79f37fa442 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:21:30,424 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:21:30,426 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:21:30,437 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:21:30,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:21:30,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:21:30,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:21:30,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:21:30,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:21:30,446 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:21:30,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:21:30,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:21:30,448 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:21:30,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:21:30,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:21:30,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:21:30,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:21:30,452 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:21:30,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:21:30,455 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:21:30,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:21:30,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:21:30,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:21:30,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:21:30,459 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:21:30,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:21:30,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:21:30,461 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:21:30,461 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:21:30,462 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:21:30,463 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:21:30,463 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:21:30,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:21:30,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:21:30,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:21:30,464 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:21:30,464 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 09:21:30,475 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:21:30,475 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:21:30,476 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:21:30,476 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 09:21:30,476 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:21:30,476 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:21:30,477 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:21:30,477 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:21:30,477 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:21:30,477 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:21:30,477 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:21:30,477 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:21:30,478 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:21:30,478 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:21:30,479 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:21:30,479 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:21:30,479 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:21:30,479 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:21:30,479 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:21:30,479 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:21:30,480 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:21:30,480 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:21:30,480 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:21:30,480 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:21:30,480 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:21:30,480 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:21:30,480 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:21:30,480 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:21:30,481 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:21:30,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:21:30,481 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_e661e15b-2927-416e-845d-6a6e868dcdcc/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 -> c3f15e5f0b48b2733d67e168986a8e79f37fa442 [2018-11-18 09:21:30,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:21:30,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:21:30,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:21:30,525 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:21:30,525 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:21:30,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product49_true-unreach-call_false-termination.cil.c [2018-11-18 09:21:30,585 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/data/0b9cd4c16/ef9701638f1e4735871123b457e4cf91/FLAG99d4ccb72 [2018-11-18 09:21:30,982 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:21:30,982 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/sv-benchmarks/c/product-lines/minepump_spec5_product49_true-unreach-call_false-termination.cil.c [2018-11-18 09:21:30,992 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/data/0b9cd4c16/ef9701638f1e4735871123b457e4cf91/FLAG99d4ccb72 [2018-11-18 09:21:31,379 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/data/0b9cd4c16/ef9701638f1e4735871123b457e4cf91 [2018-11-18 09:21:31,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:21:31,382 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:21:31,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:21:31,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:21:31,388 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:21:31,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f6f8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31, skipping insertion in model container [2018-11-18 09:21:31,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:21:31,431 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:21:31,639 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:21:31,647 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:21:31,752 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:21:31,773 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:21:31,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31 WrapperNode [2018-11-18 09:21:31,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:21:31,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:21:31,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:21:31,775 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:21:31,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (1/1) ... [2018-11-18 09:21:31,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:21:31,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:21:31,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:21:31,876 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:21:31,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/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 09:21:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:21:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:21:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 09:21:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:21:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:21:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:21:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:21:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 09:21:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 09:21:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 09:21:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:21:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:21:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:21:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:21:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:21:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 09:21:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:21:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:21:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 09:21:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:21:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:21:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:21:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 09:21:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 09:21:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 09:21:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 09:21:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:21:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 09:21:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 09:21:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 09:21:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:21:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:21:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:21:32,845 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:21:32,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:21:32 BoogieIcfgContainer [2018-11-18 09:21:32,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:21:32,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:21:32,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:21:32,849 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:21:32,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:21:31" (1/3) ... [2018-11-18 09:21:32,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6c55d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:21:32, skipping insertion in model container [2018-11-18 09:21:32,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:21:31" (2/3) ... [2018-11-18 09:21:32,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6c55d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:21:32, skipping insertion in model container [2018-11-18 09:21:32,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:21:32" (3/3) ... [2018-11-18 09:21:32,853 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49_true-unreach-call_false-termination.cil.c [2018-11-18 09:21:32,862 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:21:32,868 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:21:32,881 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:21:32,906 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:21:32,906 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:21:32,906 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:21:32,906 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:21:32,906 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:21:32,907 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:21:32,907 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:21:32,907 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:21:32,907 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:21:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2018-11-18 09:21:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 09:21:32,932 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:32,932 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] [2018-11-18 09:21:32,935 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:32,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:32,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1888228679, now seen corresponding path program 1 times [2018-11-18 09:21:32,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:32,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:32,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:32,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:32,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:33,214 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 09:21:33,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:33,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:21:33,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:21:33,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:21:33,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:21:33,231 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2018-11-18 09:21:33,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:33,266 INFO L93 Difference]: Finished difference Result 276 states and 341 transitions. [2018-11-18 09:21:33,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:21:33,267 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 09:21:33,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:33,275 INFO L225 Difference]: With dead ends: 276 [2018-11-18 09:21:33,275 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 09:21:33,279 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 09:21:33,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 09:21:33,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 09:21:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 09:21:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-11-18 09:21:33,324 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 59 [2018-11-18 09:21:33,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:33,325 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-11-18 09:21:33,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:21:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-11-18 09:21:33,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 09:21:33,329 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:33,329 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] [2018-11-18 09:21:33,330 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:33,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:33,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1833608393, now seen corresponding path program 1 times [2018-11-18 09:21:33,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:33,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:33,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:33,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:33,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:33,698 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 09:21:33,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:33,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:21:33,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:21:33,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:21:33,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:21:33,701 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 7 states. [2018-11-18 09:21:34,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:34,167 INFO L93 Difference]: Finished difference Result 252 states and 303 transitions. [2018-11-18 09:21:34,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:21:34,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 09:21:34,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:34,169 INFO L225 Difference]: With dead ends: 252 [2018-11-18 09:21:34,169 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 09:21:34,170 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:21:34,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 09:21:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 09:21:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 09:21:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2018-11-18 09:21:34,179 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 65 [2018-11-18 09:21:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:34,181 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2018-11-18 09:21:34,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:21:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2018-11-18 09:21:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 09:21:34,183 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:34,183 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] [2018-11-18 09:21:34,184 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:34,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:34,184 INFO L82 PathProgramCache]: Analyzing trace with hash -951275585, now seen corresponding path program 1 times [2018-11-18 09:21:34,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:34,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:34,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:34,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:34,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:34,263 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 09:21:34,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:34,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:21:34,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:21:34,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:21:34,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:21:34,264 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 3 states. [2018-11-18 09:21:34,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:34,285 INFO L93 Difference]: Finished difference Result 223 states and 259 transitions. [2018-11-18 09:21:34,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:21:34,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2018-11-18 09:21:34,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:34,286 INFO L225 Difference]: With dead ends: 223 [2018-11-18 09:21:34,287 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 09:21:34,287 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 09:21:34,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 09:21:34,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 09:21:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 09:21:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2018-11-18 09:21:34,297 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 74 [2018-11-18 09:21:34,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:34,298 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2018-11-18 09:21:34,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:21:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2018-11-18 09:21:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 09:21:34,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:34,300 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] [2018-11-18 09:21:34,300 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:34,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:34,301 INFO L82 PathProgramCache]: Analyzing trace with hash 786077147, now seen corresponding path program 1 times [2018-11-18 09:21:34,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:34,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:34,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:34,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:34,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:34,523 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 09:21:34,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:34,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:21:34,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:21:34,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:21:34,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:21:34,525 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 5 states. [2018-11-18 09:21:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:35,221 INFO L93 Difference]: Finished difference Result 335 states and 405 transitions. [2018-11-18 09:21:35,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:21:35,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-18 09:21:35,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:35,223 INFO L225 Difference]: With dead ends: 335 [2018-11-18 09:21:35,223 INFO L226 Difference]: Without dead ends: 233 [2018-11-18 09:21:35,224 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:21:35,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-11-18 09:21:35,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 214. [2018-11-18 09:21:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-11-18 09:21:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 246 transitions. [2018-11-18 09:21:35,245 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 246 transitions. Word has length 78 [2018-11-18 09:21:35,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:35,246 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 246 transitions. [2018-11-18 09:21:35,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:21:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 246 transitions. [2018-11-18 09:21:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 09:21:35,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:35,247 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] [2018-11-18 09:21:35,247 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:35,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:35,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1879069702, now seen corresponding path program 1 times [2018-11-18 09:21:35,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:35,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:35,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:35,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:35,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:21:35,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:35,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:21:35,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:21:35,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:21:35,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:21:35,463 INFO L87 Difference]: Start difference. First operand 214 states and 246 transitions. Second operand 7 states. [2018-11-18 09:21:35,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:35,975 INFO L93 Difference]: Finished difference Result 418 states and 496 transitions. [2018-11-18 09:21:35,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:21:35,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-18 09:21:35,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:35,976 INFO L225 Difference]: With dead ends: 418 [2018-11-18 09:21:35,977 INFO L226 Difference]: Without dead ends: 232 [2018-11-18 09:21:35,977 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:21:35,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-11-18 09:21:35,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 213. [2018-11-18 09:21:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-18 09:21:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2018-11-18 09:21:35,991 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 92 [2018-11-18 09:21:35,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:35,992 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2018-11-18 09:21:35,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:21:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2018-11-18 09:21:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 09:21:35,993 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:35,993 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] [2018-11-18 09:21:35,993 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:35,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:35,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1027647549, now seen corresponding path program 1 times [2018-11-18 09:21:35,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:35,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:35,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:35,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:35,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:36,233 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 09:21:36,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:36,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:21:36,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:21:36,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:21:36,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:21:36,234 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 6 states. [2018-11-18 09:21:36,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:36,275 INFO L93 Difference]: Finished difference Result 403 states and 468 transitions. [2018-11-18 09:21:36,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:21:36,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-18 09:21:36,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:36,277 INFO L225 Difference]: With dead ends: 403 [2018-11-18 09:21:36,277 INFO L226 Difference]: Without dead ends: 218 [2018-11-18 09:21:36,278 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:21:36,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-11-18 09:21:36,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-11-18 09:21:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-18 09:21:36,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 248 transitions. [2018-11-18 09:21:36,294 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 248 transitions. Word has length 93 [2018-11-18 09:21:36,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:36,295 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 248 transitions. [2018-11-18 09:21:36,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:21:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 248 transitions. [2018-11-18 09:21:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 09:21:36,296 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:36,296 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] [2018-11-18 09:21:36,296 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:36,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:36,296 INFO L82 PathProgramCache]: Analyzing trace with hash -326047675, now seen corresponding path program 1 times [2018-11-18 09:21:36,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:36,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:36,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:36,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:36,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:36,386 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 09:21:36,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:36,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:21:36,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:21:36,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:21:36,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:21:36,388 INFO L87 Difference]: Start difference. First operand 218 states and 248 transitions. Second operand 8 states. [2018-11-18 09:21:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:36,415 INFO L93 Difference]: Finished difference Result 415 states and 485 transitions. [2018-11-18 09:21:36,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:21:36,416 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-18 09:21:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:36,417 INFO L225 Difference]: With dead ends: 415 [2018-11-18 09:21:36,417 INFO L226 Difference]: Without dead ends: 225 [2018-11-18 09:21:36,418 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 09:21:36,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-18 09:21:36,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2018-11-18 09:21:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 09:21:36,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 252 transitions. [2018-11-18 09:21:36,428 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 252 transitions. Word has length 93 [2018-11-18 09:21:36,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:36,428 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 252 transitions. [2018-11-18 09:21:36,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:21:36,428 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 252 transitions. [2018-11-18 09:21:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 09:21:36,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:36,429 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] [2018-11-18 09:21:36,430 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:36,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:36,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1399433222, now seen corresponding path program 1 times [2018-11-18 09:21:36,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:36,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:36,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:36,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:36,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:36,523 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 09:21:36,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:36,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:21:36,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:21:36,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:21:36,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:21:36,524 INFO L87 Difference]: Start difference. First operand 222 states and 252 transitions. Second operand 4 states. [2018-11-18 09:21:36,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:36,675 INFO L93 Difference]: Finished difference Result 646 states and 770 transitions. [2018-11-18 09:21:36,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:21:36,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-18 09:21:36,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:36,678 INFO L225 Difference]: With dead ends: 646 [2018-11-18 09:21:36,679 INFO L226 Difference]: Without dead ends: 452 [2018-11-18 09:21:36,679 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 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 09:21:36,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2018-11-18 09:21:36,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 443. [2018-11-18 09:21:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-11-18 09:21:36,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 517 transitions. [2018-11-18 09:21:36,701 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 517 transitions. Word has length 93 [2018-11-18 09:21:36,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:36,702 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 517 transitions. [2018-11-18 09:21:36,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:21:36,702 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 517 transitions. [2018-11-18 09:21:36,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 09:21:36,703 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:36,703 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] [2018-11-18 09:21:36,703 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:36,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:36,704 INFO L82 PathProgramCache]: Analyzing trace with hash -642857600, now seen corresponding path program 1 times [2018-11-18 09:21:36,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:36,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:36,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:36,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:36,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:36,831 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 09:21:36,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:21:36,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:21:36,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:21:36,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:21:36,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:21:36,832 INFO L87 Difference]: Start difference. First operand 443 states and 517 transitions. Second operand 9 states. [2018-11-18 09:21:37,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:37,558 INFO L93 Difference]: Finished difference Result 1156 states and 1414 transitions. [2018-11-18 09:21:37,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:21:37,560 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-11-18 09:21:37,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:37,562 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 09:21:37,562 INFO L226 Difference]: Without dead ends: 810 [2018-11-18 09:21:37,563 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:21:37,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-18 09:21:37,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 737. [2018-11-18 09:21:37,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2018-11-18 09:21:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 850 transitions. [2018-11-18 09:21:37,594 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 850 transitions. Word has length 97 [2018-11-18 09:21:37,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:37,595 INFO L480 AbstractCegarLoop]: Abstraction has 737 states and 850 transitions. [2018-11-18 09:21:37,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:21:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 850 transitions. [2018-11-18 09:21:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 09:21:37,597 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:37,597 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-18 09:21:37,597 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:37,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:37,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1596459088, now seen corresponding path program 1 times [2018-11-18 09:21:37,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:37,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:37,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:37,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:37,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:37,723 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 09:21:37,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:21:37,723 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/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 09:21:37,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:37,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:21:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:21:37,964 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:21:37,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-18 09:21:37,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 09:21:37,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 09:21:37,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-18 09:21:37,965 INFO L87 Difference]: Start difference. First operand 737 states and 850 transitions. Second operand 16 states. [2018-11-18 09:21:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:38,749 INFO L93 Difference]: Finished difference Result 1651 states and 1984 transitions. [2018-11-18 09:21:38,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 09:21:38,750 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2018-11-18 09:21:38,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:38,753 INFO L225 Difference]: With dead ends: 1651 [2018-11-18 09:21:38,753 INFO L226 Difference]: Without dead ends: 1009 [2018-11-18 09:21:38,755 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-11-18 09:21:38,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2018-11-18 09:21:38,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 888. [2018-11-18 09:21:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2018-11-18 09:21:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1035 transitions. [2018-11-18 09:21:38,797 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1035 transitions. Word has length 159 [2018-11-18 09:21:38,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:38,797 INFO L480 AbstractCegarLoop]: Abstraction has 888 states and 1035 transitions. [2018-11-18 09:21:38,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 09:21:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1035 transitions. [2018-11-18 09:21:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-18 09:21:38,802 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:38,802 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-18 09:21:38,802 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:38,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:38,802 INFO L82 PathProgramCache]: Analyzing trace with hash 666448051, now seen corresponding path program 1 times [2018-11-18 09:21:38,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:38,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:38,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:38,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:38,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-11-18 09:21:38,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:21:38,980 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/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 09:21:39,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:39,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:21:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 201 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 09:21:39,378 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:21:39,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-18 09:21:39,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 09:21:39,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 09:21:39,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-18 09:21:39,380 INFO L87 Difference]: Start difference. First operand 888 states and 1035 transitions. Second operand 18 states. [2018-11-18 09:21:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:41,795 INFO L93 Difference]: Finished difference Result 2365 states and 2925 transitions. [2018-11-18 09:21:41,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 09:21:41,796 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 277 [2018-11-18 09:21:41,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:41,800 INFO L225 Difference]: With dead ends: 2365 [2018-11-18 09:21:41,800 INFO L226 Difference]: Without dead ends: 1283 [2018-11-18 09:21:41,803 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 282 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-11-18 09:21:41,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2018-11-18 09:21:41,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1181. [2018-11-18 09:21:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1181 states. [2018-11-18 09:21:41,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1360 transitions. [2018-11-18 09:21:41,847 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1360 transitions. Word has length 277 [2018-11-18 09:21:41,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:41,847 INFO L480 AbstractCegarLoop]: Abstraction has 1181 states and 1360 transitions. [2018-11-18 09:21:41,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 09:21:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1360 transitions. [2018-11-18 09:21:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-11-18 09:21:41,851 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:21:41,851 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 09:21:41,852 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:21:41,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:21:41,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1708010179, now seen corresponding path program 1 times [2018-11-18 09:21:41,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:21:41,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:21:41,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:41,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:41,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:21:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-11-18 09:21:41,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:21:41,969 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/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 09:21:41,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:21:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:21:42,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:21:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-11-18 09:21:42,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:21:42,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 09:21:42,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 09:21:42,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 09:21:42,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:21:42,193 INFO L87 Difference]: Start difference. First operand 1181 states and 1360 transitions. Second operand 13 states. [2018-11-18 09:21:42,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:21:42,250 INFO L93 Difference]: Finished difference Result 1435 states and 1643 transitions. [2018-11-18 09:21:42,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:21:42,251 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 362 [2018-11-18 09:21:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:21:42,251 INFO L225 Difference]: With dead ends: 1435 [2018-11-18 09:21:42,251 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:21:42,253 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 09:21:42,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:21:42,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:21:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:21:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:21:42,254 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2018-11-18 09:21:42,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:21:42,254 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:21:42,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 09:21:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:21:42,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:21:42,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:21:42,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:21:42,924 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-18 09:21:43,320 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-18 09:21:43,676 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-18 09:21:44,592 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 09:21:44,880 INFO L425 ceAbstractionStarter]: For program point L668(lines 645 669) no Hoare annotation was computed. [2018-11-18 09:21:44,880 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 621 676) no Hoare annotation was computed. [2018-11-18 09:21:44,880 INFO L425 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 621 676) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L646-1(lines 646 667) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L646-3(lines 646 667) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 621 676) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L704(line 704) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L729(lines 702 730) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 677 736) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 677 736) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 713) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L709-1(lines 709 713) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L703-1(lines 703 728) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L703-3(lines 703 728) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 677 736) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L425 ceAbstractionStarter]: For program point L722-1(line 722) no Hoare annotation was computed. [2018-11-18 09:21:44,881 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point L949(line 949) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L428 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: true [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point L960-1(line 960) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L421 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2018-11-18 09:21:44,882 INFO L425 ceAbstractionStarter]: For program point L966(lines 966 976) no Hoare annotation was computed. [2018-11-18 09:21:44,883 INFO L421 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse4 .cse0 .cse5) (or .cse2 .cse0 .cse3 .cse5 .cse4))) [2018-11-18 09:21:44,883 INFO L425 ceAbstractionStarter]: For program point L964-1(line 964) no Hoare annotation was computed. [2018-11-18 09:21:44,883 INFO L425 ceAbstractionStarter]: For program point L962(lines 962 979) no Hoare annotation was computed. [2018-11-18 09:21:44,883 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 510 532) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:21:44,883 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2018-11-18 09:21:44,883 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2018-11-18 09:21:44,883 INFO L421 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 09:21:44,883 INFO L421 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 09:21:44,883 INFO L425 ceAbstractionStarter]: For program point L520(lines 520 527) no Hoare annotation was computed. [2018-11-18 09:21:44,883 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2018-11-18 09:21:44,883 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 09:21:44,883 INFO L421 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:21:44,884 INFO L421 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:21:44,884 INFO L421 ceAbstractionStarter]: At program point L516-1(line 516) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 464 487) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 464 487) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 464 487) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2018-11-18 09:21:44,884 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L428 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L425 ceAbstractionStarter]: For program point L239-1(line 239) no Hoare annotation was computed. [2018-11-18 09:21:44,885 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 192) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 177 212) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 177 212) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point L196(lines 196 204) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2018-11-18 09:21:44,886 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2018-11-18 09:21:44,886 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 575 620) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 575 620) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 575 620) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 888 933) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point L908(lines 908 915) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 888 933) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point L902(lines 902 922) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 888 933) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point L902-1(lines 902 922) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2018-11-18 09:21:44,887 INFO L421 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:21:44,887 INFO L425 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 157 167) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 157 167) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2018-11-18 09:21:44,888 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2018-11-18 09:21:44,888 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= processEnvironment_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 09:21:44,889 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2018-11-18 09:21:44,889 INFO L421 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 09:21:44,889 INFO L425 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-11-18 09:21:44,889 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-11-18 09:21:44,889 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2018-11-18 09:21:44,889 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 09:21:44,889 INFO L421 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 09:21:44,889 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2018-11-18 09:21:44,889 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 09:21:44,889 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2018-11-18 09:21:44,890 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2018-11-18 09:21:44,890 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 255 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:21:44,890 INFO L421 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-18 09:21:44,890 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2018-11-18 09:21:44,890 INFO L425 ceAbstractionStarter]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2018-11-18 09:21:44,890 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2018-11-18 09:21:44,890 INFO L421 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-11-18 09:21:44,890 INFO L421 ceAbstractionStarter]: At program point L308(lines 265 310) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 09:21:44,890 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2018-11-18 09:21:44,890 INFO L425 ceAbstractionStarter]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2018-11-18 09:21:44,890 INFO L425 ceAbstractionStarter]: For program point L267(lines 267 271) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point L265-1(lines 265 310) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L421 ceAbstractionStarter]: At program point L311(lines 264 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L421 ceAbstractionStarter]: At program point L301-2(lines 295 306) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point L266(lines 265 310) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point L295(lines 295 306) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point L862(lines 862 869) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 842 887) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point L856(lines 856 876) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point L856-1(lines 856 876) no Hoare annotation was computed. [2018-11-18 09:21:44,891 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 842 887) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 842 887) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 368 390) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 368 390) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 368 390) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 535 544) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 535 544) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 535 544) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point L768(lines 768 784) no Hoare annotation was computed. [2018-11-18 09:21:44,892 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 739 841) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 835) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L789(lines 788 808) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L785(lines 785 826) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 739 841) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 767) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L827(lines 827 838) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point L788-1(lines 788 808) no Hoare annotation was computed. [2018-11-18 09:21:44,893 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 739 841) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point L788-3(lines 788 808) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point L809(lines 787 810) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 226) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L428 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: true [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2018-11-18 09:21:44,894 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2018-11-18 09:21:44,894 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: true [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 359 367) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 359 367) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 359 367) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L421 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2018-11-18 09:21:44,895 INFO L421 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-18 09:21:44,895 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2018-11-18 09:21:44,896 INFO L421 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-18 09:21:44,896 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2018-11-18 09:21:44,896 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2018-11-18 09:21:44,896 INFO L428 ceAbstractionStarter]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2018-11-18 09:21:44,896 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 444 458) no Hoare annotation was computed. [2018-11-18 09:21:44,896 INFO L428 ceAbstractionStarter]: At program point L444-3(lines 444 458) the Hoare annotation is: true [2018-11-18 09:21:44,896 INFO L428 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: true [2018-11-18 09:21:44,896 INFO L425 ceAbstractionStarter]: For program point L440-1(line 440) no Hoare annotation was computed. [2018-11-18 09:21:44,896 INFO L428 ceAbstractionStarter]: At program point L459(lines 434 463) the Hoare annotation is: true [2018-11-18 09:21:44,896 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 09:21:44,896 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 09:21:44,896 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2018-11-18 09:21:44,897 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 09:21:44,897 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2018-11-18 09:21:44,897 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2018-11-18 09:21:44,897 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2018-11-18 09:21:44,897 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2018-11-18 09:21:44,897 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:21:44,897 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 09:21:44,897 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:21:44,897 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:21:44,897 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 09:21:44,897 INFO L421 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 09:21:44,898 INFO L425 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2018-11-18 09:21:44,898 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2018-11-18 09:21:44,898 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2018-11-18 09:21:44,898 INFO L421 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 09:21:44,898 INFO L425 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2018-11-18 09:21:44,898 INFO L421 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 09:21:44,898 INFO L421 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 09:21:44,898 INFO L425 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2018-11-18 09:21:44,898 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2018-11-18 09:21:44,898 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 09:21:44,899 INFO L425 ceAbstractionStarter]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2018-11-18 09:21:44,899 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2018-11-18 09:21:44,899 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2018-11-18 09:21:44,899 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2018-11-18 09:21:44,899 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2018-11-18 09:21:44,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:21:44 BoogieIcfgContainer [2018-11-18 09:21:44,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:21:44,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:21:44,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:21:44,917 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:21:44,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:21:32" (3/4) ... [2018-11-18 09:21:44,920 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:21:44,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:21:44,928 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:21:44,929 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:21:44,930 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:21:44,930 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:21:44,930 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:21:44,930 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:21:44,936 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 09:21:44,936 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:21:44,936 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:21:44,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 09:21:44,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 09:21:44,996 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e661e15b-2927-416e-845d-6a6e868dcdcc/bin-2019/uautomizer/witness.graphml [2018-11-18 09:21:44,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:21:44,996 INFO L168 Benchmark]: Toolchain (without parser) took 13614.96 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 564.1 MB). Free memory was 955.9 MB in the beginning and 1.3 GB in the end (delta: -378.2 MB). Peak memory consumption was 185.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:44,997 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:21:44,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:44,997 INFO L168 Benchmark]: Boogie Preprocessor took 100.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:44,998 INFO L168 Benchmark]: RCFGBuilder took 970.46 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: 90.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:44,998 INFO L168 Benchmark]: TraceAbstraction took 12069.30 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 407.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -299.7 MB). Peak memory consumption was 476.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:44,998 INFO L168 Benchmark]: Witness Printer took 79.46 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:21:44,999 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 970.46 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: 90.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12069.30 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 407.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -299.7 MB). Peak memory consumption was 476.4 MB. Max. memory is 11.5 GB. * Witness Printer took 79.46 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: 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: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 250 locations, 1 error locations. SAFE Result, 12.0s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2262 SDtfs, 2434 SDslu, 7098 SDs, 0 SdLazy, 5023 SolverSat, 1305 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 987 GetRequests, 846 SyntacticMatches, 5 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1181occurred 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, 346 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1790 PreInvPairs, 1862 NumberOfFragments, 1600 HoareAnnotationTreeSize, 1790 FomulaSimplifications, 9624 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 61 FomulaSimplificationsInter, 13058 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2340 NumberOfCodeBlocks, 2340 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2325 ConstructedInterpolants, 0 QuantifiedInterpolants, 695230 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3210 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1701/1761 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...