./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_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_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:12:39,711 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:12:39,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:12:39,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:12:39,720 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:12:39,721 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:12:39,721 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:12:39,723 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:12:39,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:12:39,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:12:39,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:12:39,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:12:39,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:12:39,727 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:12:39,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:12:39,728 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:12:39,728 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:12:39,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:12:39,730 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:12:39,731 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:12:39,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:12:39,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:12:39,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:12:39,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:12:39,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:12:39,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:12:39,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:12:39,737 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:12:39,738 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:12:39,739 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:12:39,739 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:12:39,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:12:39,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:12:39,740 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:12:39,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:12:39,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:12:39,742 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 16:12:39,753 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:12:39,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:12:39,753 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:12:39,754 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:12:39,754 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:12:39,754 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:12:39,755 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:12:39,755 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:12:39,755 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:12:39,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:12:39,755 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:12:39,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:12:39,755 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:12:39,755 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:12:39,756 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:12:39,756 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:12:39,756 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:12:39,756 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:12:39,756 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:12:39,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:12:39,756 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:12:39,757 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:12:39,757 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:12:39,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:12:39,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:12:39,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:12:39,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:12:39,757 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:12:39,757 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:12:39,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:12:39,757 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_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2018-11-18 16:12:39,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:12:39,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:12:39,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:12:39,790 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:12:39,790 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:12:39,791 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:39,827 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/data/a93370503/118178a0fe594c81b693c6d284a5022f/FLAG772116392 [2018-11-18 16:12:40,286 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:12:40,287 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:40,296 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/data/a93370503/118178a0fe594c81b693c6d284a5022f/FLAG772116392 [2018-11-18 16:12:40,807 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/data/a93370503/118178a0fe594c81b693c6d284a5022f [2018-11-18 16:12:40,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:12:40,810 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:12:40,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:12:40,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:12:40,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:12:40,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:12:40" (1/1) ... [2018-11-18 16:12:40,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183f3823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:40, skipping insertion in model container [2018-11-18 16:12:40,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:12:40" (1/1) ... [2018-11-18 16:12:40,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:12:40,852 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:12:41,047 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:12:41,055 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:12:41,163 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:12:41,180 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:12:41,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41 WrapperNode [2018-11-18 16:12:41,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:12:41,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:12:41,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:12:41,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:12:41,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (1/1) ... [2018-11-18 16:12:41,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (1/1) ... [2018-11-18 16:12:41,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (1/1) ... [2018-11-18 16:12:41,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (1/1) ... [2018-11-18 16:12:41,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (1/1) ... [2018-11-18 16:12:41,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (1/1) ... [2018-11-18 16:12:41,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (1/1) ... [2018-11-18 16:12:41,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:12:41,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:12:41,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:12:41,230 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:12:41,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/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 16:12:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:12:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:12:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 16:12:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:12:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 16:12:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:12:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:12:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:12:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:12:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:12:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:12:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:12:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:12:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 16:12:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 16:12:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:12:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:12:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 16:12:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:12:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:12:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 16:12:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:12:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 16:12:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:12:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:12:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:12:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:12:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 16:12:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:12:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:12:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 16:12:41,858 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:12:41,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:41 BoogieIcfgContainer [2018-11-18 16:12:41,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:12:41,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:12:41,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:12:41,862 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:12:41,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:12:40" (1/3) ... [2018-11-18 16:12:41,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6745c346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:12:41, skipping insertion in model container [2018-11-18 16:12:41,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:41" (2/3) ... [2018-11-18 16:12:41,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6745c346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:12:41, skipping insertion in model container [2018-11-18 16:12:41,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:41" (3/3) ... [2018-11-18 16:12:41,865 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:41,872 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:12:41,877 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:12:41,889 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:12:41,909 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:12:41,909 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:12:41,910 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:12:41,910 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:12:41,910 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:12:41,910 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:12:41,910 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:12:41,910 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:12:41,910 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:12:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2018-11-18 16:12:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:12:41,934 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:41,935 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:41,936 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:41,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1655542813, now seen corresponding path program 1 times [2018-11-18 16:12:41,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:41,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:41,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:41,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:41,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:42,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:42,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:12:42,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:12:42,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:12:42,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:12:42,173 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2018-11-18 16:12:42,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:42,196 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2018-11-18 16:12:42,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:12:42,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 16:12:42,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:42,206 INFO L225 Difference]: With dead ends: 262 [2018-11-18 16:12:42,206 INFO L226 Difference]: Without dead ends: 131 [2018-11-18 16:12:42,209 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 16:12:42,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-18 16:12:42,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-18 16:12:42,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 16:12:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2018-11-18 16:12:42,247 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 52 [2018-11-18 16:12:42,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:42,247 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2018-11-18 16:12:42,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:12:42,247 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-11-18 16:12:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 16:12:42,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:42,250 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:42,251 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:42,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:42,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1612453405, now seen corresponding path program 1 times [2018-11-18 16:12:42,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:42,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:42,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:42,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:42,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:42,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:42,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:12:42,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:12:42,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:12:42,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:12:42,355 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 3 states. [2018-11-18 16:12:42,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:42,374 INFO L93 Difference]: Finished difference Result 209 states and 245 transitions. [2018-11-18 16:12:42,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:12:42,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 16:12:42,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:42,377 INFO L225 Difference]: With dead ends: 209 [2018-11-18 16:12:42,378 INFO L226 Difference]: Without dead ends: 121 [2018-11-18 16:12:42,379 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 16:12:42,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-18 16:12:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-18 16:12:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 16:12:42,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2018-11-18 16:12:42,390 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 54 [2018-11-18 16:12:42,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:42,391 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2018-11-18 16:12:42,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:12:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2018-11-18 16:12:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:12:42,393 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:42,393 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:42,393 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:42,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:42,393 INFO L82 PathProgramCache]: Analyzing trace with hash -848234394, now seen corresponding path program 1 times [2018-11-18 16:12:42,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:42,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:42,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:42,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:42,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:42,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:42,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:12:42,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:12:42,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:12:42,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:12:42,515 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 7 states. [2018-11-18 16:12:42,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:42,827 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-11-18 16:12:42,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:12:42,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 16:12:42,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:42,829 INFO L225 Difference]: With dead ends: 218 [2018-11-18 16:12:42,829 INFO L226 Difference]: Without dead ends: 121 [2018-11-18 16:12:42,830 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:12:42,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-18 16:12:42,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-18 16:12:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 16:12:42,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 140 transitions. [2018-11-18 16:12:42,840 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 140 transitions. Word has length 58 [2018-11-18 16:12:42,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:42,841 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 140 transitions. [2018-11-18 16:12:42,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:12:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 140 transitions. [2018-11-18 16:12:42,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 16:12:42,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:42,843 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:42,843 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:42,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:42,843 INFO L82 PathProgramCache]: Analyzing trace with hash -273280058, now seen corresponding path program 1 times [2018-11-18 16:12:42,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:42,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:42,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:42,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:42,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:42,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:42,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:12:42,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:12:42,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:12:42,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:12:42,954 INFO L87 Difference]: Start difference. First operand 121 states and 140 transitions. Second operand 5 states. [2018-11-18 16:12:43,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:43,265 INFO L93 Difference]: Finished difference Result 326 states and 393 transitions. [2018-11-18 16:12:43,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:12:43,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 16:12:43,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:43,267 INFO L225 Difference]: With dead ends: 326 [2018-11-18 16:12:43,267 INFO L226 Difference]: Without dead ends: 229 [2018-11-18 16:12:43,268 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:12:43,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-18 16:12:43,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 210. [2018-11-18 16:12:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-18 16:12:43,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2018-11-18 16:12:43,287 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 71 [2018-11-18 16:12:43,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:43,287 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2018-11-18 16:12:43,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:12:43,287 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2018-11-18 16:12:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 16:12:43,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:43,289 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:43,289 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:43,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:43,289 INFO L82 PathProgramCache]: Analyzing trace with hash -542245335, now seen corresponding path program 1 times [2018-11-18 16:12:43,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:43,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:43,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:43,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:43,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:43,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:43,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:12:43,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:12:43,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:12:43,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:12:43,403 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 6 states. [2018-11-18 16:12:43,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:43,625 INFO L93 Difference]: Finished difference Result 510 states and 615 transitions. [2018-11-18 16:12:43,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:12:43,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 16:12:43,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:43,630 INFO L225 Difference]: With dead ends: 510 [2018-11-18 16:12:43,630 INFO L226 Difference]: Without dead ends: 324 [2018-11-18 16:12:43,631 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:12:43,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-11-18 16:12:43,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 320. [2018-11-18 16:12:43,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-18 16:12:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 372 transitions. [2018-11-18 16:12:43,655 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 372 transitions. Word has length 85 [2018-11-18 16:12:43,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:43,656 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 372 transitions. [2018-11-18 16:12:43,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:12:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 372 transitions. [2018-11-18 16:12:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:12:43,657 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:43,658 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:43,658 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:43,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:43,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1724220925, now seen corresponding path program 1 times [2018-11-18 16:12:43,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:43,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:43,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:43,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:43,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:43,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:43,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:12:43,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:12:43,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:12:43,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:12:43,758 INFO L87 Difference]: Start difference. First operand 320 states and 372 transitions. Second operand 6 states. [2018-11-18 16:12:43,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:43,940 INFO L93 Difference]: Finished difference Result 687 states and 833 transitions. [2018-11-18 16:12:43,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:12:43,940 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 16:12:43,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:43,943 INFO L225 Difference]: With dead ends: 687 [2018-11-18 16:12:43,943 INFO L226 Difference]: Without dead ends: 501 [2018-11-18 16:12:43,944 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:12:43,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-11-18 16:12:43,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 483. [2018-11-18 16:12:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-11-18 16:12:43,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 575 transitions. [2018-11-18 16:12:43,971 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 575 transitions. Word has length 89 [2018-11-18 16:12:43,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:43,972 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 575 transitions. [2018-11-18 16:12:43,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:12:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 575 transitions. [2018-11-18 16:12:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:12:43,973 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:43,973 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:43,973 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:43,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:43,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1648062788, now seen corresponding path program 1 times [2018-11-18 16:12:43,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:43,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:43,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:43,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:43,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:44,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:44,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:12:44,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:12:44,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:12:44,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:12:44,025 INFO L87 Difference]: Start difference. First operand 483 states and 575 transitions. Second operand 5 states. [2018-11-18 16:12:44,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:44,049 INFO L93 Difference]: Finished difference Result 842 states and 1024 transitions. [2018-11-18 16:12:44,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:12:44,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-18 16:12:44,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:44,052 INFO L225 Difference]: With dead ends: 842 [2018-11-18 16:12:44,052 INFO L226 Difference]: Without dead ends: 493 [2018-11-18 16:12:44,053 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:12:44,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-11-18 16:12:44,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 487. [2018-11-18 16:12:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-11-18 16:12:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 578 transitions. [2018-11-18 16:12:44,074 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 578 transitions. Word has length 89 [2018-11-18 16:12:44,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:44,075 INFO L480 AbstractCegarLoop]: Abstraction has 487 states and 578 transitions. [2018-11-18 16:12:44,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:12:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 578 transitions. [2018-11-18 16:12:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:12:44,076 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:44,076 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:44,077 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:44,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:44,077 INFO L82 PathProgramCache]: Analyzing trace with hash 804057286, now seen corresponding path program 1 times [2018-11-18 16:12:44,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:44,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:44,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:44,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:44,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:44,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:44,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:12:44,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:12:44,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:12:44,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:12:44,168 INFO L87 Difference]: Start difference. First operand 487 states and 578 transitions. Second operand 9 states. [2018-11-18 16:12:44,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:44,209 INFO L93 Difference]: Finished difference Result 956 states and 1158 transitions. [2018-11-18 16:12:44,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:12:44,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-18 16:12:44,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:44,212 INFO L225 Difference]: With dead ends: 956 [2018-11-18 16:12:44,212 INFO L226 Difference]: Without dead ends: 493 [2018-11-18 16:12:44,213 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:12:44,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-11-18 16:12:44,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 487. [2018-11-18 16:12:44,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-11-18 16:12:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 576 transitions. [2018-11-18 16:12:44,231 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 576 transitions. Word has length 89 [2018-11-18 16:12:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:44,231 INFO L480 AbstractCegarLoop]: Abstraction has 487 states and 576 transitions. [2018-11-18 16:12:44,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:12:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 576 transitions. [2018-11-18 16:12:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 16:12:44,233 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:44,233 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:12:44,233 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:44,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:44,235 INFO L82 PathProgramCache]: Analyzing trace with hash -828539970, now seen corresponding path program 1 times [2018-11-18 16:12:44,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:44,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:44,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:44,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:44,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:44,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:44,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:44,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 16:12:44,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:12:44,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:12:44,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:12:44,321 INFO L87 Difference]: Start difference. First operand 487 states and 576 transitions. Second operand 10 states. [2018-11-18 16:12:44,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:44,510 INFO L93 Difference]: Finished difference Result 956 states and 1134 transitions. [2018-11-18 16:12:44,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 16:12:44,510 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-11-18 16:12:44,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:44,512 INFO L225 Difference]: With dead ends: 956 [2018-11-18 16:12:44,512 INFO L226 Difference]: Without dead ends: 493 [2018-11-18 16:12:44,513 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:12:44,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-11-18 16:12:44,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 476. [2018-11-18 16:12:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-11-18 16:12:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 545 transitions. [2018-11-18 16:12:44,529 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 545 transitions. Word has length 90 [2018-11-18 16:12:44,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:44,529 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 545 transitions. [2018-11-18 16:12:44,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:12:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 545 transitions. [2018-11-18 16:12:44,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:12:44,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:44,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:12:44,531 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:44,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:44,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1544896114, now seen corresponding path program 1 times [2018-11-18 16:12:44,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:44,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:44,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:44,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:44,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 16:12:44,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:44,589 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/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 16:12:44,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:44,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:12:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:12:44,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:12:44,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-18 16:12:44,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 16:12:44,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 16:12:44,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-18 16:12:44,823 INFO L87 Difference]: Start difference. First operand 476 states and 545 transitions. Second operand 12 states. [2018-11-18 16:12:46,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:46,059 INFO L93 Difference]: Finished difference Result 1299 states and 1609 transitions. [2018-11-18 16:12:46,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 16:12:46,059 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2018-11-18 16:12:46,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:46,062 INFO L225 Difference]: With dead ends: 1299 [2018-11-18 16:12:46,062 INFO L226 Difference]: Without dead ends: 916 [2018-11-18 16:12:46,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-18 16:12:46,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2018-11-18 16:12:46,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 831. [2018-11-18 16:12:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-11-18 16:12:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 972 transitions. [2018-11-18 16:12:46,094 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 972 transitions. Word has length 138 [2018-11-18 16:12:46,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:46,094 INFO L480 AbstractCegarLoop]: Abstraction has 831 states and 972 transitions. [2018-11-18 16:12:46,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 16:12:46,094 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 972 transitions. [2018-11-18 16:12:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 16:12:46,096 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:46,096 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:12:46,096 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:46,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:46,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1591189450, now seen corresponding path program 1 times [2018-11-18 16:12:46,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:46,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:46,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:46,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:46,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:46,171 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 16:12:46,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:46,172 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/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 16:12:46,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:46,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:12:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 16:12:46,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:12:46,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-18 16:12:46,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 16:12:46,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 16:12:46,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:12:46,334 INFO L87 Difference]: Start difference. First operand 831 states and 972 transitions. Second operand 11 states. [2018-11-18 16:12:46,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:46,371 INFO L93 Difference]: Finished difference Result 1463 states and 1734 transitions. [2018-11-18 16:12:46,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:12:46,372 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2018-11-18 16:12:46,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:46,374 INFO L225 Difference]: With dead ends: 1463 [2018-11-18 16:12:46,374 INFO L226 Difference]: Without dead ends: 718 [2018-11-18 16:12:46,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:12:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2018-11-18 16:12:46,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2018-11-18 16:12:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2018-11-18 16:12:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 836 transitions. [2018-11-18 16:12:46,398 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 836 transitions. Word has length 134 [2018-11-18 16:12:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:46,398 INFO L480 AbstractCegarLoop]: Abstraction has 718 states and 836 transitions. [2018-11-18 16:12:46,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 16:12:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 836 transitions. [2018-11-18 16:12:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:12:46,399 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:46,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:12:46,400 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:46,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:46,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1315901967, now seen corresponding path program 1 times [2018-11-18 16:12:46,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:12:46,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:12:46,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:46,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:46,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:12:46,493 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:12:46,493 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/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 16:12:46,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:46,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:12:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 16:12:46,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:12:46,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-18 16:12:46,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 16:12:46,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 16:12:46,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-18 16:12:46,723 INFO L87 Difference]: Start difference. First operand 718 states and 836 transitions. Second operand 15 states. [2018-11-18 16:12:48,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:48,706 INFO L93 Difference]: Finished difference Result 2576 states and 3609 transitions. [2018-11-18 16:12:48,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 16:12:48,707 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-11-18 16:12:48,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:48,708 INFO L225 Difference]: With dead ends: 2576 [2018-11-18 16:12:48,708 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:12:48,714 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-18 16:12:48,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:12:48,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:12:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:12:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:12:48,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-11-18 16:12:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:48,715 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:12:48,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 16:12:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:12:48,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:12:48,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:12:48,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:48,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:12:49,634 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-18 16:12:49,738 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-18 16:12:49,907 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-11-18 16:12:50,339 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-11-18 16:12:50,452 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2018-11-18 16:12:50,655 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-11-18 16:12:51,004 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-11-18 16:12:51,169 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-11-18 16:12:51,336 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-18 16:12:51,929 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point L221-1(lines 221 242) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point L221-3(lines 221 242) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2018-11-18 16:12:52,510 INFO L425 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point L278-1(lines 278 303) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point L278-3(lines 278 303) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 16:12:52,511 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:52,511 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:52,511 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:52,512 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:12:52,512 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 16:12:52,512 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L670(line 670) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L670-1(line 670) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L659-2(lines 659 667) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 640 675) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 640 675) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L647-2(lines 647 655) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 640 675) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 497) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2018-11-18 16:12:52,513 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 490) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L428 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2018-11-18 16:12:52,514 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:12:52,515 INFO L421 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:12:52,515 INFO L421 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L421 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point L706-1(lines 706 751) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L421 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L421 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2018-11-18 16:12:52,515 INFO L425 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2018-11-18 16:12:52,516 INFO L421 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:12:52,516 INFO L425 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-11-18 16:12:52,516 INFO L425 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-11-18 16:12:52,516 INFO L421 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:12:52,516 INFO L421 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:12:52,516 INFO L425 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-11-18 16:12:52,516 INFO L425 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-11-18 16:12:52,516 INFO L425 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2018-11-18 16:12:52,516 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2018-11-18 16:12:52,516 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2018-11-18 16:12:52,516 INFO L425 ceAbstractionStarter]: For program point L437(lines 437 444) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point L431(lines 431 451) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point L817(lines 817 825) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 809 831) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 809 831) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 809 831) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 410) no Hoare annotation was computed. [2018-11-18 16:12:52,517 INFO L425 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 369) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L363-1(lines 363 383) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point L363-3(lines 363 383) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 900 909) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 900 909) no Hoare annotation was computed. [2018-11-18 16:12:52,518 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 900 909) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 16:12:52,519 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-18 16:12:52,519 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L425 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L428 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2018-11-18 16:12:52,519 INFO L425 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L425 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-11-18 16:12:52,519 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2018-11-18 16:12:52,520 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2018-11-18 16:12:52,520 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2018-11-18 16:12:52,520 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2018-11-18 16:12:52,520 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2018-11-18 16:12:52,520 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not .cse7)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse6 .cse7) (or .cse5 .cse3 .cse6 .cse7)))) [2018-11-18 16:12:52,520 INFO L425 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-11-18 16:12:52,520 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-11-18 16:12:52,520 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:52,520 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 16:12:52,520 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:52,520 INFO L421 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-11-18 16:12:52,521 INFO L421 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-11-18 16:12:52,521 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-11-18 16:12:52,521 INFO L421 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-11-18 16:12:52,521 INFO L425 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2018-11-18 16:12:52,521 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2018-11-18 16:12:52,521 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2018-11-18 16:12:52,521 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 16:12:52,521 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 16:12:52,521 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 16:12:52,521 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 16:12:52,522 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 16:12:52,522 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 16:12:52,522 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 16:12:52,522 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 16:12:52,522 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 16:12:52,522 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 16:12:52,522 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 16:12:52,522 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2018-11-18 16:12:52,522 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2018-11-18 16:12:52,522 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2018-11-18 16:12:52,522 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2018-11-18 16:12:52,522 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2018-11-18 16:12:52,522 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-18 16:12:52,523 INFO L425 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2018-11-18 16:12:52,523 INFO L421 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-11-18 16:12:52,523 INFO L425 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-11-18 16:12:52,523 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2018-11-18 16:12:52,523 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2018-11-18 16:12:52,523 INFO L421 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse3 .cse6))) [2018-11-18 16:12:52,523 INFO L425 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-18 16:12:52,523 INFO L425 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2018-11-18 16:12:52,523 INFO L428 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-11-18 16:12:52,523 INFO L425 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-11-18 16:12:52,523 INFO L425 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2018-11-18 16:12:52,524 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-11-18 16:12:52,524 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2018-11-18 16:12:52,524 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 16:12:52,524 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 16:12:52,524 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:52,524 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-18 16:12:52,524 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:12:52,524 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:52,524 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-18 16:12:52,524 INFO L421 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:12:52,524 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2018-11-18 16:12:52,524 INFO L425 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2018-11-18 16:12:52,525 INFO L421 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:12:52,525 INFO L421 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (<= 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse1))) [2018-11-18 16:12:52,525 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2018-11-18 16:12:52,525 INFO L421 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:12:52,525 INFO L425 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2018-11-18 16:12:52,525 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2018-11-18 16:12:52,525 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2018-11-18 16:12:52,525 INFO L425 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2018-11-18 16:12:52,525 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-11-18 16:12:52,525 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2018-11-18 16:12:52,526 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2018-11-18 16:12:52,526 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2018-11-18 16:12:52,526 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2018-11-18 16:12:52,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:12:52 BoogieIcfgContainer [2018-11-18 16:12:52,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:12:52,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:12:52,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:12:52,537 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:12:52,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:41" (3/4) ... [2018-11-18 16:12:52,540 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:12:52,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 16:12:52,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 16:12:52,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:12:52,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:12:52,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:12:52,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 16:12:52,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 16:12:52,548 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:12:52,549 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:12:52,550 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:12:52,550 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:12:52,550 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:12:52,550 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:12:52,556 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 16:12:52,556 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:12:52,556 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:12:52,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:12:52,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:12:52,615 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_625c5d7a-19a0-48a3-acc8-18c8c7726ba1/bin-2019/uautomizer/witness.graphml [2018-11-18 16:12:52,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:12:52,616 INFO L168 Benchmark]: Toolchain (without parser) took 11806.63 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 546.3 MB). Free memory was 955.8 MB in the beginning and 1.4 GB in the end (delta: -414.0 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:52,617 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:12:52,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:52,617 INFO L168 Benchmark]: Boogie Preprocessor took 49.17 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 16:12:52,617 INFO L168 Benchmark]: RCFGBuilder took 628.69 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: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:52,618 INFO L168 Benchmark]: TraceAbstraction took 10676.62 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 416.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -344.7 MB). Peak memory consumption was 513.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:52,618 INFO L168 Benchmark]: Witness Printer took 79.11 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 866.4 kB). Peak memory consumption was 866.4 kB. Max. memory is 11.5 GB. [2018-11-18 16:12:52,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.17 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 628.69 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: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10676.62 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 416.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -344.7 MB). Peak memory consumption was 513.3 MB. Max. memory is 11.5 GB. * Witness Printer took 79.11 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 866.4 kB). Peak memory consumption was 866.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 233 locations, 1 error locations. SAFE Result, 10.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1956 SDtfs, 2135 SDslu, 6810 SDs, 0 SdLazy, 4668 SolverSat, 1178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 576 GetRequests, 449 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=831occurred in iteration=10, 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, 155 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 2475 PreInvPairs, 2984 NumberOfFragments, 1552 HoareAnnotationTreeSize, 2475 FomulaSimplifications, 10947 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 59 FomulaSimplificationsInter, 29494 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1497 NumberOfCodeBlocks, 1497 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1482 ConstructedInterpolants, 0 QuantifiedInterpolants, 254295 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2201 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 169/186 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...