./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/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 3c089be7b4887d2975165f6135c093492cb2095b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:51:24,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:51:24,575 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:51:24,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:51:24,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:51:24,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:51:24,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:51:24,585 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:51:24,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:51:24,587 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:51:24,588 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:51:24,588 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:51:24,589 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:51:24,589 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:51:24,590 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:51:24,590 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:51:24,591 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:51:24,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:51:24,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:51:24,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:51:24,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:51:24,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:51:24,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:51:24,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:51:24,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:51:24,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:51:24,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:51:24,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:51:24,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:51:24,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:51:24,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:51:24,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:51:24,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:51:24,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:51:24,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:51:24,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:51:24,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 11:51:24,613 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:51:24,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:51:24,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:51:24,614 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 11:51:24,614 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:51:24,614 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:51:24,615 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:51:24,615 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:51:24,615 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:51:24,615 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:51:24,615 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:51:24,615 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:51:24,615 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:51:24,615 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:51:24,616 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:51:24,616 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:51:24,616 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:51:24,616 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:51:24,616 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:51:24,616 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:51:24,616 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:51:24,616 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:51:24,617 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 11:51:24,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:51:24,617 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:51:24,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:51:24,617 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:51:24,617 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 11:51:24,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:51:24,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:51:24,617 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_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/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 -> 3c089be7b4887d2975165f6135c093492cb2095b [2018-12-08 11:51:24,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:51:24,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:51:24,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:51:24,652 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:51:24,653 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:51:24,653 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-12-08 11:51:24,697 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/data/f04aca266/9d4ba2349d834ea1a0396765c0d16536/FLAGedb00bc49 [2018-12-08 11:51:25,092 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:51:25,092 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-12-08 11:51:25,098 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/data/f04aca266/9d4ba2349d834ea1a0396765c0d16536/FLAGedb00bc49 [2018-12-08 11:51:25,107 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/data/f04aca266/9d4ba2349d834ea1a0396765c0d16536 [2018-12-08 11:51:25,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:51:25,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:51:25,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:51:25,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:51:25,112 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:51:25,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25, skipping insertion in model container [2018-12-08 11:51:25,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:51:25,138 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:51:25,287 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:51:25,333 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:51:25,385 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:51:25,401 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:51:25,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25 WrapperNode [2018-12-08 11:51:25,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:51:25,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:51:25,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:51:25,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:51:25,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:51:25,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:51:25,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:51:25,422 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:51:25,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... [2018-12-08 11:51:25,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:51:25,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:51:25,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:51:25,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:51:25,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/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 [2018-12-08 11:51:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 11:51:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 11:51:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 11:51:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 11:51:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 11:51:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 11:51:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:51:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 11:51:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 11:51:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 11:51:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 11:51:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 11:51:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 11:51:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 11:51:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 11:51:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 11:51:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 11:51:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:51:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:51:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 11:51:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 11:51:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 11:51:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 11:51:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 11:51:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 11:51:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 11:51:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 11:51:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 11:51:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 11:51:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 11:51:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 11:51:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 11:51:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 11:51:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 11:51:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 11:51:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:51:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:51:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 11:51:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 11:51:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 11:51:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 11:51:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 11:51:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 11:51:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:51:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:51:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 11:51:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 11:51:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 11:51:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 11:51:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 11:51:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 11:51:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 11:51:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 11:51:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 11:51:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 11:51:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 11:51:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 11:51:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 11:51:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 11:51:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 11:51:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:51:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:51:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 11:51:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 11:51:25,787 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:51:25,787 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 11:51:25,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:51:25 BoogieIcfgContainer [2018-12-08 11:51:25,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:51:25,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 11:51:25,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 11:51:25,790 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 11:51:25,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:51:25" (1/3) ... [2018-12-08 11:51:25,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5325e24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:51:25, skipping insertion in model container [2018-12-08 11:51:25,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:51:25" (2/3) ... [2018-12-08 11:51:25,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5325e24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:51:25, skipping insertion in model container [2018-12-08 11:51:25,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:51:25" (3/3) ... [2018-12-08 11:51:25,793 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-12-08 11:51:25,799 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 11:51:25,804 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 11:51:25,814 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 11:51:25,832 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:51:25,833 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 11:51:25,833 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 11:51:25,833 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 11:51:25,833 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:51:25,833 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:51:25,833 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 11:51:25,833 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:51:25,833 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 11:51:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-12-08 11:51:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 11:51:25,851 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:25,852 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:25,853 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:25,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:25,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1697508556, now seen corresponding path program 1 times [2018-12-08 11:51:25,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:25,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:25,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:25,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:25,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:25,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:25,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 11:51:26,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 11:51:26,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 11:51:26,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:51:26,011 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-12-08 11:51:26,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:26,035 INFO L93 Difference]: Finished difference Result 308 states and 383 transitions. [2018-12-08 11:51:26,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 11:51:26,036 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 11:51:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:26,043 INFO L225 Difference]: With dead ends: 308 [2018-12-08 11:51:26,043 INFO L226 Difference]: Without dead ends: 154 [2018-12-08 11:51:26,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:51:26,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-08 11:51:26,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-12-08 11:51:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-12-08 11:51:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2018-12-08 11:51:26,076 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 46 [2018-12-08 11:51:26,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:26,077 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2018-12-08 11:51:26,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 11:51:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2018-12-08 11:51:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 11:51:26,079 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:26,079 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:26,079 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:26,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:26,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1146648345, now seen corresponding path program 1 times [2018-12-08 11:51:26,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:26,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:26,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:26,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:26,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:26,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:51:26,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:51:26,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:51:26,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:51:26,127 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 3 states. [2018-12-08 11:51:26,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:26,141 INFO L93 Difference]: Finished difference Result 253 states and 301 transitions. [2018-12-08 11:51:26,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:51:26,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 11:51:26,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:26,143 INFO L225 Difference]: With dead ends: 253 [2018-12-08 11:51:26,143 INFO L226 Difference]: Without dead ends: 145 [2018-12-08 11:51:26,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:51:26,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-08 11:51:26,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-08 11:51:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-08 11:51:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2018-12-08 11:51:26,153 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 47 [2018-12-08 11:51:26,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:26,153 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2018-12-08 11:51:26,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:51:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2018-12-08 11:51:26,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 11:51:26,154 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:26,154 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:26,154 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:26,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:26,155 INFO L82 PathProgramCache]: Analyzing trace with hash 244280267, now seen corresponding path program 1 times [2018-12-08 11:51:26,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:26,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:26,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:26,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:26,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:26,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:51:26,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:51:26,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:51:26,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:51:26,211 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand 3 states. [2018-12-08 11:51:26,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:26,225 INFO L93 Difference]: Finished difference Result 266 states and 319 transitions. [2018-12-08 11:51:26,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:51:26,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 11:51:26,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:26,227 INFO L225 Difference]: With dead ends: 266 [2018-12-08 11:51:26,227 INFO L226 Difference]: Without dead ends: 145 [2018-12-08 11:51:26,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:51:26,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-08 11:51:26,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-08 11:51:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-08 11:51:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-12-08 11:51:26,236 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 52 [2018-12-08 11:51:26,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:26,237 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-12-08 11:51:26,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:51:26,237 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-12-08 11:51:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 11:51:26,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:26,238 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:26,239 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:26,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash 97775123, now seen corresponding path program 1 times [2018-12-08 11:51:26,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:26,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:26,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:26,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:26,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:26,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:51:26,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:51:26,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:51:26,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:51:26,302 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 5 states. [2018-12-08 11:51:26,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:26,632 INFO L93 Difference]: Finished difference Result 380 states and 460 transitions. [2018-12-08 11:51:26,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 11:51:26,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 11:51:26,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:26,634 INFO L225 Difference]: With dead ends: 380 [2018-12-08 11:51:26,634 INFO L226 Difference]: Without dead ends: 259 [2018-12-08 11:51:26,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:51:26,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-12-08 11:51:26,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 240. [2018-12-08 11:51:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-12-08 11:51:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 272 transitions. [2018-12-08 11:51:26,651 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 272 transitions. Word has length 70 [2018-12-08 11:51:26,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:26,652 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 272 transitions. [2018-12-08 11:51:26,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:51:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 272 transitions. [2018-12-08 11:51:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 11:51:26,653 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:26,653 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:26,653 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:26,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:26,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1410600138, now seen corresponding path program 1 times [2018-12-08 11:51:26,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:26,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:26,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:26,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:26,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:26,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 11:51:26,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 11:51:26,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 11:51:26,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:51:26,704 INFO L87 Difference]: Start difference. First operand 240 states and 272 transitions. Second operand 8 states. [2018-12-08 11:51:26,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:26,728 INFO L93 Difference]: Finished difference Result 463 states and 539 transitions. [2018-12-08 11:51:26,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:51:26,729 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-08 11:51:26,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:26,730 INFO L225 Difference]: With dead ends: 463 [2018-12-08 11:51:26,731 INFO L226 Difference]: Without dead ends: 247 [2018-12-08 11:51:26,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:51:26,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-12-08 11:51:26,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2018-12-08 11:51:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-12-08 11:51:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 276 transitions. [2018-12-08 11:51:26,745 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 276 transitions. Word has length 84 [2018-12-08 11:51:26,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:26,745 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 276 transitions. [2018-12-08 11:51:26,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 11:51:26,745 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 276 transitions. [2018-12-08 11:51:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 11:51:26,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:26,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:26,746 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:26,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:26,747 INFO L82 PathProgramCache]: Analyzing trace with hash 709000264, now seen corresponding path program 1 times [2018-12-08 11:51:26,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:26,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:26,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:26,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:26,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:26,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:51:26,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:51:26,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:51:26,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:51:26,807 INFO L87 Difference]: Start difference. First operand 244 states and 276 transitions. Second operand 6 states. [2018-12-08 11:51:26,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:26,962 INFO L93 Difference]: Finished difference Result 669 states and 778 transitions. [2018-12-08 11:51:26,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:51:26,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-08 11:51:26,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:26,965 INFO L225 Difference]: With dead ends: 669 [2018-12-08 11:51:26,975 INFO L226 Difference]: Without dead ends: 449 [2018-12-08 11:51:26,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:51:26,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-12-08 11:51:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-12-08 11:51:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-08 11:51:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 502 transitions. [2018-12-08 11:51:27,003 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 502 transitions. Word has length 84 [2018-12-08 11:51:27,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:27,004 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 502 transitions. [2018-12-08 11:51:27,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:51:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 502 transitions. [2018-12-08 11:51:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 11:51:27,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:27,006 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:27,006 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:27,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:27,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1045486588, now seen corresponding path program 1 times [2018-12-08 11:51:27,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:27,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:27,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:27,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:27,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:27,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:27,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 11:51:27,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:51:27,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:51:27,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:51:27,069 INFO L87 Difference]: Start difference. First operand 443 states and 502 transitions. Second operand 7 states. [2018-12-08 11:51:27,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:27,423 INFO L93 Difference]: Finished difference Result 478 states and 556 transitions. [2018-12-08 11:51:27,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 11:51:27,423 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-08 11:51:27,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:27,425 INFO L225 Difference]: With dead ends: 478 [2018-12-08 11:51:27,425 INFO L226 Difference]: Without dead ends: 475 [2018-12-08 11:51:27,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:51:27,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-12-08 11:51:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 443. [2018-12-08 11:51:27,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-08 11:51:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 501 transitions. [2018-12-08 11:51:27,449 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 501 transitions. Word has length 88 [2018-12-08 11:51:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:27,449 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 501 transitions. [2018-12-08 11:51:27,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:51:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 501 transitions. [2018-12-08 11:51:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 11:51:27,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:27,451 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:27,451 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:27,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:27,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1921303165, now seen corresponding path program 1 times [2018-12-08 11:51:27,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:27,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:27,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:27,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:27,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:27,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:51:27,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:27,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:51:27,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:51:27,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:51:27,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:51:27,509 INFO L87 Difference]: Start difference. First operand 443 states and 501 transitions. Second operand 6 states. [2018-12-08 11:51:27,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:27,549 INFO L93 Difference]: Finished difference Result 876 states and 1014 transitions. [2018-12-08 11:51:27,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 11:51:27,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-08 11:51:27,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:27,551 INFO L225 Difference]: With dead ends: 876 [2018-12-08 11:51:27,551 INFO L226 Difference]: Without dead ends: 457 [2018-12-08 11:51:27,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:51:27,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-12-08 11:51:27,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 453. [2018-12-08 11:51:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-12-08 11:51:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 511 transitions. [2018-12-08 11:51:27,565 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 511 transitions. Word has length 104 [2018-12-08 11:51:27,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:27,565 INFO L480 AbstractCegarLoop]: Abstraction has 453 states and 511 transitions. [2018-12-08 11:51:27,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:51:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 511 transitions. [2018-12-08 11:51:27,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 11:51:27,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:27,567 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:27,567 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:27,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:27,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1593561920, now seen corresponding path program 1 times [2018-12-08 11:51:27,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:27,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:27,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:27,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:27,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:51:27,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:51:27,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 11:51:27,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 11:51:27,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 11:51:27,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:51:27,616 INFO L87 Difference]: Start difference. First operand 453 states and 511 transitions. Second operand 4 states. [2018-12-08 11:51:27,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:27,755 INFO L93 Difference]: Finished difference Result 1353 states and 1602 transitions. [2018-12-08 11:51:27,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 11:51:27,755 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-08 11:51:27,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:27,759 INFO L225 Difference]: With dead ends: 1353 [2018-12-08 11:51:27,759 INFO L226 Difference]: Without dead ends: 924 [2018-12-08 11:51:27,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 11:51:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2018-12-08 11:51:27,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 909. [2018-12-08 11:51:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2018-12-08 11:51:27,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1055 transitions. [2018-12-08 11:51:27,790 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1055 transitions. Word has length 104 [2018-12-08 11:51:27,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:27,790 INFO L480 AbstractCegarLoop]: Abstraction has 909 states and 1055 transitions. [2018-12-08 11:51:27,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 11:51:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1055 transitions. [2018-12-08 11:51:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 11:51:27,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:27,791 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:27,791 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:27,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:27,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1641621798, now seen corresponding path program 1 times [2018-12-08 11:51:27,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:27,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:27,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:27,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:27,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:51:27,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:27,877 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/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 [2018-12-08 11:51:27,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:27,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:51:28,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 11:51:28,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 11:51:28,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 11:51:28,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 11:51:28,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 11:51:28,088 INFO L87 Difference]: Start difference. First operand 909 states and 1055 transitions. Second operand 19 states. [2018-12-08 11:51:28,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:28,659 INFO L93 Difference]: Finished difference Result 1762 states and 2068 transitions. [2018-12-08 11:51:28,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 11:51:28,659 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-12-08 11:51:28,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:28,661 INFO L225 Difference]: With dead ends: 1762 [2018-12-08 11:51:28,662 INFO L226 Difference]: Without dead ends: 877 [2018-12-08 11:51:28,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 11:51:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2018-12-08 11:51:28,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2018-12-08 11:51:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-12-08 11:51:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1003 transitions. [2018-12-08 11:51:28,693 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1003 transitions. Word has length 108 [2018-12-08 11:51:28,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:28,693 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1003 transitions. [2018-12-08 11:51:28,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 11:51:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1003 transitions. [2018-12-08 11:51:28,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 11:51:28,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:51:28,696 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:51:28,696 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:51:28,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:51:28,696 INFO L82 PathProgramCache]: Analyzing trace with hash 885904890, now seen corresponding path program 1 times [2018-12-08 11:51:28,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:51:28,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:51:28,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:28,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:28,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:51:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 11:51:28,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:51:28,806 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/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 [2018-12-08 11:51:28,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:51:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:51:28,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:51:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 11:51:29,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 11:51:29,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 11:51:29,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 11:51:29,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 11:51:29,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 11:51:29,017 INFO L87 Difference]: Start difference. First operand 877 states and 1003 transitions. Second operand 19 states. [2018-12-08 11:51:29,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:51:29,616 INFO L93 Difference]: Finished difference Result 1469 states and 1708 transitions. [2018-12-08 11:51:29,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 11:51:29,617 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 178 [2018-12-08 11:51:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:51:29,618 INFO L225 Difference]: With dead ends: 1469 [2018-12-08 11:51:29,618 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 11:51:29,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 11:51:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 11:51:29,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 11:51:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 11:51:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 11:51:29,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-12-08 11:51:29,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:51:29,622 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:51:29,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 11:51:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 11:51:29,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:51:29,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 11:51:29,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:51:29,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:51:29,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:51:29,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:51:30,195 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-12-08 11:51:31,152 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2018-12-08 11:51:31,569 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2018-12-08 11:51:31,569 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2018-12-08 11:51:31,569 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2018-12-08 11:51:31,569 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2018-12-08 11:51:31,569 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 398 406) no Hoare annotation was computed. [2018-12-08 11:51:31,570 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,570 INFO L444 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,570 INFO L444 ceAbstractionStarter]: At program point L858-1(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,570 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2018-12-08 11:51:31,570 INFO L448 ceAbstractionStarter]: For program point L856(lines 856 863) no Hoare annotation was computed. [2018-12-08 11:51:31,570 INFO L448 ceAbstractionStarter]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2018-12-08 11:51:31,570 INFO L448 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2018-12-08 11:51:31,570 INFO L444 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,570 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,570 INFO L444 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,570 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2018-12-08 11:51:31,571 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 11:51:31,571 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 11:51:31,571 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-12-08 11:51:31,571 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 11:51:31,571 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-12-08 11:51:31,571 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-12-08 11:51:31,571 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 11:51:31,571 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-12-08 11:51:31,571 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 .cse2) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse2))) [2018-12-08 11:51:31,571 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2018-12-08 11:51:31,572 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2018-12-08 11:51:31,572 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-12-08 11:51:31,573 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L451 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-12-08 11:51:31,573 INFO L448 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2))) [2018-12-08 11:51:31,573 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2018-12-08 11:51:31,573 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 950 963) no Hoare annotation was computed. [2018-12-08 11:51:31,573 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse0) (or .cse1 .cse4 .cse2) (or .cse3 .cse1 .cse4))) [2018-12-08 11:51:31,574 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-12-08 11:51:31,574 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-08 11:51:31,574 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-12-08 11:51:31,574 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 11:51:31,574 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 11:51:31,574 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-12-08 11:51:31,574 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1))) [2018-12-08 11:51:31,574 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-12-08 11:51:31,574 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-12-08 11:51:31,574 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-12-08 11:51:31,574 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-12-08 11:51:31,574 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 303 368) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,575 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 355) no Hoare annotation was computed. [2018-12-08 11:51:31,575 INFO L444 ceAbstractionStarter]: At program point L351-2(lines 343 356) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:51:31,575 INFO L448 ceAbstractionStarter]: For program point L314(lines 313 360) no Hoare annotation was computed. [2018-12-08 11:51:31,575 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:51:31,575 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-12-08 11:51:31,575 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2018-12-08 11:51:31,575 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:51:31,575 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 339) no Hoare annotation was computed. [2018-12-08 11:51:31,575 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2018-12-08 11:51:31,575 INFO L444 ceAbstractionStarter]: At program point L358(lines 313 360) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:51:31,575 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~methaneLevelCritical~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:51:31,575 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 329) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L444 ceAbstractionStarter]: At program point L361(lines 312 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 964 972) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 11:51:31,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:51:31,576 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-12-08 11:51:31,577 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 11:51:31,577 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-12-08 11:51:31,577 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-12-08 11:51:31,577 INFO L451 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-12-08 11:51:31,577 INFO L448 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 897 908) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (= ~methaneLevelCritical~0 1)) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L451 ceAbstractionStarter]: At program point L800(lines 775 804) the Hoare annotation is: true [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L451 ceAbstractionStarter]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L451 ceAbstractionStarter]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2018-12-08 11:51:31,578 INFO L451 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2018-12-08 11:51:31,578 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2018-12-08 11:51:31,579 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2018-12-08 11:51:31,579 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-12-08 11:51:31,579 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not .cse7)) (.cse4 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse0) (or .cse4 .cse5 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse1 .cse8) (or .cse7 .cse8 .cse1 .cse2) (or .cse3 .cse5 .cse1 .cse6 .cse4)))) [2018-12-08 11:51:31,579 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-12-08 11:51:31,579 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-12-08 11:51:31,579 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse5)) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse9 (not .cse0)) (.cse7 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4) (or .cse1 .cse3 .cse6 .cse0 .cse2) (or .cse6 .cse2 .cse5) (or .cse7 .cse8 .cse2 .cse9 .cse4) (or .cse6 .cse8 .cse2 .cse9 .cse7)))) [2018-12-08 11:51:31,579 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse2 (= ~systemActive~0 0)) (.cse10 (not (= ~waterLevel~0 1)))) (let ((.cse3 (and (not .cse2) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not .cse0)) (.cse5 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse2 .cse9) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3 .cse4 .cse9) (or .cse10 .cse8 .cse0 .cse2 .cse1) (or .cse8 .cse6 .cse2 .cse7 .cse5)))) [2018-12-08 11:51:31,579 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 873 884) the Hoare annotation is: true [2018-12-08 11:51:31,579 INFO L448 ceAbstractionStarter]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2018-12-08 11:51:31,579 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2018-12-08 11:51:31,580 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2018-12-08 11:51:31,580 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2018-12-08 11:51:31,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:51:31,580 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0))) [2018-12-08 11:51:31,580 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 11:51:31,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:51:31,580 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2018-12-08 11:51:31,580 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 291 298) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse0 (= |old(~systemActive~0)| 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 11:51:31,580 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 291 298) no Hoare annotation was computed. [2018-12-08 11:51:31,580 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (and .cse2 .cse3) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 .cse2 .cse1) (or .cse0 .cse3 .cse1))) [2018-12-08 11:51:31,580 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 11:51:31,580 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-12-08 11:51:31,581 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 .cse2) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse2))) [2018-12-08 11:51:31,581 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-12-08 11:51:31,581 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-12-08 11:51:31,581 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-12-08 11:51:31,581 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 11:51:31,581 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-12-08 11:51:31,581 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| 0) .cse2) (or .cse1 .cse2 .cse0))) [2018-12-08 11:51:31,581 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2018-12-08 11:51:31,581 INFO L448 ceAbstractionStarter]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2018-12-08 11:51:31,581 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0))) [2018-12-08 11:51:31,581 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2018-12-08 11:51:31,581 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1001 1008) no Hoare annotation was computed. [2018-12-08 11:51:31,582 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2018-12-08 11:51:31,582 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2018-12-08 11:51:31,582 INFO L444 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 11:51:31,582 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2018-12-08 11:51:31,582 INFO L448 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-12-08 11:51:31,582 INFO L444 ceAbstractionStarter]: At program point L985(line 985) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 11:51:31,582 INFO L448 ceAbstractionStarter]: For program point L985-1(line 985) no Hoare annotation was computed. [2018-12-08 11:51:31,582 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2018-12-08 11:51:31,582 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 996) no Hoare annotation was computed. [2018-12-08 11:51:31,582 INFO L448 ceAbstractionStarter]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2018-12-08 11:51:31,582 INFO L451 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: true [2018-12-08 11:51:31,582 INFO L448 ceAbstractionStarter]: For program point L981-1(line 981) no Hoare annotation was computed. [2018-12-08 11:51:31,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:51:31 BoogieIcfgContainer [2018-12-08 11:51:31,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 11:51:31,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:51:31,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:51:31,592 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:51:31,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:51:25" (3/4) ... [2018-12-08 11:51:31,595 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:51:31,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 11:51:31,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 11:51:31,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 11:51:31,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 11:51:31,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 11:51:31,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:51:31,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 11:51:31,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 11:51:31,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 11:51:31,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 11:51:31,606 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 11:51:31,606 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 11:51:31,606 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 11:51:31,606 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 11:51:31,606 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 11:51:31,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 11:51:31,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 11:51:31,648 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b393a0f-5a40-4b8f-9dc8-fa2b62837bb6/bin-2019/uautomizer/witness.graphml [2018-12-08 11:51:31,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:51:31,648 INFO L168 Benchmark]: Toolchain (without parser) took 6539.46 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 355.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -252.0 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:51:31,649 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:51:31,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-08 11:51:31,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:51:31,649 INFO L168 Benchmark]: Boogie Preprocessor took 22.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:51:31,649 INFO L168 Benchmark]: RCFGBuilder took 343.17 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2018-12-08 11:51:31,649 INFO L168 Benchmark]: TraceAbstraction took 5804.06 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -171.4 MB). Peak memory consumption was 412.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:51:31,649 INFO L168 Benchmark]: Witness Printer took 55.73 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:51:31,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 343.17 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5804.06 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -171.4 MB). Peak memory consumption was 412.6 MB. Max. memory is 11.5 GB. * Witness Printer took 55.73 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1005]: 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: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 167 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2240 SDtfs, 1568 SDslu, 7758 SDs, 0 SdLazy, 3284 SolverSat, 391 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 429 GetRequests, 326 SyntacticMatches, 4 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=909occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1797 PreInvPairs, 1895 NumberOfFragments, 1692 HoareAnnotationTreeSize, 1797 FomulaSimplifications, 2158 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 70 FomulaSimplificationsInter, 7249 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1251 NumberOfCodeBlocks, 1251 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1238 ConstructedInterpolants, 0 QuantifiedInterpolants, 221125 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1700 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/118 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...