./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product34_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_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae55322c9e2147e3768d03287d4758f350a7d088 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:38:25,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:38:25,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:38:25,500 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:38:25,500 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:38:25,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:38:25,501 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:38:25,502 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:38:25,503 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:38:25,504 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:38:25,505 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:38:25,505 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:38:25,505 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:38:25,506 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:38:25,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:38:25,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:38:25,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:38:25,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:38:25,510 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:38:25,511 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:38:25,512 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:38:25,513 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:38:25,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:38:25,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:38:25,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:38:25,515 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:38:25,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:38:25,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:38:25,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:38:25,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:38:25,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:38:25,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:38:25,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:38:25,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:38:25,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:38:25,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:38:25,520 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:38:25,530 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:38:25,530 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:38:25,531 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:38:25,531 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:38:25,531 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:38:25,531 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:38:25,531 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:38:25,531 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:38:25,531 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:38:25,531 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:38:25,532 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:38:25,532 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:38:25,532 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:38:25,532 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:38:25,532 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:38:25,532 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:38:25,532 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:38:25,533 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:38:25,533 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:38:25,533 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:38:25,533 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:38:25,533 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:38:25,533 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:38:25,533 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:38:25,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:38:25,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:38:25,534 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan 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 -> Taipan 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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2018-12-09 18:38:25,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:38:25,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:38:25,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:38:25,569 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:38:25,569 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:38:25,570 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-12-09 18:38:25,614 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/data/dafa1c46d/1c34717a8e424f33a48c72807dae8ef1/FLAGb43993a0b [2018-12-09 18:38:26,041 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:38:26,042 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-12-09 18:38:26,048 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/data/dafa1c46d/1c34717a8e424f33a48c72807dae8ef1/FLAGb43993a0b [2018-12-09 18:38:26,057 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/data/dafa1c46d/1c34717a8e424f33a48c72807dae8ef1 [2018-12-09 18:38:26,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:38:26,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:38:26,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:26,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:38:26,063 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:38:26,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26, skipping insertion in model container [2018-12-09 18:38:26,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:38:26,091 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:38:26,245 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:26,262 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:38:26,306 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:26,348 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:38:26,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26 WrapperNode [2018-12-09 18:38:26,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:26,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:26,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:38:26,349 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:38:26,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:26,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:38:26,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:38:26,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:38:26,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... [2018-12-09 18:38:26,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:38:26,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:38:26,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:38:26,388 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:38:26,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/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 [2018-12-09 18:38:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 18:38:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 18:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:38:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 18:38:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 18:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 18:38:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 18:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 18:38:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 18:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 18:38:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 18:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 18:38:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 18:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 18:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 18:38:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 18:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 18:38:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 18:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 18:38:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 18:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 18:38:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 18:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 18:38:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 18:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 18:38:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 18:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 18:38:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 18:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 18:38:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 18:38:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 18:38:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 18:38:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 18:38:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 18:38:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 18:38:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 18:38:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 18:38:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 18:38:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 18:38:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 18:38:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 18:38:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 18:38:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 18:38:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 18:38:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:38:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:38:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 18:38:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 18:38:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 18:38:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 18:38:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:38:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:38:26,683 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:38:26,683 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 18:38:26,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:26 BoogieIcfgContainer [2018-12-09 18:38:26,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:38:26,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:38:26,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:38:26,686 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:38:26,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:38:26" (1/3) ... [2018-12-09 18:38:26,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6130aa7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:38:26, skipping insertion in model container [2018-12-09 18:38:26,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:26" (2/3) ... [2018-12-09 18:38:26,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6130aa7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:38:26, skipping insertion in model container [2018-12-09 18:38:26,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:26" (3/3) ... [2018-12-09 18:38:26,689 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-12-09 18:38:26,698 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:38:26,704 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:38:26,717 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:38:26,736 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:38:26,737 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:38:26,737 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:38:26,737 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:38:26,737 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:38:26,737 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:38:26,737 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:38:26,737 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:38:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-12-09 18:38:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 18:38:26,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:26,761 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] [2018-12-09 18:38:26,763 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:26,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:26,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1718432937, now seen corresponding path program 1 times [2018-12-09 18:38:26,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:26,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:26,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:26,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:26,797 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:26,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:26,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:38:26,931 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:26,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:38:26,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:38:26,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:38:26,943 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2018-12-09 18:38:26,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:26,963 INFO L93 Difference]: Finished difference Result 234 states and 291 transitions. [2018-12-09 18:38:26,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:38:26,964 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 18:38:26,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:26,970 INFO L225 Difference]: With dead ends: 234 [2018-12-09 18:38:26,971 INFO L226 Difference]: Without dead ends: 119 [2018-12-09 18:38:26,973 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 [2018-12-09 18:38:26,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-09 18:38:26,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-09 18:38:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-09 18:38:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-12-09 18:38:27,001 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2018-12-09 18:38:27,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:27,001 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-12-09 18:38:27,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:38:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-09 18:38:27,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 18:38:27,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:27,003 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] [2018-12-09 18:38:27,003 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:27,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:27,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1557942145, now seen corresponding path program 1 times [2018-12-09 18:38:27,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:27,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:27,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:27,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:27,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:38:27,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:27,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:38:27,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:38:27,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:38:27,054 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2018-12-09 18:38:27,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:27,065 INFO L93 Difference]: Finished difference Result 179 states and 209 transitions. [2018-12-09 18:38:27,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:38:27,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 18:38:27,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:27,067 INFO L225 Difference]: With dead ends: 179 [2018-12-09 18:38:27,067 INFO L226 Difference]: Without dead ends: 110 [2018-12-09 18:38:27,068 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 [2018-12-09 18:38:27,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-09 18:38:27,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-09 18:38:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 18:38:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-12-09 18:38:27,074 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2018-12-09 18:38:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:27,074 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-12-09 18:38:27,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:38:27,075 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-12-09 18:38:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 18:38:27,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:27,076 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] [2018-12-09 18:38:27,076 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:27,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:27,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1475085865, now seen corresponding path program 1 times [2018-12-09 18:38:27,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:27,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:27,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:27,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:27,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:38:27,141 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:27,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:38:27,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:38:27,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:38:27,142 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 7 states. [2018-12-09 18:38:27,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:27,324 INFO L93 Difference]: Finished difference Result 192 states and 227 transitions. [2018-12-09 18:38:27,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:38:27,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-09 18:38:27,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:27,325 INFO L225 Difference]: With dead ends: 192 [2018-12-09 18:38:27,325 INFO L226 Difference]: Without dead ends: 110 [2018-12-09 18:38:27,325 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:38:27,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-09 18:38:27,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-09 18:38:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 18:38:27,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2018-12-09 18:38:27,332 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2018-12-09 18:38:27,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:27,333 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2018-12-09 18:38:27,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:38:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2018-12-09 18:38:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 18:38:27,335 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:27,335 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] [2018-12-09 18:38:27,335 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:27,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:27,335 INFO L82 PathProgramCache]: Analyzing trace with hash -2137786116, now seen corresponding path program 1 times [2018-12-09 18:38:27,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:27,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:27,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:27,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:27,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 18:38:27,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:27,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 18:38:27,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 18:38:27,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 18:38:27,386 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 5 states. [2018-12-09 18:38:27,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:27,699 INFO L93 Difference]: Finished difference Result 287 states and 347 transitions. [2018-12-09 18:38:27,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:38:27,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2018-12-09 18:38:27,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:27,701 INFO L225 Difference]: With dead ends: 287 [2018-12-09 18:38:27,701 INFO L226 Difference]: Without dead ends: 205 [2018-12-09 18:38:27,702 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:38:27,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-12-09 18:38:27,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 186. [2018-12-09 18:38:27,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-12-09 18:38:27,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2018-12-09 18:38:27,716 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 73 [2018-12-09 18:38:27,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:27,717 INFO L480 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2018-12-09 18:38:27,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 18:38:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2018-12-09 18:38:27,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 18:38:27,718 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:27,718 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] [2018-12-09 18:38:27,718 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:27,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:27,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1021187037, now seen corresponding path program 1 times [2018-12-09 18:38:27,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:27,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:27,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:27,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 18:38:27,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:27,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:38:27,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:27,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:38:27,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:38:27,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:38:27,808 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand 7 states. [2018-12-09 18:38:28,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:28,127 INFO L93 Difference]: Finished difference Result 362 states and 432 transitions. [2018-12-09 18:38:28,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 18:38:28,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-09 18:38:28,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:28,129 INFO L225 Difference]: With dead ends: 362 [2018-12-09 18:38:28,129 INFO L226 Difference]: Without dead ends: 204 [2018-12-09 18:38:28,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 18:38:28,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-12-09 18:38:28,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 185. [2018-12-09 18:38:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-12-09 18:38:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2018-12-09 18:38:28,140 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 87 [2018-12-09 18:38:28,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:28,140 INFO L480 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2018-12-09 18:38:28,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:38:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2018-12-09 18:38:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 18:38:28,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:28,142 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] [2018-12-09 18:38:28,142 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:28,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:28,142 INFO L82 PathProgramCache]: Analyzing trace with hash -433776398, now seen corresponding path program 1 times [2018-12-09 18:38:28,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:28,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:28,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,143 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:28,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:28,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:38:28,188 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:28,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:38:28,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:38:28,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:38:28,189 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 6 states. [2018-12-09 18:38:28,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:28,208 INFO L93 Difference]: Finished difference Result 347 states and 405 transitions. [2018-12-09 18:38:28,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:38:28,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 18:38:28,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:28,210 INFO L225 Difference]: With dead ends: 347 [2018-12-09 18:38:28,210 INFO L226 Difference]: Without dead ends: 190 [2018-12-09 18:38:28,211 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 [2018-12-09 18:38:28,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-12-09 18:38:28,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-12-09 18:38:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-12-09 18:38:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2018-12-09 18:38:28,220 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 88 [2018-12-09 18:38:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:28,220 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2018-12-09 18:38:28,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:38:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2018-12-09 18:38:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 18:38:28,221 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:28,222 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] [2018-12-09 18:38:28,222 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:28,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:28,222 INFO L82 PathProgramCache]: Analyzing trace with hash 952426996, now seen corresponding path program 1 times [2018-12-09 18:38:28,222 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:28,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:28,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,223 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:28,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:28,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 18:38:28,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:28,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 18:38:28,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 18:38:28,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:38:28,277 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 8 states. [2018-12-09 18:38:28,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:28,303 INFO L93 Difference]: Finished difference Result 359 states and 421 transitions. [2018-12-09 18:38:28,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:38:28,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-09 18:38:28,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:28,305 INFO L225 Difference]: With dead ends: 359 [2018-12-09 18:38:28,305 INFO L226 Difference]: Without dead ends: 197 [2018-12-09 18:38:28,306 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 [2018-12-09 18:38:28,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-12-09 18:38:28,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2018-12-09 18:38:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-12-09 18:38:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 221 transitions. [2018-12-09 18:38:28,319 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 221 transitions. Word has length 88 [2018-12-09 18:38:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:28,320 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 221 transitions. [2018-12-09 18:38:28,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 18:38:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2018-12-09 18:38:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 18:38:28,321 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:28,321 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] [2018-12-09 18:38:28,321 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:28,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:28,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1231249931, now seen corresponding path program 1 times [2018-12-09 18:38:28,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:28,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:28,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:28,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:28,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:38:28,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:28,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:38:28,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:38:28,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:38:28,389 INFO L87 Difference]: Start difference. First operand 194 states and 221 transitions. Second operand 4 states. [2018-12-09 18:38:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:28,499 INFO L93 Difference]: Finished difference Result 562 states and 671 transitions. [2018-12-09 18:38:28,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 18:38:28,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-09 18:38:28,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:28,501 INFO L225 Difference]: With dead ends: 562 [2018-12-09 18:38:28,501 INFO L226 Difference]: Without dead ends: 396 [2018-12-09 18:38:28,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:38:28,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-12-09 18:38:28,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 387. [2018-12-09 18:38:28,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-12-09 18:38:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 451 transitions. [2018-12-09 18:38:28,524 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 451 transitions. Word has length 88 [2018-12-09 18:38:28,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:28,524 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 451 transitions. [2018-12-09 18:38:28,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:38:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 451 transitions. [2018-12-09 18:38:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 18:38:28,525 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:28,525 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] [2018-12-09 18:38:28,526 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:28,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:28,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1452787793, now seen corresponding path program 1 times [2018-12-09 18:38:28,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:28,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:28,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:28,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:28,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:38:28,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 18:38:28,620 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:38:28,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:38:28,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:38:28,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:38:28,621 INFO L87 Difference]: Start difference. First operand 387 states and 451 transitions. Second operand 9 states. [2018-12-09 18:38:29,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:29,095 INFO L93 Difference]: Finished difference Result 1022 states and 1243 transitions. [2018-12-09 18:38:29,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 18:38:29,096 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2018-12-09 18:38:29,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:29,098 INFO L225 Difference]: With dead ends: 1022 [2018-12-09 18:38:29,099 INFO L226 Difference]: Without dead ends: 730 [2018-12-09 18:38:29,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:38:29,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-12-09 18:38:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 652. [2018-12-09 18:38:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-12-09 18:38:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 751 transitions. [2018-12-09 18:38:29,140 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 751 transitions. Word has length 92 [2018-12-09 18:38:29,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:29,140 INFO L480 AbstractCegarLoop]: Abstraction has 652 states and 751 transitions. [2018-12-09 18:38:29,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:38:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 751 transitions. [2018-12-09 18:38:29,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 18:38:29,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:38:29,141 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:38:29,141 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:38:29,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:29,141 INFO L82 PathProgramCache]: Analyzing trace with hash 148420253, now seen corresponding path program 1 times [2018-12-09 18:38:29,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:38:29,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:29,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:29,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:38:29,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:38:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:29,211 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 18:38:29,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:29,212 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:38:29,212 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 18:38:29,213 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [57], [59], [62], [69], [72], [73], [77], [78], [79], [80], [89], [93], [97], [100], [103], [105], [111], [113], [119], [122], [132], [133], [134], [135], [136], [138], [143], [145], [146], [147], [148], [185], [188], [192], [198], [201], [205], [206], [214], [218], [219], [222], [223], [224], [225], [226], [227], [228], [230], [231], [232], [233], [234], [235], [236], [237], [238], [240], [241], [242], [244], [245], [246], [247], [250], [251], [252], [253], [258], [259], [262], [263], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278] [2018-12-09 18:38:29,237 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:38:29,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:38:30,036 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:38:30,037 INFO L272 AbstractInterpreter]: Visited 105 different actions 435 times. Merged at 16 different actions 46 times. Never widened. Performed 15669 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15669 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-09 18:38:30,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:30,042 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:38:30,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:38:30,042 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/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 [2018-12-09 18:38:30,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:38:30,050 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:38:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:30,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:30,219 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:30,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:38:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 18:38:30,422 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:38:30,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 18:38:30,422 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:38:30,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 18:38:30,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 18:38:30,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:38:30,423 INFO L87 Difference]: Start difference. First operand 652 states and 751 transitions. Second operand 16 states. [2018-12-09 18:38:30,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:38:30,846 INFO L93 Difference]: Finished difference Result 1031 states and 1207 transitions. [2018-12-09 18:38:30,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 18:38:30,846 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-12-09 18:38:30,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:38:30,847 INFO L225 Difference]: With dead ends: 1031 [2018-12-09 18:38:30,847 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:38:30,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 263 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2018-12-09 18:38:30,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:38:30,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:38:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:38:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:38:30,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2018-12-09 18:38:30,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:38:30,850 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:38:30,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 18:38:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:38:30,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:38:30,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:38:30,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:38:30,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:38:31,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:38:31,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:38:31,438 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-12-09 18:38:32,177 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2018-12-09 18:38:32,421 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 18:38:32,421 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 18:38:32,421 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 18:38:32,421 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 18:38:32,422 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 18:38:32,422 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 18:38:32,422 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2018-12-09 18:38:32,422 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2018-12-09 18:38:32,422 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) the Hoare annotation is: (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse3))) [2018-12-09 18:38:32,422 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2018-12-09 18:38:32,422 INFO L448 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2018-12-09 18:38:32,422 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2018-12-09 18:38:32,422 INFO L444 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2))) [2018-12-09 18:38:32,422 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2018-12-09 18:38:32,423 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 834) no Hoare annotation was computed. [2018-12-09 18:38:32,423 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1))) [2018-12-09 18:38:32,423 INFO L448 ceAbstractionStarter]: For program point L822-1(line 822) no Hoare annotation was computed. [2018-12-09 18:38:32,423 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 837) no Hoare annotation was computed. [2018-12-09 18:38:32,423 INFO L448 ceAbstractionStarter]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2018-12-09 18:38:32,423 INFO L451 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-12-09 18:38:32,423 INFO L448 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-12-09 18:38:32,423 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2018-12-09 18:38:32,423 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2018-12-09 18:38:32,423 INFO L444 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:38:32,423 INFO L444 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:38:32,423 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 18:38:32,424 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2018-12-09 18:38:32,424 INFO L448 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2018-12-09 18:38:32,424 INFO L448 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2018-12-09 18:38:32,424 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 18:38:32,424 INFO L444 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 18:38:32,424 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2018-12-09 18:38:32,424 INFO L444 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 18:38:32,424 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2018-12-09 18:38:32,424 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2018-12-09 18:38:32,424 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2018-12-09 18:38:32,424 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2018-12-09 18:38:32,424 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 18:38:32,424 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 18:38:32,425 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 904 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 18:38:32,425 INFO L444 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:38:32,425 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2018-12-09 18:38:32,425 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2018-12-09 18:38:32,425 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-12-09 18:38:32,425 INFO L448 ceAbstractionStarter]: For program point L672(lines 672 689) no Hoare annotation was computed. [2018-12-09 18:38:32,425 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2018-12-09 18:38:32,425 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 668 692) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-12-09 18:38:32,425 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-12-09 18:38:32,425 INFO L448 ceAbstractionStarter]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2018-12-09 18:38:32,425 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse3 (and (= processEnvironment_~tmp~4 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse3 .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-12-09 18:38:32,426 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-12-09 18:38:32,426 INFO L448 ceAbstractionStarter]: For program point L676(lines 676 684) no Hoare annotation was computed. [2018-12-09 18:38:32,426 INFO L444 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-09 18:38:32,426 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2018-12-09 18:38:32,426 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2018-12-09 18:38:32,426 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2018-12-09 18:38:32,426 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2018-12-09 18:38:32,426 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2018-12-09 18:38:32,426 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2018-12-09 18:38:32,426 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:38:32,426 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2018-12-09 18:38:32,427 INFO L444 ceAbstractionStarter]: At program point L605-2(lines 597 610) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 18:38:32,427 INFO L448 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2018-12-09 18:38:32,427 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 18:38:32,427 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2018-12-09 18:38:32,427 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2018-12-09 18:38:32,427 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 18:38:32,427 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2018-12-09 18:38:32,427 INFO L448 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2018-12-09 18:38:32,427 INFO L444 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-12-09 18:38:32,427 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse3 .cse5 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L444 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 693 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 778) no Hoare annotation was computed. [2018-12-09 18:38:32,428 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2018-12-09 18:38:32,428 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L451 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: true [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L451 ceAbstractionStarter]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2018-12-09 18:38:32,429 INFO L448 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2018-12-09 18:38:32,429 INFO L451 ceAbstractionStarter]: At program point L853-2(lines 853 867) the Hoare annotation is: true [2018-12-09 18:38:32,430 INFO L451 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2018-12-09 18:38:32,430 INFO L448 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2018-12-09 18:38:32,430 INFO L451 ceAbstractionStarter]: At program point L868(lines 843 872) the Hoare annotation is: true [2018-12-09 18:38:32,430 INFO L448 ceAbstractionStarter]: For program point L640(lines 636 658) no Hoare annotation was computed. [2018-12-09 18:38:32,430 INFO L448 ceAbstractionStarter]: For program point L638(lines 636 658) no Hoare annotation was computed. [2018-12-09 18:38:32,430 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 1)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse1 .cse8)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 (= 1 ~waterLevel~0)) .cse1 .cse3) (or (and .cse5 .cse6) .cse7) (or (or .cse1 .cse8) .cse9 (and .cse10 .cse6)) (or (and .cse10 .cse6 .cse4) .cse9 .cse1 .cse2) (or .cse2 .cse7 .cse4)))) [2018-12-09 18:38:32,430 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2018-12-09 18:38:32,430 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (or (or .cse4 .cse3 .cse7) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)))) [2018-12-09 18:38:32,430 INFO L444 ceAbstractionStarter]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse5 .cse8 .cse2) (and .cse1 .cse8) (or .cse4 .cse3 .cse7))))) [2018-12-09 18:38:32,430 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2018-12-09 18:38:32,431 INFO L444 ceAbstractionStarter]: At program point L642(line 642) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse3 .cse4 .cse5) (or .cse1 .cse2) .cse6) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-12-09 18:38:32,431 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2018-12-09 18:38:32,431 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 462 473) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-12-09 18:38:32,431 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2018-12-09 18:38:32,431 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2018-12-09 18:38:32,431 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2018-12-09 18:38:32,431 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:38:32,431 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 18:38:32,431 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:38:32,431 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:38:32,431 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2018-12-09 18:38:32,431 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 784 791) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse3 .cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (or .cse2 .cse4) .cse3 .cse1) (or .cse1 (or .cse0 .cse2 .cse4)))) [2018-12-09 18:38:32,431 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2018-12-09 18:38:32,432 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2018-12-09 18:38:32,432 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2018-12-09 18:38:32,432 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or (or (= ~waterLevel~0 1) .cse2) .cse1 .cse3 .cse4) (or (or .cse0 .cse1) .cse2 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5))) [2018-12-09 18:38:32,432 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-12-09 18:38:32,432 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-12-09 18:38:32,432 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-12-09 18:38:32,432 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-12-09 18:38:32,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:38:32 BoogieIcfgContainer [2018-12-09 18:38:32,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:38:32,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:38:32,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:38:32,442 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:38:32,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:26" (3/4) ... [2018-12-09 18:38:32,445 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 18:38:32,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 18:38:32,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 18:38:32,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 18:38:32,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 18:38:32,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 18:38:32,457 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 18:38:32,457 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 18:38:32,457 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 18:38:32,457 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 18:38:32,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 18:38:32,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:38:32,475 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-12-09 18:38:32,475 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 18:38:32,495 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_628d98e9-28ed-4296-8fff-15ce13832c20/bin-2019/utaipan/witness.graphml [2018-12-09 18:38:32,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:38:32,496 INFO L168 Benchmark]: Toolchain (without parser) took 6436.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 945.9 MB in the beginning and 857.6 MB in the end (delta: 88.3 MB). Peak memory consumption was 362.5 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:32,496 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:38:32,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.58 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -57.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:32,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.69 ms. Allocated memory is still 1.0 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:38:32,497 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:32,497 INFO L168 Benchmark]: RCFGBuilder took 295.35 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 952.5 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:32,497 INFO L168 Benchmark]: TraceAbstraction took 5757.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 952.5 MB in the beginning and 867.7 MB in the end (delta: 84.9 MB). Peak memory consumption was 524.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:32,497 INFO L168 Benchmark]: Witness Printer took 53.23 ms. Allocated memory is still 1.3 GB. Free memory was 867.7 MB in the beginning and 857.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:32,499 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.58 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -57.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.69 ms. Allocated memory is still 1.0 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.82 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 295.35 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 952.5 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5757.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 952.5 MB in the beginning and 867.7 MB in the end (delta: 84.9 MB). Peak memory consumption was 524.0 MB. Max. memory is 11.5 GB. * Witness Printer took 53.23 ms. Allocated memory is still 1.3 GB. Free memory was 867.7 MB in the beginning and 857.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 132 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1551 SDtfs, 1255 SDslu, 4389 SDs, 0 SdLazy, 2198 SolverSat, 485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 397 GetRequests, 307 SyntacticMatches, 8 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=652occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 128 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 806 PreInvPairs, 874 NumberOfFragments, 1712 HoareAnnotationTreeSize, 806 FomulaSimplifications, 2429 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5165 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1096 ConstructedInterpolants, 0 QuantifiedInterpolants, 192700 SizeOfPredicates, 4 NumberOfNonLiveVariables, 862 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 121/144 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...