./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/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 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:11:25,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:11:25,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:11:25,619 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:11:25,619 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:11:25,619 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:11:25,620 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:11:25,621 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:11:25,622 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:11:25,623 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:11:25,624 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:11:25,624 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:11:25,624 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:11:25,625 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:11:25,626 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:11:25,626 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:11:25,627 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:11:25,628 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:11:25,629 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:11:25,630 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:11:25,631 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:11:25,632 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:11:25,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:11:25,633 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:11:25,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:11:25,634 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:11:25,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:11:25,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:11:25,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:11:25,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:11:25,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:11:25,637 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:11:25,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:11:25,638 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:11:25,638 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:11:25,639 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:11:25,639 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 16:11:25,648 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:11:25,649 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:11:25,649 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:11:25,649 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:11:25,650 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 16:11:25,650 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 16:11:25,650 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 16:11:25,650 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 16:11:25,650 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 16:11:25,650 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 16:11:25,650 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 16:11:25,650 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 16:11:25,651 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 16:11:25,651 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:11:25,651 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:11:25,651 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:11:25,652 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:11:25,652 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:11:25,652 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:11:25,652 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:11:25,652 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:11:25,652 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:11:25,652 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:11:25,652 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:11:25,653 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:11:25,653 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:11:25,653 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:11:25,653 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:11:25,653 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:11:25,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:11:25,653 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:11:25,654 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:11:25,654 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:11:25,654 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 16:11:25,654 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:11:25,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:11:25,654 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 16:11:25,654 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_91e0b370-138d-4b94-a990-cb5027e6c0d3/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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-11-23 16:11:25,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:11:25,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:11:25,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:11:25,689 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:11:25,689 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:11:25,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-23 16:11:25,735 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/data/fbe467978/f3eb2a3de5f744b6ad088ed7c048b72e/FLAG50b203fbc [2018-11-23 16:11:26,162 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:11:26,163 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-23 16:11:26,169 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/data/fbe467978/f3eb2a3de5f744b6ad088ed7c048b72e/FLAG50b203fbc [2018-11-23 16:11:26,181 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/data/fbe467978/f3eb2a3de5f744b6ad088ed7c048b72e [2018-11-23 16:11:26,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:11:26,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:11:26,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:11:26,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:11:26,186 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:11:26,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26, skipping insertion in model container [2018-11-23 16:11:26,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:11:26,228 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:11:26,444 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:11:26,455 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:11:26,575 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:11:26,600 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:11:26,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26 WrapperNode [2018-11-23 16:11:26,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:11:26,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:11:26,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:11:26,601 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:11:26,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:11:26,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:11:26,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:11:26,633 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:11:26,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... [2018-11-23 16:11:26,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:11:26,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:11:26,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:11:26,669 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:11:26,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/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 [2018-11-23 16:11:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 16:11:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 16:11:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:11:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:11:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:11:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 16:11:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 16:11:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 16:11:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 16:11:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 16:11:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 16:11:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 16:11:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 16:11:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 16:11:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 16:11:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 16:11:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 16:11:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 16:11:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 16:11:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 16:11:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 16:11:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 16:11:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 16:11:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 16:11:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 16:11:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 16:11:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 16:11:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 16:11:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 16:11:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 16:11:26,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 16:11:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 16:11:26,728 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 16:11:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:11:26,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:11:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 16:11:26,728 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 16:11:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 16:11:26,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 16:11:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 16:11:26,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 16:11:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 16:11:26,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 16:11:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 16:11:26,729 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 16:11:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 16:11:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 16:11:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 16:11:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 16:11:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 16:11:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:11:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:11:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 16:11:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 16:11:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 16:11:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 16:11:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:11:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:11:27,231 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:11:27,231 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 16:11:27,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:27 BoogieIcfgContainer [2018-11-23 16:11:27,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:11:27,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:11:27,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:11:27,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:11:27,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:11:26" (1/3) ... [2018-11-23 16:11:27,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3406c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:27, skipping insertion in model container [2018-11-23 16:11:27,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:11:26" (2/3) ... [2018-11-23 16:11:27,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3406c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:11:27, skipping insertion in model container [2018-11-23 16:11:27,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:27" (3/3) ... [2018-11-23 16:11:27,238 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-23 16:11:27,245 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:11:27,251 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:11:27,262 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:11:27,289 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:11:27,290 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:11:27,290 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:11:27,290 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:11:27,290 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:11:27,290 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:11:27,290 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:11:27,290 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:11:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-23 16:11:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 16:11:27,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:27,318 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:27,320 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:27,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:27,325 INFO L82 PathProgramCache]: Analyzing trace with hash 260930450, now seen corresponding path program 1 times [2018-11-23 16:11:27,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:27,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:27,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:27,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:27,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:27,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:27,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 16:11:27,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:27,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 16:11:27,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 16:11:27,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:11:27,562 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-23 16:11:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:27,591 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-11-23 16:11:27,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 16:11:27,593 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 16:11:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:27,605 INFO L225 Difference]: With dead ends: 260 [2018-11-23 16:11:27,605 INFO L226 Difference]: Without dead ends: 132 [2018-11-23 16:11:27,609 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 [2018-11-23 16:11:27,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-23 16:11:27,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-23 16:11:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-23 16:11:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-11-23 16:11:27,657 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2018-11-23 16:11:27,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:27,658 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-11-23 16:11:27,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 16:11:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-11-23 16:11:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 16:11:27,661 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:27,662 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:27,662 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:27,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:27,662 INFO L82 PathProgramCache]: Analyzing trace with hash -5097234, now seen corresponding path program 1 times [2018-11-23 16:11:27,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:27,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:27,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:27,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:27,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:27,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:27,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:11:27,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:27,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:11:27,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:11:27,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:11:27,748 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-11-23 16:11:27,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:27,768 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2018-11-23 16:11:27,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:11:27,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 16:11:27,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:27,770 INFO L225 Difference]: With dead ends: 205 [2018-11-23 16:11:27,771 INFO L226 Difference]: Without dead ends: 123 [2018-11-23 16:11:27,772 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 [2018-11-23 16:11:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-23 16:11:27,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-23 16:11:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-23 16:11:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-11-23 16:11:27,783 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2018-11-23 16:11:27,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:27,783 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-11-23 16:11:27,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:11:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-11-23 16:11:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 16:11:27,785 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:27,785 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:27,785 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:27,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:27,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1184972056, now seen corresponding path program 1 times [2018-11-23 16:11:27,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:27,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:27,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:27,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:27,787 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:27,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:27,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:11:27,936 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:27,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:11:27,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:11:27,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:11:27,937 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-11-23 16:11:28,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:28,264 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-11-23 16:11:28,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:11:28,265 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 16:11:28,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:28,266 INFO L225 Difference]: With dead ends: 218 [2018-11-23 16:11:28,266 INFO L226 Difference]: Without dead ends: 123 [2018-11-23 16:11:28,267 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 [2018-11-23 16:11:28,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-23 16:11:28,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-23 16:11:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-23 16:11:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-11-23 16:11:28,283 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2018-11-23 16:11:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:28,283 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-11-23 16:11:28,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:11:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-11-23 16:11:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 16:11:28,286 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:28,286 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:28,287 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:28,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:28,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1851907157, now seen corresponding path program 1 times [2018-11-23 16:11:28,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:28,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:28,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:28,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:28,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:28,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:28,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 16:11:28,402 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:28,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 16:11:28,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 16:11:28,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 16:11:28,403 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2018-11-23 16:11:28,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:28,769 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2018-11-23 16:11:28,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:11:28,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 16:11:28,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:28,773 INFO L225 Difference]: With dead ends: 319 [2018-11-23 16:11:28,773 INFO L226 Difference]: Without dead ends: 224 [2018-11-23 16:11:28,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:11:28,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-11-23 16:11:28,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2018-11-23 16:11:28,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-23 16:11:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2018-11-23 16:11:28,797 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2018-11-23 16:11:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:28,798 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2018-11-23 16:11:28,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 16:11:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2018-11-23 16:11:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 16:11:28,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:28,801 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:28,801 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:28,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:28,802 INFO L82 PathProgramCache]: Analyzing trace with hash 127778148, now seen corresponding path program 1 times [2018-11-23 16:11:28,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:28,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:28,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:28,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:28,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:28,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:28,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:11:28,893 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:28,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:11:28,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:11:28,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:11:28,894 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2018-11-23 16:11:29,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:29,051 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2018-11-23 16:11:29,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:11:29,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 16:11:29,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:29,056 INFO L225 Difference]: With dead ends: 541 [2018-11-23 16:11:29,056 INFO L226 Difference]: Without dead ends: 364 [2018-11-23 16:11:29,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 16:11:29,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-23 16:11:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2018-11-23 16:11:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-11-23 16:11:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2018-11-23 16:11:29,087 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2018-11-23 16:11:29,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:29,088 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2018-11-23 16:11:29,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:11:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2018-11-23 16:11:29,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 16:11:29,090 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:29,091 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:29,092 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:29,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:29,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1375705536, now seen corresponding path program 1 times [2018-11-23 16:11:29,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:29,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:29,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:29,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:29,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:29,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:29,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:11:29,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:29,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:11:29,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:11:29,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:11:29,211 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2018-11-23 16:11:29,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:29,602 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2018-11-23 16:11:29,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 16:11:29,603 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 16:11:29,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:29,604 INFO L225 Difference]: With dead ends: 719 [2018-11-23 16:11:29,604 INFO L226 Difference]: Without dead ends: 389 [2018-11-23 16:11:29,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 16:11:29,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-11-23 16:11:29,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2018-11-23 16:11:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-11-23 16:11:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2018-11-23 16:11:29,625 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2018-11-23 16:11:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:29,625 INFO L480 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2018-11-23 16:11:29,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:11:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2018-11-23 16:11:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 16:11:29,626 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:29,627 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:29,627 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:29,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:29,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1659091839, now seen corresponding path program 1 times [2018-11-23 16:11:29,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:29,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:29,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:29,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:29,628 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:29,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:29,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:11:29,688 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:29,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:11:29,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:11:29,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:11:29,689 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2018-11-23 16:11:29,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:29,712 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2018-11-23 16:11:29,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:11:29,713 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 16:11:29,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:29,715 INFO L225 Difference]: With dead ends: 696 [2018-11-23 16:11:29,715 INFO L226 Difference]: Without dead ends: 367 [2018-11-23 16:11:29,716 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 [2018-11-23 16:11:29,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-11-23 16:11:29,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-11-23 16:11:29,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-23 16:11:29,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-11-23 16:11:29,732 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2018-11-23 16:11:29,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:29,732 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-11-23 16:11:29,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:11:29,733 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-11-23 16:11:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 16:11:29,734 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:29,734 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:29,734 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:29,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:29,735 INFO L82 PathProgramCache]: Analyzing trace with hash -957491965, now seen corresponding path program 1 times [2018-11-23 16:11:29,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:29,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:29,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:29,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:29,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:29,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:29,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 16:11:29,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:29,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 16:11:29,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 16:11:29,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:11:29,803 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2018-11-23 16:11:29,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:29,837 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2018-11-23 16:11:29,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:11:29,838 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-23 16:11:29,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:29,840 INFO L225 Difference]: With dead ends: 720 [2018-11-23 16:11:29,840 INFO L226 Difference]: Without dead ends: 381 [2018-11-23 16:11:29,841 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 [2018-11-23 16:11:29,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-23 16:11:29,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-11-23 16:11:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-11-23 16:11:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2018-11-23 16:11:29,860 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2018-11-23 16:11:29,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:29,860 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2018-11-23 16:11:29,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 16:11:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2018-11-23 16:11:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 16:11:29,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:29,862 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:29,862 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:29,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:29,863 INFO L82 PathProgramCache]: Analyzing trace with hash 767988932, now seen corresponding path program 1 times [2018-11-23 16:11:29,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:29,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:29,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:29,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:29,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:29,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:29,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 16:11:29,916 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:29,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 16:11:29,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 16:11:29,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 16:11:29,917 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2018-11-23 16:11:30,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:30,099 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2018-11-23 16:11:30,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 16:11:30,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-23 16:11:30,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:30,102 INFO L225 Difference]: With dead ends: 1132 [2018-11-23 16:11:30,102 INFO L226 Difference]: Without dead ends: 785 [2018-11-23 16:11:30,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 16:11:30,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-11-23 16:11:30,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2018-11-23 16:11:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-11-23 16:11:30,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2018-11-23 16:11:30,129 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2018-11-23 16:11:30,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:30,129 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2018-11-23 16:11:30,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 16:11:30,129 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2018-11-23 16:11:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 16:11:30,131 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:30,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:30,132 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:30,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:30,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1891514934, now seen corresponding path program 1 times [2018-11-23 16:11:30,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:30,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:30,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:30,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:30,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:30,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:11:30,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:11:30,169 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:30,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:11:30,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:11:30,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:11:30,170 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2018-11-23 16:11:30,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:30,214 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2018-11-23 16:11:30,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:11:30,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-23 16:11:30,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:30,218 INFO L225 Difference]: With dead ends: 776 [2018-11-23 16:11:30,219 INFO L226 Difference]: Without dead ends: 773 [2018-11-23 16:11:30,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:11:30,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-11-23 16:11:30,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2018-11-23 16:11:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-11-23 16:11:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2018-11-23 16:11:30,250 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2018-11-23 16:11:30,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:30,251 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2018-11-23 16:11:30,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:11:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2018-11-23 16:11:30,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 16:11:30,254 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:30,254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:11:30,254 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:30,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:30,255 INFO L82 PathProgramCache]: Analyzing trace with hash -891413890, now seen corresponding path program 1 times [2018-11-23 16:11:30,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:30,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:30,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:30,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:30,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 16:11:30,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:11:30,375 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:11:30,376 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 16:11:30,377 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [24], [26], [27], [30], [34], [35], [36], [39], [41], [47], [51], [54], [55], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [95], [98], [108], [110], [113], [115], [118], [121], [124], [132], [133], [134], [135], [136], [137], [138], [139], [141], [146], [148], [149], [154], [156], [185], [188], [192], [198], [199], [200], [203], [207], [208], [214], [217], [219], [222], [229], [232], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [254], [255], [257], [258], [259], [260], [263], [264], [265], [266], [267], [268], [269], [270], [273], [274], [277], [278], [279], [280], [281], [283], [284], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [305], [306] [2018-11-23 16:11:30,408 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:11:30,409 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:11:32,555 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:11:32,556 INFO L272 AbstractInterpreter]: Visited 121 different actions 598 times. Merged at 18 different actions 55 times. Never widened. Performed 26215 root evaluator evaluations with a maximum evaluation depth of 3. Performed 26215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-23 16:11:32,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:32,563 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:11:32,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:11:32,563 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/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 [2018-11-23 16:11:32,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:32,572 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:11:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:32,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:11:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 16:11:32,993 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:11:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 16:11:33,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 16:11:33,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 16:11:33,537 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:33,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 16:11:33,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 16:11:33,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 16:11:33,539 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 8 states. [2018-11-23 16:11:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:33,799 INFO L93 Difference]: Finished difference Result 1212 states and 1390 transitions. [2018-11-23 16:11:33,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:11:33,800 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-23 16:11:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:33,802 INFO L225 Difference]: With dead ends: 1212 [2018-11-23 16:11:33,802 INFO L226 Difference]: Without dead ends: 593 [2018-11-23 16:11:33,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 16:11:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-11-23 16:11:33,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 564. [2018-11-23 16:11:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-11-23 16:11:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 634 transitions. [2018-11-23 16:11:33,833 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 634 transitions. Word has length 152 [2018-11-23 16:11:33,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:33,833 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 634 transitions. [2018-11-23 16:11:33,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 16:11:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 634 transitions. [2018-11-23 16:11:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 16:11:33,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:11:33,837 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 16:11:33,837 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:11:33,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:33,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1898100891, now seen corresponding path program 1 times [2018-11-23 16:11:33,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:11:33,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:33,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:33,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:11:33,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:11:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 16:11:33,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:11:33,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:11:33,962 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 16:11:33,963 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [30], [34], [35], [36], [51], [54], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [95], [98], [108], [110], [113], [115], [118], [121], [124], [132], [133], [134], [135], [136], [137], [138], [139], [141], [146], [148], [149], [154], [156], [188], [192], [198], [199], [200], [208], [214], [217], [219], [222], [232], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [254], [255], [265], [266], [267], [268], [269], [270], [273], [274], [277], [278], [279], [280], [281], [283], [284], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302] [2018-11-23 16:11:33,966 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:11:33,966 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:11:34,596 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:11:34,596 INFO L272 AbstractInterpreter]: Visited 100 different actions 341 times. Merged at 14 different actions 34 times. Never widened. Performed 15696 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15696 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 135 variables. [2018-11-23 16:11:34,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:11:34,606 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:11:34,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:11:34,606 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:11:34,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:11:34,624 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:11:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:11:34,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:11:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:11:34,750 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:11:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 16:11:35,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 16:11:35,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-23 16:11:35,046 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:11:35,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:11:35,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:11:35,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:11:35,047 INFO L87 Difference]: Start difference. First operand 564 states and 634 transitions. Second operand 3 states. [2018-11-23 16:11:35,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:11:35,095 INFO L93 Difference]: Finished difference Result 909 states and 1031 transitions. [2018-11-23 16:11:35,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:11:35,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-23 16:11:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:11:35,096 INFO L225 Difference]: With dead ends: 909 [2018-11-23 16:11:35,096 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 16:11:35,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:11:35,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 16:11:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 16:11:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 16:11:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 16:11:35,099 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-11-23 16:11:35,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:11:35,099 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 16:11:35,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:11:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 16:11:35,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:11:35,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 16:11:35,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:11:35,865 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-11-23 16:11:36,012 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-11-23 16:11:36,659 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-11-23 16:11:37,167 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2018-11-23 16:11:37,448 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-11-23 16:11:38,011 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2018-11-23 16:11:38,011 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2018-11-23 16:11:38,012 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-23 16:11:38,012 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2018-11-23 16:11:38,012 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-23 16:11:38,012 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,012 INFO L444 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,012 INFO L444 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,012 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2018-11-23 16:11:38,012 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2018-11-23 16:11:38,012 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 16:11:38,012 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2018-11-23 16:11:38,012 INFO L444 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,013 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,013 INFO L444 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,013 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2018-11-23 16:11:38,013 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2018-11-23 16:11:38,013 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2018-11-23 16:11:38,013 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2018-11-23 16:11:38,013 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2018-11-23 16:11:38,013 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2018-11-23 16:11:38,013 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,013 INFO L444 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,013 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2018-11-23 16:11:38,013 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2018-11-23 16:11:38,013 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2018-11-23 16:11:38,013 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2018-11-23 16:11:38,013 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L451 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse0 (or (< ~methaneLevelCritical~0 1) .cse2)))) [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 (or .cse1 .cse3)))) [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse0 (or .cse1 .cse3)))) [2018-11-23 16:11:38,014 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse4 .cse1)))) [2018-11-23 16:11:38,014 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 (or .cse5 .cse1) (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3)))) [2018-11-23 16:11:38,014 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2018-11-23 16:11:38,014 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse3 (or .cse5 .cse1)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2018-11-23 16:11:38,015 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,015 INFO L444 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-23 16:11:38,015 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L444 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L444 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-11-23 16:11:38,015 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2018-11-23 16:11:38,015 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-23 16:11:38,016 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-23 16:11:38,016 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2018-11-23 16:11:38,016 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L451 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 (or .cse6 .cse1) .cse7) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-11-23 16:11:38,017 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2018-11-23 16:11:38,018 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2018-11-23 16:11:38,018 INFO L448 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-11-23 16:11:38,018 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2018-11-23 16:11:38,018 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-11-23 16:11:38,018 INFO L451 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2018-11-23 16:11:38,018 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 16:11:38,018 INFO L451 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2018-11-23 16:11:38,018 INFO L451 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-11-23 16:11:38,018 INFO L448 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-11-23 16:11:38,018 INFO L451 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2018-11-23 16:11:38,018 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-11-23 16:11:38,019 INFO L444 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-11-23 16:11:38,019 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-11-23 16:11:38,019 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-11-23 16:11:38,019 INFO L448 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2018-11-23 16:11:38,019 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2018-11-23 16:11:38,019 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2018-11-23 16:11:38,019 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2018-11-23 16:11:38,019 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2018-11-23 16:11:38,019 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2018-11-23 16:11:38,020 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2018-11-23 16:11:38,020 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2018-11-23 16:11:38,020 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2018-11-23 16:11:38,020 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2018-11-23 16:11:38,020 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2018-11-23 16:11:38,020 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:11:38,020 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 16:11:38,020 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:11:38,020 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:11:38,020 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2018-11-23 16:11:38,020 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (or .cse4 .cse1 .cse2) .cse3 .cse5) (or .cse3 .cse6 (or .cse4 .cse1) .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2018-11-23 16:11:38,020 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2018-11-23 16:11:38,021 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-23 16:11:38,021 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 16:11:38,021 INFO L448 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2018-11-23 16:11:38,021 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2018-11-23 16:11:38,021 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 16:11:38,021 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-11-23 16:11:38,021 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2018-11-23 16:11:38,021 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-23 16:11:38,022 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-23 16:11:38,022 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2018-11-23 16:11:38,022 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2018-11-23 16:11:38,022 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-11-23 16:11:38,022 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-23 16:11:38,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 16:11:38,022 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 16:11:38,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 16:11:38,022 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 16:11:38,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:11:38 BoogieIcfgContainer [2018-11-23 16:11:38,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:11:38,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:11:38,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:11:38,033 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:11:38,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:11:27" (3/4) ... [2018-11-23 16:11:38,036 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:11:38,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 16:11:38,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 16:11:38,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 16:11:38,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:11:38,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 16:11:38,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 16:11:38,046 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 16:11:38,046 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 16:11:38,047 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 16:11:38,047 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 16:11:38,047 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 16:11:38,047 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:11:38,047 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:11:38,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-23 16:11:38,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 16:11:38,095 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_91e0b370-138d-4b94-a990-cb5027e6c0d3/bin-2019/utaipan/witness.graphml [2018-11-23 16:11:38,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:11:38,096 INFO L168 Benchmark]: Toolchain (without parser) took 11912.32 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 647.0 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -320.8 MB). Peak memory consumption was 326.2 MB. Max. memory is 11.5 GB. [2018-11-23 16:11:38,096 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:11:38,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 16:11:38,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:11:38,096 INFO L168 Benchmark]: Boogie Preprocessor took 35.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-23 16:11:38,097 INFO L168 Benchmark]: RCFGBuilder took 562.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:11:38,097 INFO L168 Benchmark]: TraceAbstraction took 10800.55 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 493.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -203.3 MB). Peak memory consumption was 577.6 MB. Max. memory is 11.5 GB. [2018-11-23 16:11:38,097 INFO L168 Benchmark]: Witness Printer took 62.10 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 628.1 kB). Peak memory consumption was 628.1 kB. Max. memory is 11.5 GB. [2018-11-23 16:11:38,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 416.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 562.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10800.55 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 493.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -203.3 MB). Peak memory consumption was 577.6 MB. Max. memory is 11.5 GB. * Witness Printer took 62.10 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 628.1 kB). Peak memory consumption was 628.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 10.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1984 SDtfs, 976 SDslu, 3831 SDs, 0 SdLazy, 1240 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 727 GetRequests, 642 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1359 PreInvPairs, 1417 NumberOfFragments, 2538 HoareAnnotationTreeSize, 1359 FomulaSimplifications, 5885 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7260 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1658 ConstructedInterpolants, 0 QuantifiedInterpolants, 318276 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1802 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 275/291 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...