./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_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_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/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 9c111f83061d8c18367444893b685a787d8ca976 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:47:33,785 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:47:33,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:47:33,792 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:47:33,792 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:47:33,793 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:47:33,794 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:47:33,795 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:47:33,796 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:47:33,796 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:47:33,797 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:47:33,797 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:47:33,798 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:47:33,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:47:33,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:47:33,799 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:47:33,800 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:47:33,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:47:33,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:47:33,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:47:33,804 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:47:33,805 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:47:33,807 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:47:33,807 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:47:33,807 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:47:33,808 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:47:33,808 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:47:33,809 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:47:33,809 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:47:33,810 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:47:33,810 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:47:33,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:47:33,811 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:47:33,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:47:33,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:47:33,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:47:33,812 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:47:33,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:47:33,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:47:33,820 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:47:33,820 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:47:33,820 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:47:33,820 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:47:33,821 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:47:33,821 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:47:33,821 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:47:33,821 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:47:33,821 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:47:33,821 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:47:33,821 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:47:33,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:47:33,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:47:33,822 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:47:33,822 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:47:33,822 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:47:33,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:47:33,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:47:33,823 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:47:33,823 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:47:33,823 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:47:33,823 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:47:33,823 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:47:33,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:47:33,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:47:33,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:47:33,824 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:47:33,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:47:33,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:47:33,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:47:33,824 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:47:33,825 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:47:33,825 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:47:33,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:47:33,825 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:47:33,825 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_e2dc5bba-48f0-428f-bcda-eca361fa960a/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 -> 9c111f83061d8c18367444893b685a787d8ca976 [2018-11-23 02:47:33,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:47:33,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:47:33,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:47:33,861 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:47:33,862 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:47:33,862 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-23 02:47:33,908 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/data/2554a79a0/c1676f8fd44e4260906a66a795216f73/FLAG1174fe5a9 [2018-11-23 02:47:34,366 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:47:34,366 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-23 02:47:34,379 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/data/2554a79a0/c1676f8fd44e4260906a66a795216f73/FLAG1174fe5a9 [2018-11-23 02:47:34,881 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/data/2554a79a0/c1676f8fd44e4260906a66a795216f73 [2018-11-23 02:47:34,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:47:34,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:47:34,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:47:34,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:47:34,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:47:34,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:34" (1/1) ... [2018-11-23 02:47:34,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5876d528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:34, skipping insertion in model container [2018-11-23 02:47:34,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:34" (1/1) ... [2018-11-23 02:47:34,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:47:34,928 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:47:35,118 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:47:35,126 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:47:35,228 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:47:35,248 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:47:35,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35 WrapperNode [2018-11-23 02:47:35,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:47:35,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:47:35,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:47:35,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:47:35,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:47:35,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:47:35,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:47:35,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:47:35,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... [2018-11-23 02:47:35,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:47:35,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:47:35,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:47:35,293 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:47:35,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/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 02:47:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 02:47:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 02:47:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:47:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:47:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 02:47:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 02:47:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:47:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 02:47:35,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 02:47:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 02:47:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 02:47:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 02:47:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 02:47:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 02:47:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 02:47:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 02:47:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 02:47:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 02:47:35,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 02:47:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 02:47:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 02:47:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 02:47:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 02:47:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 02:47:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 02:47:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 02:47:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 02:47:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 02:47:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 02:47:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 02:47:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 02:47:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 02:47:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 02:47:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 02:47:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 02:47:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 02:47:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 02:47:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 02:47:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 02:47:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 02:47:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 02:47:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 02:47:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 02:47:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 02:47:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 02:47:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 02:47:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 02:47:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 02:47:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 02:47:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 02:47:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 02:47:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:47:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:47:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:47:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 02:47:35,335 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 02:47:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 02:47:35,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 02:47:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:47:35,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:47:35,726 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:47:35,726 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 02:47:35,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:35 BoogieIcfgContainer [2018-11-23 02:47:35,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:47:35,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:47:35,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:47:35,730 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:47:35,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:47:34" (1/3) ... [2018-11-23 02:47:35,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cadb4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:35, skipping insertion in model container [2018-11-23 02:47:35,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:35" (2/3) ... [2018-11-23 02:47:35,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cadb4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:35, skipping insertion in model container [2018-11-23 02:47:35,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:35" (3/3) ... [2018-11-23 02:47:35,734 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-23 02:47:35,741 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:47:35,748 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:47:35,759 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:47:35,782 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:47:35,782 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:47:35,782 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:47:35,782 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:47:35,782 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:47:35,782 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:47:35,783 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:47:35,783 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:47:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-23 02:47:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 02:47:35,803 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:35,804 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 02:47:35,806 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:35,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:35,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2091806382, now seen corresponding path program 1 times [2018-11-23 02:47:35,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:35,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:35,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:35,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:35,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:35,988 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 02:47:35,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:35,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:47:35,990 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:35,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:47:36,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:47:36,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:47:36,002 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-23 02:47:36,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:36,030 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-11-23 02:47:36,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:47:36,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 02:47:36,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:36,040 INFO L225 Difference]: With dead ends: 272 [2018-11-23 02:47:36,040 INFO L226 Difference]: Without dead ends: 138 [2018-11-23 02:47:36,043 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 02:47:36,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-23 02:47:36,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-23 02:47:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-23 02:47:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2018-11-23 02:47:36,082 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2018-11-23 02:47:36,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:36,082 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2018-11-23 02:47:36,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:47:36,083 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2018-11-23 02:47:36,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 02:47:36,085 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:36,085 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 02:47:36,086 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:36,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:36,086 INFO L82 PathProgramCache]: Analyzing trace with hash -692733716, now seen corresponding path program 1 times [2018-11-23 02:47:36,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:36,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:36,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:36,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:36,088 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:36,159 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 02:47:36,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:36,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:47:36,160 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:36,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:47:36,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:47:36,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:47:36,162 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2018-11-23 02:47:36,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:36,179 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2018-11-23 02:47:36,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:47:36,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 02:47:36,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:36,181 INFO L225 Difference]: With dead ends: 211 [2018-11-23 02:47:36,182 INFO L226 Difference]: Without dead ends: 129 [2018-11-23 02:47:36,182 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 02:47:36,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-23 02:47:36,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-23 02:47:36,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-23 02:47:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2018-11-23 02:47:36,194 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2018-11-23 02:47:36,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:36,194 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2018-11-23 02:47:36,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:47:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2018-11-23 02:47:36,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 02:47:36,196 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:36,197 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 02:47:36,197 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:36,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash -925146630, now seen corresponding path program 1 times [2018-11-23 02:47:36,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:36,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:36,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:36,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:36,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:36,302 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 02:47:36,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:36,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 02:47:36,302 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:36,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:47:36,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:47:36,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:47:36,303 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 7 states. [2018-11-23 02:47:36,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:36,573 INFO L93 Difference]: Finished difference Result 382 states and 467 transitions. [2018-11-23 02:47:36,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:47:36,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 02:47:36,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:36,575 INFO L225 Difference]: With dead ends: 382 [2018-11-23 02:47:36,576 INFO L226 Difference]: Without dead ends: 281 [2018-11-23 02:47:36,576 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 02:47:36,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-11-23 02:47:36,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2018-11-23 02:47:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-23 02:47:36,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 328 transitions. [2018-11-23 02:47:36,604 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 328 transitions. Word has length 57 [2018-11-23 02:47:36,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:36,604 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 328 transitions. [2018-11-23 02:47:36,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:47:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 328 transitions. [2018-11-23 02:47:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 02:47:36,607 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:36,607 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] [2018-11-23 02:47:36,609 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:36,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:36,610 INFO L82 PathProgramCache]: Analyzing trace with hash 844118170, now seen corresponding path program 1 times [2018-11-23 02:47:36,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:36,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:36,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:36,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:36,611 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:36,694 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 02:47:36,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:36,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:47:36,694 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:36,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:47:36,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:47:36,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:47:36,695 INFO L87 Difference]: Start difference. First operand 269 states and 328 transitions. Second operand 6 states. [2018-11-23 02:47:36,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:36,835 INFO L93 Difference]: Finished difference Result 733 states and 918 transitions. [2018-11-23 02:47:36,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:47:36,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 02:47:36,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:36,839 INFO L225 Difference]: With dead ends: 733 [2018-11-23 02:47:36,839 INFO L226 Difference]: Without dead ends: 492 [2018-11-23 02:47:36,840 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 02:47:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2018-11-23 02:47:36,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 486. [2018-11-23 02:47:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-11-23 02:47:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 596 transitions. [2018-11-23 02:47:36,876 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 596 transitions. Word has length 62 [2018-11-23 02:47:36,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:36,876 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 596 transitions. [2018-11-23 02:47:36,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:47:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 596 transitions. [2018-11-23 02:47:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 02:47:36,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:36,880 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] [2018-11-23 02:47:36,880 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:36,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:36,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1970608458, now seen corresponding path program 1 times [2018-11-23 02:47:36,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:36,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:36,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:36,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:36,882 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:36,978 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 02:47:36,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:36,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 02:47:36,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:36,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:47:36,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:47:36,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:47:36,980 INFO L87 Difference]: Start difference. First operand 486 states and 596 transitions. Second operand 7 states. [2018-11-23 02:47:37,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:37,348 INFO L93 Difference]: Finished difference Result 1271 states and 1678 transitions. [2018-11-23 02:47:37,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 02:47:37,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 02:47:37,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:37,353 INFO L225 Difference]: With dead ends: 1271 [2018-11-23 02:47:37,353 INFO L226 Difference]: Without dead ends: 813 [2018-11-23 02:47:37,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 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 02:47:37,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-23 02:47:37,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 715. [2018-11-23 02:47:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2018-11-23 02:47:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 871 transitions. [2018-11-23 02:47:37,400 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 871 transitions. Word has length 66 [2018-11-23 02:47:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:37,400 INFO L480 AbstractCegarLoop]: Abstraction has 715 states and 871 transitions. [2018-11-23 02:47:37,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:47:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 871 transitions. [2018-11-23 02:47:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 02:47:37,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:37,403 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 02:47:37,404 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:37,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:37,404 INFO L82 PathProgramCache]: Analyzing trace with hash 271257836, now seen corresponding path program 1 times [2018-11-23 02:47:37,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:37,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:37,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:37,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:37,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:37,483 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 02:47:37,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:37,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:47:37,483 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:37,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:47:37,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:47:37,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:47:37,485 INFO L87 Difference]: Start difference. First operand 715 states and 871 transitions. Second operand 6 states. [2018-11-23 02:47:37,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:37,560 INFO L93 Difference]: Finished difference Result 1422 states and 1764 transitions. [2018-11-23 02:47:37,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:47:37,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 02:47:37,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:37,564 INFO L225 Difference]: With dead ends: 1422 [2018-11-23 02:47:37,564 INFO L226 Difference]: Without dead ends: 735 [2018-11-23 02:47:37,566 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 02:47:37,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-11-23 02:47:37,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2018-11-23 02:47:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-11-23 02:47:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-11-23 02:47:37,603 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 89 [2018-11-23 02:47:37,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:37,604 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-11-23 02:47:37,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:47:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-11-23 02:47:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 02:47:37,607 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:37,607 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 02:47:37,607 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:37,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:37,607 INFO L82 PathProgramCache]: Analyzing trace with hash 972857710, now seen corresponding path program 1 times [2018-11-23 02:47:37,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:37,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:37,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:37,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:37,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:37,672 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 02:47:37,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:37,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 02:47:37,672 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:37,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:47:37,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:47:37,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:47:37,673 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 8 states. [2018-11-23 02:47:37,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:37,723 INFO L93 Difference]: Finished difference Result 1470 states and 1842 transitions. [2018-11-23 02:47:37,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:47:37,724 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-23 02:47:37,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:37,727 INFO L225 Difference]: With dead ends: 1470 [2018-11-23 02:47:37,728 INFO L226 Difference]: Without dead ends: 763 [2018-11-23 02:47:37,729 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 02:47:37,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2018-11-23 02:47:37,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 751. [2018-11-23 02:47:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-11-23 02:47:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 907 transitions. [2018-11-23 02:47:37,766 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 907 transitions. Word has length 89 [2018-11-23 02:47:37,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:37,767 INFO L480 AbstractCegarLoop]: Abstraction has 751 states and 907 transitions. [2018-11-23 02:47:37,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:47:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 907 transitions. [2018-11-23 02:47:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 02:47:37,768 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:37,768 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 02:47:37,769 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:37,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:37,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1596628689, now seen corresponding path program 1 times [2018-11-23 02:47:37,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:37,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:37,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:37,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:37,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:37,839 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 02:47:37,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:37,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:47:37,840 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:37,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:47:37,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:47:37,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:47:37,840 INFO L87 Difference]: Start difference. First operand 751 states and 907 transitions. Second operand 4 states. [2018-11-23 02:47:38,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:38,118 INFO L93 Difference]: Finished difference Result 2441 states and 3094 transitions. [2018-11-23 02:47:38,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:47:38,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-23 02:47:38,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:38,127 INFO L225 Difference]: With dead ends: 2441 [2018-11-23 02:47:38,127 INFO L226 Difference]: Without dead ends: 1718 [2018-11-23 02:47:38,129 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 02:47:38,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2018-11-23 02:47:38,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1687. [2018-11-23 02:47:38,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2018-11-23 02:47:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2087 transitions. [2018-11-23 02:47:38,228 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2087 transitions. Word has length 89 [2018-11-23 02:47:38,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:38,228 INFO L480 AbstractCegarLoop]: Abstraction has 1687 states and 2087 transitions. [2018-11-23 02:47:38,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:47:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2087 transitions. [2018-11-23 02:47:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 02:47:38,231 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:38,231 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 02:47:38,231 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:38,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:38,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1746816523, now seen corresponding path program 1 times [2018-11-23 02:47:38,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:38,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:38,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:38,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:38,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:38,273 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 02:47:38,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:38,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:47:38,274 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:38,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:47:38,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:47:38,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:47:38,274 INFO L87 Difference]: Start difference. First operand 1687 states and 2087 transitions. Second operand 3 states. [2018-11-23 02:47:38,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:38,358 INFO L93 Difference]: Finished difference Result 2662 states and 3401 transitions. [2018-11-23 02:47:38,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:47:38,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-23 02:47:38,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:38,369 INFO L225 Difference]: With dead ends: 2662 [2018-11-23 02:47:38,370 INFO L226 Difference]: Without dead ends: 2659 [2018-11-23 02:47:38,371 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 02:47:38,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2018-11-23 02:47:38,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2499. [2018-11-23 02:47:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2499 states. [2018-11-23 02:47:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3205 transitions. [2018-11-23 02:47:38,507 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3205 transitions. Word has length 93 [2018-11-23 02:47:38,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:38,507 INFO L480 AbstractCegarLoop]: Abstraction has 2499 states and 3205 transitions. [2018-11-23 02:47:38,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:47:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3205 transitions. [2018-11-23 02:47:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 02:47:38,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:38,515 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 02:47:38,516 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:38,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:38,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1692239768, now seen corresponding path program 1 times [2018-11-23 02:47:38,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:38,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:38,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:38,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:38,517 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:38,651 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 02:47:38,651 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:47:38,651 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:47:38,652 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 02:47:38,653 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [33], [35], [36], [39], [42], [44], [50], [54], [57], [58], [62], [63], [64], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [104], [110], [118], [120], [123], [125], [128], [131], [134], [142], [143], [144], [145], [146], [147], [148], [149], [151], [156], [158], [159], [164], [166], [195], [198], [202], [208], [209], [210], [213], [217], [218], [222], [225], [227], [230], [237], [240], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [260], [261], [265], [266], [267], [269], [270], [271], [272], [275], [276], [277], [278], [279], [280], [281], [282], [287], [288], [291], [292], [293], [294], [295], [297], [298], [303], [304], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315], [316], [319], [320] [2018-11-23 02:47:38,685 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:47:38,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:47:40,077 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:47:40,078 INFO L272 AbstractInterpreter]: Visited 121 different actions 516 times. Merged at 19 different actions 56 times. Never widened. Performed 22031 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22031 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-23 02:47:40,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:40,088 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:47:40,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:47:40,088 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/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 02:47:40,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:40,095 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:47:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:40,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:47:40,397 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 02:47:40,397 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:47:40,944 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 02:47:40,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:47:40,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 02:47:40,970 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:40,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:47:40,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:47:40,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 02:47:40,971 INFO L87 Difference]: Start difference. First operand 2499 states and 3205 transitions. Second operand 8 states. [2018-11-23 02:47:41,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:41,332 INFO L93 Difference]: Finished difference Result 4790 states and 6216 transitions. [2018-11-23 02:47:41,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:47:41,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-23 02:47:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:41,342 INFO L225 Difference]: With dead ends: 4790 [2018-11-23 02:47:41,342 INFO L226 Difference]: Without dead ends: 2319 [2018-11-23 02:47:41,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 02:47:41,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2018-11-23 02:47:41,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2319. [2018-11-23 02:47:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2319 states. [2018-11-23 02:47:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 2905 transitions. [2018-11-23 02:47:41,464 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 2905 transitions. Word has length 152 [2018-11-23 02:47:41,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:41,465 INFO L480 AbstractCegarLoop]: Abstraction has 2319 states and 2905 transitions. [2018-11-23 02:47:41,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:47:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2905 transitions. [2018-11-23 02:47:41,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 02:47:41,473 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:41,473 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 02:47:41,473 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:41,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:41,474 INFO L82 PathProgramCache]: Analyzing trace with hash -2049218571, now seen corresponding path program 1 times [2018-11-23 02:47:41,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:41,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:41,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:41,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:41,475 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:41,548 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 02:47:41,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:47:41,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:47:41,549 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 02:47:41,549 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [39], [54], [57], [58], [62], [63], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [104], [110], [118], [120], [123], [125], [128], [131], [134], [142], [143], [144], [145], [146], [147], [148], [149], [151], [156], [158], [159], [164], [166], [198], [202], [208], [209], [210], [218], [222], [225], [227], [230], [240], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [260], [261], [265], [266], [267], [277], [278], [279], [280], [281], [282], [287], [288], [291], [292], [293], [294], [295], [297], [298], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315], [316] [2018-11-23 02:47:41,552 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:47:41,552 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:47:42,360 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:47:42,360 INFO L272 AbstractInterpreter]: Visited 100 different actions 397 times. Merged at 14 different actions 38 times. Never widened. Performed 17435 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17435 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 02:47:42,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:42,365 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:47:42,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:47:42,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/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 02:47:42,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:42,376 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:47:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:42,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:47:42,494 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 02:47:42,494 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:47:42,628 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 02:47:42,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:47:42,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-23 02:47:42,654 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:42,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:47:42,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:47:42,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:47:42,655 INFO L87 Difference]: Start difference. First operand 2319 states and 2905 transitions. Second operand 3 states. [2018-11-23 02:47:42,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:42,814 INFO L93 Difference]: Finished difference Result 4123 states and 5237 transitions. [2018-11-23 02:47:42,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:47:42,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-23 02:47:42,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:42,824 INFO L225 Difference]: With dead ends: 4123 [2018-11-23 02:47:42,824 INFO L226 Difference]: Without dead ends: 2156 [2018-11-23 02:47:42,829 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 02:47:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2018-11-23 02:47:42,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1490. [2018-11-23 02:47:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1490 states. [2018-11-23 02:47:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 1688 transitions. [2018-11-23 02:47:42,920 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 1688 transitions. Word has length 152 [2018-11-23 02:47:42,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:42,920 INFO L480 AbstractCegarLoop]: Abstraction has 1490 states and 1688 transitions. [2018-11-23 02:47:42,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:47:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1688 transitions. [2018-11-23 02:47:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 02:47:42,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:47:42,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:47:42,925 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:47:42,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:47:42,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1446798788, now seen corresponding path program 1 times [2018-11-23 02:47:42,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:47:42,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:42,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:47:42,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:47:42,927 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:47:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:47:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 02:47:43,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:47:43,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:47:43,018 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:47:43,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:47:43,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:47:43,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:47:43,019 INFO L87 Difference]: Start difference. First operand 1490 states and 1688 transitions. Second operand 3 states. [2018-11-23 02:47:43,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:47:43,089 INFO L93 Difference]: Finished difference Result 2316 states and 2633 transitions. [2018-11-23 02:47:43,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:47:43,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-11-23 02:47:43,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:47:43,091 INFO L225 Difference]: With dead ends: 2316 [2018-11-23 02:47:43,091 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:47:43,095 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 02:47:43,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:47:43,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:47:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:47:43,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:47:43,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-11-23 02:47:43,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:47:43,097 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:47:43,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:47:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:47:43,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:47:43,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:47:43,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:47:43,868 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-11-23 02:47:44,469 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2018-11-23 02:47:44,574 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2018-11-23 02:47:45,063 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2018-11-23 02:47:45,770 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 47 [2018-11-23 02:47:46,463 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2018-11-23 02:47:46,463 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2018-11-23 02:47:46,463 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2018-11-23 02:47:46,463 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2018-11-23 02:47:46,464 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2018-11-23 02:47:46,464 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 910 932) 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 02:47:46,464 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 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 02:47:46,464 INFO L444 ceAbstractionStarter]: At program point L922-1(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 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 02:47:46,464 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2018-11-23 02:47:46,464 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 927) no Hoare annotation was computed. [2018-11-23 02:47:46,464 INFO L448 ceAbstractionStarter]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2018-11-23 02:47:46,464 INFO L448 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2018-11-23 02:47:46,465 INFO L444 ceAbstractionStarter]: At program point L917(line 917) 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 02:47:46,465 INFO L444 ceAbstractionStarter]: At program point L916(line 916) 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 02:47:46,465 INFO L444 ceAbstractionStarter]: At program point L916-1(line 916) 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 02:47:46,465 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2018-11-23 02:47:46,465 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2018-11-23 02:47:46,465 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse3 (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse2) .cse5) (or .cse0 .cse6 .cse3 .cse1) (or .cse6 .cse4 .cse5))) [2018-11-23 02:47:46,465 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2018-11-23 02:47:46,465 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse2 (or .cse9 .cse10 .cse11)) (.cse0 (not (= |old(~systemActive~0)| 0))) (.cse1 (= ~systemActive~0 0)) (.cse8 (or (or .cse10 .cse5) .cse11)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse6 (and (= ~systemActive~0 1) .cse7)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse2) (or .cse8 .cse7) (or .cse0 .cse1 .cse8) (or .cse3 .cse9 .cse6 .cse4)))) [2018-11-23 02:47:46,465 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2018-11-23 02:47:46,465 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2018-11-23 02:47:46,465 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2018-11-23 02:47:46,466 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 896 906) 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 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L444 ceAbstractionStarter]: At program point L901(line 901) 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 02:47:46,466 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2018-11-23 02:47:46,466 INFO L451 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1))) [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2018-11-23 02:47:46,466 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse3 .cse4) .cse2) (or (or .cse5 .cse3 .cse6 .cse4) .cse2) (or .cse2 (or .cse1 .cse5 .cse3 .cse6)))) [2018-11-23 02:47:46,466 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1 .cse4 .cse2) .cse5) (or .cse5 (or .cse6 .cse3 .cse1 .cse4)) (or .cse0 .cse6 .cse1))) [2018-11-23 02:47:46,466 INFO L448 ceAbstractionStarter]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse1))) [2018-11-23 02:47:46,467 INFO L444 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or .cse6 .cse0 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) .cse5) .cse4 .cse6 .cse1))) [2018-11-23 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 335) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 .cse4 .cse3 .cse5))) [2018-11-23 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 340) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2018-11-23 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2018-11-23 02:47:46,467 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 186 253) 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 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L444 ceAbstractionStarter]: At program point L246(lines 195 247) 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 02:47:46,467 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse6 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse6 .cse2))) [2018-11-23 02:47:46,467 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-11-23 02:47:46,467 INFO L444 ceAbstractionStarter]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 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 .cse1 .cse3) (and .cse5 (and .cse6 .cse0 .cse3)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3))) [2018-11-23 02:47:46,468 INFO L448 ceAbstractionStarter]: For program point L197(lines 196 245) no Hoare annotation was computed. [2018-11-23 02:47:46,468 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse4 .cse2) (and .cse1 .cse3 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 02:47:46,468 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 241) no Hoare annotation was computed. [2018-11-23 02:47:46,468 INFO L444 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse0 .cse3 .cse4))) [2018-11-23 02:47:46,468 INFO L448 ceAbstractionStarter]: For program point L216(lines 216 222) no Hoare annotation was computed. [2018-11-23 02:47:46,468 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2018-11-23 02:47:46,468 INFO L444 ceAbstractionStarter]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse4 .cse1 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse4 .cse3 .cse5))) [2018-11-23 02:47:46,468 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 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 (and .cse6 .cse0 .cse3) .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3 .cse4))) [2018-11-23 02:47:46,468 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-23 02:47:46,468 INFO L448 ceAbstractionStarter]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2018-11-23 02:47:46,469 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2018-11-23 02:47:46,469 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2018-11-23 02:47:46,469 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-23 02:47:46,469 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-23 02:47:46,469 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not .cse7)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (< ~pumpRunning~0 1)) (.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse5 .cse1) (or (or .cse2 .cse9) .cse3) (or .cse0 .cse2 .cse1 .cse8 .cse4 .cse5) (or .cse2 .cse8 .cse9) (or .cse6 .cse8 .cse9)))) [2018-11-23 02:47:46,469 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-23 02:47:46,469 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-23 02:47:46,469 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-23 02:47:46,469 INFO L444 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or (< ~pumpRunning~0 1) .cse0 .cse8 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-11-23 02:47:46,469 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-23 02:47:46,470 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse1 .cse6 .cse4 .cse5 .cse7) (or (< ~pumpRunning~0 1) .cse0 .cse8 .cse6 .cse5 .cse1) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7)))) [2018-11-23 02:47:46,470 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-23 02:47:46,470 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or (or .cse0 .cse1) .cse3) (or (or .cse1 .cse4) .cse3) (or .cse1 .cse2 .cse4) (or .cse5 .cse2 .cse4) (or .cse5 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-23 02:47:46,470 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) 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 02:47:46,470 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-23 02:47:46,470 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-23 02:47:46,470 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:47:46,470 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 02:47:46,470 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:47:46,470 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2018-11-23 02:47:46,470 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 429) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse1 (< ~pumpRunning~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse2 (< |old(~methaneLevelCritical~0)| 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 .cse4 (or .cse2 .cse5 .cse6)) (or .cse7 .cse1 .cse3 .cse6 .cse8) (or (or .cse5 .cse6 .cse8) .cse7 .cse4) (or .cse0 (or .cse2 .cse5 .cse3 .cse6)) (or (or .cse5 .cse3 .cse6 .cse8) .cse7))) [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2018-11-23 02:47:46,471 INFO L451 ceAbstractionStarter]: At program point L860(lines 835 864) the Hoare annotation is: true [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 853) no Hoare annotation was computed. [2018-11-23 02:47:46,471 INFO L451 ceAbstractionStarter]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2018-11-23 02:47:46,472 INFO L448 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2018-11-23 02:47:46,472 INFO L451 ceAbstractionStarter]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2018-11-23 02:47:46,472 INFO L451 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-11-23 02:47:46,472 INFO L448 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-11-23 02:47:46,472 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (and .cse7 .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= ~systemActive~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse0 .cse3 .cse5) .cse7) (or .cse8 (or .cse0 .cse1 .cse3 .cse5)) (or .cse9 (or .cse6 .cse3 .cse10)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse11 (or .cse0 .cse1)) (or (or .cse1 .cse3 .cse5 .cse10) .cse8) (or (or .cse1 .cse10) .cse11) (or .cse9 (or .cse6 .cse0 .cse3))))) [2018-11-23 02:47:46,472 INFO L444 ceAbstractionStarter]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse12 (= 0 ~methAndRunningLastTime~0))) (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse11 (and (<= 1 ~pumpRunning~0) (not (= ~waterLevel~0 1)) .cse12)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (= 1 ~waterLevel~0) .cse12)) (.cse5 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or (or .cse4 .cse2 .cse5) .cse6) (or .cse1 .cse6 (or .cse4 .cse5 .cse7)) (or .cse8 .cse3 .cse0 .cse9 .cse10 .cse7) (or .cse2 .cse8 .cse3 .cse0 .cse9 .cse10) (or .cse11 .cse1 (or .cse3 .cse5 .cse10 .cse7)) (or .cse2 .cse3 .cse8 .cse5 .cse9 .cse10) (or (or .cse3 .cse7) .cse0 .cse1) (or .cse11 .cse1 (or .cse2 .cse3 .cse5 .cse10)) (or .cse3 .cse8 .cse5 .cse9 .cse10 .cse7)))) [2018-11-23 02:47:46,472 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse10 (and .cse9 .cse7)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse0 .cse1)) (or (or .cse8 .cse0 .cse3 .cse5) .cse9) (or .cse10 (or .cse0 .cse1 .cse3 .cse5)) (or .cse7 (or .cse8 .cse3 .cse11)) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse11) (or (and .cse2 .cse9) .cse1 .cse6 .cse4 .cse5 .cse11) (or (or .cse1 .cse3 .cse5 .cse11) .cse10) (or .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (or .cse9 .cse6 (or .cse0 .cse1 .cse5)) (or (or .cse1 .cse11) .cse6 .cse7) (or .cse7 (or .cse8 .cse0 .cse3))))) [2018-11-23 02:47:46,472 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse1 .cse2) (= 0 ~methAndRunningLastTime~0)) (or .cse6 (or .cse4 .cse1 .cse3)) (or .cse7 (or .cse5 .cse0)) (or .cse5 .cse0 .cse1 .cse2) (or (or .cse0 .cse3) .cse7) (or .cse6 (or .cse4 .cse5 .cse1)))) [2018-11-23 02:47:46,472 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2018-11-23 02:47:46,472 INFO L448 ceAbstractionStarter]: For program point L265(lines 264 283) no Hoare annotation was computed. [2018-11-23 02:47:46,472 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2018-11-23 02:47:46,472 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2018-11-23 02:47:46,472 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-23 02:47:46,472 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-23 02:47:46,472 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: true [2018-11-23 02:47:46,472 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2018-11-23 02:47:46,473 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2018-11-23 02:47:46,473 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2018-11-23 02:47:46,473 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2018-11-23 02:47:46,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:47:46,473 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 02:47:46,473 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:47:46,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:47:46,473 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) .cse2) (or (or .cse3 .cse0 .cse4 .cse1) .cse2) (or .cse2 (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-11-23 02:47:46,473 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2018-11-23 02:47:46,473 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-11-23 02:47:46,473 INFO L448 ceAbstractionStarter]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2018-11-23 02:47:46,473 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) (or .cse0 (or (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3)))) [2018-11-23 02:47:46,473 INFO L444 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse5) (or .cse6 (or .cse0 .cse1 .cse2 .cse4)) (or (or .cse1 .cse2 .cse4 .cse5) (and .cse3 .cse6)))) [2018-11-23 02:47:46,473 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 309) no Hoare annotation was computed. [2018-11-23 02:47:46,473 INFO L444 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (or .cse2 .cse0 .cse3 .cse1) .cse4) (or .cse4 (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse3)))) [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 314) no Hoare annotation was computed. [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2018-11-23 02:47:46,474 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= |old(~systemActive~0)| 0)))) (and (or .cse0 .cse1 (or (< ~methaneLevelCritical~0 1) .cse2 .cse3)) (or (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse0 .cse1))) [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2018-11-23 02:47:46,474 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse7 (< ~methaneLevelCritical~0 1)) (.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 .cse5) (or .cse1 .cse0 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse1 .cse0 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2018-11-23 02:47:46,474 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2018-11-23 02:47:46,474 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2018-11-23 02:47:46,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:47:46 BoogieIcfgContainer [2018-11-23 02:47:46,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:47:46,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:47:46,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:47:46,485 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:47:46,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:35" (3/4) ... [2018-11-23 02:47:46,488 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:47:46,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 02:47:46,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 02:47:46,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:47:46,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:47:46,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 02:47:46,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 02:47:46,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 02:47:46,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 02:47:46,502 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 02:47:46,502 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 02:47:46,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 02:47:46,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 02:47:46,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:47:46,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:47:46,504 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:47:46,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-23 02:47:46,521 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 02:47:46,556 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e2dc5bba-48f0-428f-bcda-eca361fa960a/bin-2019/utaipan/witness.graphml [2018-11-23 02:47:46,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:47:46,557 INFO L168 Benchmark]: Toolchain (without parser) took 11672.95 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 649.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 464.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:47:46,557 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:47:46,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:47:46,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.90 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 02:47:46,558 INFO L168 Benchmark]: Boogie Preprocessor took 23.57 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:47:46,558 INFO L168 Benchmark]: RCFGBuilder took 433.59 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:47:46,558 INFO L168 Benchmark]: TraceAbstraction took 10757.68 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 515.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.8 MB). Peak memory consumption was 603.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:47:46,558 INFO L168 Benchmark]: Witness Printer took 70.79 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:47:46,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.90 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 23.57 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 433.59 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10757.68 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 515.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.8 MB). Peak memory consumption was 603.7 MB. Max. memory is 11.5 GB. * Witness Printer took 70.79 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 10.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2186 SDtfs, 1002 SDslu, 4434 SDs, 0 SdLazy, 1174 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 712 GetRequests, 633 SyntacticMatches, 8 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2499occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 985 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4125 PreInvPairs, 4230 NumberOfFragments, 3462 HoareAnnotationTreeSize, 4125 FomulaSimplifications, 7128 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 11103 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1417 NumberOfCodeBlocks, 1417 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1705 ConstructedInterpolants, 0 QuantifiedInterpolants, 323842 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1806 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 330/346 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...