./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/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 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:16:39,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:16:39,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:16:39,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:16:39,012 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:16:39,012 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:16:39,013 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:16:39,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:16:39,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:16:39,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:16:39,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:16:39,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:16:39,018 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:16:39,018 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:16:39,019 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:16:39,020 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:16:39,020 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:16:39,021 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:16:39,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:16:39,024 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:16:39,024 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:16:39,025 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:16:39,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:16:39,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:16:39,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:16:39,027 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:16:39,028 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:16:39,028 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:16:39,029 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:16:39,030 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:16:39,030 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:16:39,030 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:16:39,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:16:39,031 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:16:39,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:16:39,032 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:16:39,032 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:16:39,041 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:16:39,041 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:16:39,042 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:16:39,042 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:16:39,042 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:16:39,042 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:16:39,043 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:16:39,043 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:16:39,043 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:16:39,043 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:16:39,043 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:16:39,043 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:16:39,043 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:16:39,044 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:16:39,044 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:16:39,044 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:16:39,044 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:16:39,044 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:16:39,045 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:16:39,045 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:16:39,045 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:16:39,045 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:16:39,045 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:16:39,045 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:16:39,045 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:16:39,046 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:16:39,046 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:16:39,046 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:16:39,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:16:39,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:16:39,046 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:16:39,046 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:16:39,046 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:16:39,047 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:16:39,047 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:16:39,047 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:16:39,047 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_dedaefc3-5632-4f50-aedc-830f6aa20ad3/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 -> 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 [2018-12-09 11:16:39,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:16:39,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:16:39,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:16:39,081 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:16:39,082 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:16:39,082 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-09 11:16:39,115 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/data/c9c93d9ec/0cba692ae36f4a799b762ac90d134012/FLAG5f3858287 [2018-12-09 11:16:39,483 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:16:39,484 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-09 11:16:39,491 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/data/c9c93d9ec/0cba692ae36f4a799b762ac90d134012/FLAG5f3858287 [2018-12-09 11:16:39,845 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/data/c9c93d9ec/0cba692ae36f4a799b762ac90d134012 [2018-12-09 11:16:39,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:16:39,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:16:39,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:16:39,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:16:39,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:16:39,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:16:39" (1/1) ... [2018-12-09 11:16:39,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:39, skipping insertion in model container [2018-12-09 11:16:39,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:16:39" (1/1) ... [2018-12-09 11:16:39,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:16:39,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:16:40,040 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:16:40,089 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:16:40,137 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:16:40,153 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:16:40,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40 WrapperNode [2018-12-09 11:16:40,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:16:40,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:16:40,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:16:40,154 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:16:40,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:16:40,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:16:40,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:16:40,175 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:16:40,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... [2018-12-09 11:16:40,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:16:40,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:16:40,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:16:40,197 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:16:40,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:16:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 11:16:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 11:16:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:16:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:16:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 11:16:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 11:16:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 11:16:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 11:16:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:16:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 11:16:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 11:16:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 11:16:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 11:16:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 11:16:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 11:16:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 11:16:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 11:16:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 11:16:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 11:16:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 11:16:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 11:16:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 11:16:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 11:16:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:16:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:16:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:16:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:16:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 11:16:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 11:16:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 11:16:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 11:16:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 11:16:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 11:16:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 11:16:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 11:16:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 11:16:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 11:16:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 11:16:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 11:16:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:16:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:16:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 11:16:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 11:16:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 11:16:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 11:16:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 11:16:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 11:16:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:16:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:16:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 11:16:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 11:16:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 11:16:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 11:16:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 11:16:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 11:16:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 11:16:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 11:16:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:16:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:16:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:16:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 11:16:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 11:16:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 11:16:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 11:16:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:16:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:16:40,533 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:16:40,533 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 11:16:40,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:16:40 BoogieIcfgContainer [2018-12-09 11:16:40,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:16:40,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:16:40,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:16:40,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:16:40,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:16:39" (1/3) ... [2018-12-09 11:16:40,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1553a10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:16:40, skipping insertion in model container [2018-12-09 11:16:40,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:16:40" (2/3) ... [2018-12-09 11:16:40,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1553a10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:16:40, skipping insertion in model container [2018-12-09 11:16:40,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:16:40" (3/3) ... [2018-12-09 11:16:40,538 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-09 11:16:40,543 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:16:40,548 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:16:40,557 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:16:40,576 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:16:40,576 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:16:40,576 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:16:40,576 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:16:40,576 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:16:40,576 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:16:40,576 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:16:40,576 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:16:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2018-12-09 11:16:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:16:40,592 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:40,593 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] [2018-12-09 11:16:40,594 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:40,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:40,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1339530432, now seen corresponding path program 1 times [2018-12-09 11:16:40,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:40,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:40,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:40,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:40,627 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:16:40,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:40,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:16:40,759 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:40,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:16:40,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:16:40,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:16:40,771 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2018-12-09 11:16:40,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:40,796 INFO L93 Difference]: Finished difference Result 318 states and 399 transitions. [2018-12-09 11:16:40,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:16:40,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 11:16:40,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:40,804 INFO L225 Difference]: With dead ends: 318 [2018-12-09 11:16:40,804 INFO L226 Difference]: Without dead ends: 161 [2018-12-09 11:16:40,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:16:40,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-12-09 11:16:40,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-12-09 11:16:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-12-09 11:16:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 193 transitions. [2018-12-09 11:16:40,838 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 193 transitions. Word has length 51 [2018-12-09 11:16:40,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:40,838 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 193 transitions. [2018-12-09 11:16:40,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:16:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 193 transitions. [2018-12-09 11:16:40,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:16:40,840 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:40,840 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:16:40,840 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:40,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:40,841 INFO L82 PathProgramCache]: Analyzing trace with hash -742963198, now seen corresponding path program 1 times [2018-12-09 11:16:40,841 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:40,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:40,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:40,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:40,842 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:16:40,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:40,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:16:40,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:40,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:16:40,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:16:40,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:16:40,900 INFO L87 Difference]: Start difference. First operand 161 states and 193 transitions. Second operand 3 states. [2018-12-09 11:16:40,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:40,919 INFO L93 Difference]: Finished difference Result 261 states and 313 transitions. [2018-12-09 11:16:40,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:16:40,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 11:16:40,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:40,922 INFO L225 Difference]: With dead ends: 261 [2018-12-09 11:16:40,922 INFO L226 Difference]: Without dead ends: 152 [2018-12-09 11:16:40,923 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:16:40,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-09 11:16:40,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-09 11:16:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-09 11:16:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2018-12-09 11:16:40,935 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 52 [2018-12-09 11:16:40,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:40,935 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2018-12-09 11:16:40,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:16:40,935 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2018-12-09 11:16:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:16:40,937 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:40,937 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] [2018-12-09 11:16:40,937 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:40,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:40,937 INFO L82 PathProgramCache]: Analyzing trace with hash 366540083, now seen corresponding path program 1 times [2018-12-09 11:16:40,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:40,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:40,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:40,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:40,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:16:41,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:41,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:16:41,046 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:41,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:16:41,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:16:41,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:16:41,047 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 7 states. [2018-12-09 11:16:41,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:41,315 INFO L93 Difference]: Finished difference Result 451 states and 555 transitions. [2018-12-09 11:16:41,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:16:41,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 11:16:41,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:41,319 INFO L225 Difference]: With dead ends: 451 [2018-12-09 11:16:41,319 INFO L226 Difference]: Without dead ends: 327 [2018-12-09 11:16:41,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:16:41,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-12-09 11:16:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2018-12-09 11:16:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-09 11:16:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 392 transitions. [2018-12-09 11:16:41,350 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 392 transitions. Word has length 56 [2018-12-09 11:16:41,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:41,350 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 392 transitions. [2018-12-09 11:16:41,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:16:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 392 transitions. [2018-12-09 11:16:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:16:41,353 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:41,353 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] [2018-12-09 11:16:41,353 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:41,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:41,353 INFO L82 PathProgramCache]: Analyzing trace with hash -261648771, now seen corresponding path program 1 times [2018-12-09 11:16:41,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:41,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:41,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:41,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:41,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:16:41,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:41,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:16:41,434 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:41,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:16:41,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:16:41,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:16:41,435 INFO L87 Difference]: Start difference. First operand 319 states and 392 transitions. Second operand 6 states. [2018-12-09 11:16:41,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:41,582 INFO L93 Difference]: Finished difference Result 883 states and 1110 transitions. [2018-12-09 11:16:41,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:16:41,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 11:16:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:41,585 INFO L225 Difference]: With dead ends: 883 [2018-12-09 11:16:41,585 INFO L226 Difference]: Without dead ends: 592 [2018-12-09 11:16:41,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:16:41,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-12-09 11:16:41,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2018-12-09 11:16:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-12-09 11:16:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 724 transitions. [2018-12-09 11:16:41,622 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 724 transitions. Word has length 62 [2018-12-09 11:16:41,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:41,622 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 724 transitions. [2018-12-09 11:16:41,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:16:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 724 transitions. [2018-12-09 11:16:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 11:16:41,624 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:41,624 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] [2018-12-09 11:16:41,624 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:41,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:41,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1938174951, now seen corresponding path program 1 times [2018-12-09 11:16:41,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:41,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:41,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:41,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:41,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:16:41,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:41,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:16:41,691 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:41,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:16:41,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:16:41,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:16:41,691 INFO L87 Difference]: Start difference. First operand 586 states and 724 transitions. Second operand 7 states. [2018-12-09 11:16:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:42,091 INFO L93 Difference]: Finished difference Result 1521 states and 1998 transitions. [2018-12-09 11:16:42,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 11:16:42,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 11:16:42,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:42,096 INFO L225 Difference]: With dead ends: 1521 [2018-12-09 11:16:42,097 INFO L226 Difference]: Without dead ends: 963 [2018-12-09 11:16:42,098 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 [2018-12-09 11:16:42,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-12-09 11:16:42,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 867. [2018-12-09 11:16:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2018-12-09 11:16:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1055 transitions. [2018-12-09 11:16:42,152 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1055 transitions. Word has length 66 [2018-12-09 11:16:42,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:42,153 INFO L480 AbstractCegarLoop]: Abstraction has 867 states and 1055 transitions. [2018-12-09 11:16:42,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:16:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1055 transitions. [2018-12-09 11:16:42,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 11:16:42,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:42,156 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:16:42,156 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:42,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:42,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1191924210, now seen corresponding path program 1 times [2018-12-09 11:16:42,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:42,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:42,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:42,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:42,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:16:42,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:42,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:16:42,227 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:42,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:16:42,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:16:42,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:16:42,228 INFO L87 Difference]: Start difference. First operand 867 states and 1055 transitions. Second operand 6 states. [2018-12-09 11:16:42,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:42,266 INFO L93 Difference]: Finished difference Result 1734 states and 2186 transitions. [2018-12-09 11:16:42,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:16:42,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-12-09 11:16:42,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:42,269 INFO L225 Difference]: With dead ends: 1734 [2018-12-09 11:16:42,269 INFO L226 Difference]: Without dead ends: 895 [2018-12-09 11:16:42,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:16:42,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-12-09 11:16:42,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 887. [2018-12-09 11:16:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-12-09 11:16:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1075 transitions. [2018-12-09 11:16:42,297 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1075 transitions. Word has length 108 [2018-12-09 11:16:42,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:42,297 INFO L480 AbstractCegarLoop]: Abstraction has 887 states and 1075 transitions. [2018-12-09 11:16:42,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:16:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1075 transitions. [2018-12-09 11:16:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 11:16:42,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:42,299 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:16:42,299 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:42,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:42,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1163881040, now seen corresponding path program 1 times [2018-12-09 11:16:42,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:42,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:42,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:42,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:42,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:16:42,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:42,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 11:16:42,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:42,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:16:42,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:16:42,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:16:42,364 INFO L87 Difference]: Start difference. First operand 887 states and 1075 transitions. Second operand 8 states. [2018-12-09 11:16:42,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:42,408 INFO L93 Difference]: Finished difference Result 1774 states and 2226 transitions. [2018-12-09 11:16:42,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:16:42,408 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-12-09 11:16:42,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:42,411 INFO L225 Difference]: With dead ends: 1774 [2018-12-09 11:16:42,411 INFO L226 Difference]: Without dead ends: 915 [2018-12-09 11:16:42,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:16:42,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2018-12-09 11:16:42,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 903. [2018-12-09 11:16:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2018-12-09 11:16:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1091 transitions. [2018-12-09 11:16:42,449 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1091 transitions. Word has length 108 [2018-12-09 11:16:42,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:42,450 INFO L480 AbstractCegarLoop]: Abstraction has 903 states and 1091 transitions. [2018-12-09 11:16:42,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:16:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1091 transitions. [2018-12-09 11:16:42,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 11:16:42,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:42,451 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:16:42,451 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:42,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:42,452 INFO L82 PathProgramCache]: Analyzing trace with hash -394711025, now seen corresponding path program 1 times [2018-12-09 11:16:42,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:42,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:42,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:42,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:42,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:42,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:16:42,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:42,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:16:42,496 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:42,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:16:42,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:16:42,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:16:42,496 INFO L87 Difference]: Start difference. First operand 903 states and 1091 transitions. Second operand 4 states. [2018-12-09 11:16:42,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:42,673 INFO L93 Difference]: Finished difference Result 2845 states and 3606 transitions. [2018-12-09 11:16:42,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:16:42,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-09 11:16:42,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:42,679 INFO L225 Difference]: With dead ends: 2845 [2018-12-09 11:16:42,679 INFO L226 Difference]: Without dead ends: 1970 [2018-12-09 11:16:42,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:16:42,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2018-12-09 11:16:42,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1939. [2018-12-09 11:16:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2018-12-09 11:16:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2407 transitions. [2018-12-09 11:16:42,742 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2407 transitions. Word has length 108 [2018-12-09 11:16:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:42,743 INFO L480 AbstractCegarLoop]: Abstraction has 1939 states and 2407 transitions. [2018-12-09 11:16:42,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:16:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2407 transitions. [2018-12-09 11:16:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 11:16:42,745 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:42,745 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:16:42,745 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:42,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:42,745 INFO L82 PathProgramCache]: Analyzing trace with hash -59689655, now seen corresponding path program 1 times [2018-12-09 11:16:42,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:42,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:42,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:42,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:42,746 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:16:42,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:16:42,835 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:16:42,836 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-12-09 11:16:42,837 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [63], [65], [66], [69], [84], [87], [88], [92], [93], [95], [104], [108], [112], [115], [120], [123], [128], [131], [147], [148], [151], [153], [156], [158], [161], [164], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [216], [220], [260], [264], [267], [269], [272], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [309], [310], [315], [316], [317], [319], [320], [327], [328], [329], [330], [331], [332], [335], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [353], [354], [355], [361], [362], [363], [365], [366], [367], [368] [2018-12-09 11:16:42,861 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:16:42,861 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:16:43,130 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:16:43,131 INFO L272 AbstractInterpreter]: Visited 83 different actions 83 times. Never merged. Never widened. Performed 2887 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2887 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-12-09 11:16:43,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:43,141 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:16:43,336 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 96.6% of their original sizes. [2018-12-09 11:16:43,336 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:16:43,512 INFO L418 sIntCurrentIteration]: We unified 111 AI predicates to 111 [2018-12-09 11:16:43,512 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:16:43,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:16:43,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [13] total 36 [2018-12-09 11:16:43,513 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:43,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-09 11:16:43,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-09 11:16:43,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2018-12-09 11:16:43,513 INFO L87 Difference]: Start difference. First operand 1939 states and 2407 transitions. Second operand 25 states. [2018-12-09 11:16:48,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:48,455 INFO L93 Difference]: Finished difference Result 4766 states and 5949 transitions. [2018-12-09 11:16:48,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-09 11:16:48,455 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 112 [2018-12-09 11:16:48,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:48,462 INFO L225 Difference]: With dead ends: 4766 [2018-12-09 11:16:48,462 INFO L226 Difference]: Without dead ends: 2855 [2018-12-09 11:16:48,466 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=287, Invalid=2575, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 11:16:48,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2018-12-09 11:16:48,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2840. [2018-12-09 11:16:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2840 states. [2018-12-09 11:16:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3430 transitions. [2018-12-09 11:16:48,561 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3430 transitions. Word has length 112 [2018-12-09 11:16:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:48,561 INFO L480 AbstractCegarLoop]: Abstraction has 2840 states and 3430 transitions. [2018-12-09 11:16:48,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-09 11:16:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3430 transitions. [2018-12-09 11:16:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 11:16:48,565 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:48,565 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2018-12-09 11:16:48,565 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:48,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:48,566 INFO L82 PathProgramCache]: Analyzing trace with hash 215966135, now seen corresponding path program 1 times [2018-12-09 11:16:48,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:48,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:48,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:48,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:48,566 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-09 11:16:48,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:16:48,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:16:48,605 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:48,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:16:48,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:16:48,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:16:48,606 INFO L87 Difference]: Start difference. First operand 2840 states and 3430 transitions. Second operand 4 states. [2018-12-09 11:16:48,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:16:48,770 INFO L93 Difference]: Finished difference Result 3275 states and 3959 transitions. [2018-12-09 11:16:48,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:16:48,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 189 [2018-12-09 11:16:48,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:16:48,775 INFO L225 Difference]: With dead ends: 3275 [2018-12-09 11:16:48,775 INFO L226 Difference]: Without dead ends: 1296 [2018-12-09 11:16:48,779 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:16:48,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2018-12-09 11:16:48,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1296. [2018-12-09 11:16:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2018-12-09 11:16:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1525 transitions. [2018-12-09 11:16:48,833 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1525 transitions. Word has length 189 [2018-12-09 11:16:48,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:16:48,833 INFO L480 AbstractCegarLoop]: Abstraction has 1296 states and 1525 transitions. [2018-12-09 11:16:48,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:16:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1525 transitions. [2018-12-09 11:16:48,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 11:16:48,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:16:48,836 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 11:16:48,836 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:16:48,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:48,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1967039049, now seen corresponding path program 1 times [2018-12-09 11:16:48,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:16:48,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:48,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:16:48,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:16:48,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:16:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:16:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 11:16:48,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:16:48,895 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:16:48,895 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-12-09 11:16:48,895 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [63], [65], [66], [69], [84], [87], [88], [92], [93], [95], [104], [108], [112], [115], [120], [123], [126], [128], [131], [147], [148], [151], [153], [156], [158], [161], [164], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [257], [259], [260], [264], [267], [269], [272], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [309], [310], [315], [316], [317], [319], [320], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368] [2018-12-09 11:16:48,899 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:16:48,899 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:16:50,039 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:16:50,039 INFO L272 AbstractInterpreter]: Visited 119 different actions 658 times. Merged at 17 different actions 53 times. Never widened. Performed 34001 root evaluator evaluations with a maximum evaluation depth of 3. Performed 34001 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-09 11:16:50,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:16:50,052 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:16:50,342 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 97.9% of their original sizes. [2018-12-09 11:16:50,342 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:16:50,592 INFO L418 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-12-09 11:16:50,592 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:16:50,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:16:50,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [38] imperfect sequences [5] total 41 [2018-12-09 11:16:50,592 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:16:50,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-12-09 11:16:50,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-12-09 11:16:50,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1257, Unknown=0, NotChecked=0, Total=1406 [2018-12-09 11:16:50,593 INFO L87 Difference]: Start difference. First operand 1296 states and 1525 transitions. Second operand 38 states. [2018-12-09 11:17:08,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:17:08,870 INFO L93 Difference]: Finished difference Result 4993 states and 6624 transitions. [2018-12-09 11:17:08,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-12-09 11:17:08,870 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 191 [2018-12-09 11:17:08,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:17:08,883 INFO L225 Difference]: With dead ends: 4993 [2018-12-09 11:17:08,883 INFO L226 Difference]: Without dead ends: 4010 [2018-12-09 11:17:08,888 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 259 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3512 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1142, Invalid=10200, Unknown=0, NotChecked=0, Total=11342 [2018-12-09 11:17:08,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4010 states. [2018-12-09 11:17:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4010 to 3765. [2018-12-09 11:17:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3765 states. [2018-12-09 11:17:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 4590 transitions. [2018-12-09 11:17:09,007 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 4590 transitions. Word has length 191 [2018-12-09 11:17:09,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:17:09,008 INFO L480 AbstractCegarLoop]: Abstraction has 3765 states and 4590 transitions. [2018-12-09 11:17:09,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-12-09 11:17:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 4590 transitions. [2018-12-09 11:17:09,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 11:17:09,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:17:09,014 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-12-09 11:17:09,014 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:17:09,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:09,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1467952148, now seen corresponding path program 1 times [2018-12-09 11:17:09,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:17:09,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:17:09,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:17:09,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:17:09,015 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:17:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 11:17:09,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:17:09,112 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:17:09,112 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-12-09 11:17:09,113 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [153], [156], [158], [161], [164], [167], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [257], [259], [260], [264], [267], [269], [272], [279], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [303], [304], [307], [308], [309], [310], [313], [314], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [371], [372] [2018-12-09 11:17:09,115 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:17:09,115 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:17:10,595 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:17:10,596 INFO L272 AbstractInterpreter]: Visited 150 different actions 1559 times. Merged at 22 different actions 134 times. Widened at 1 different actions 1 times. Performed 47664 root evaluator evaluations with a maximum evaluation depth of 5. Performed 47664 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 35 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-09 11:17:10,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:10,598 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:17:10,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:17:10,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:17:10,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:17:10,605 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:17:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:10,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:17:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:10,794 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:17:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 11:17:11,129 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:17:11,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 11 [2018-12-09 11:17:11,129 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:17:11,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 11:17:11,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 11:17:11,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 11:17:11,130 INFO L87 Difference]: Start difference. First operand 3765 states and 4590 transitions. Second operand 9 states. [2018-12-09 11:17:11,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:17:11,698 INFO L93 Difference]: Finished difference Result 6797 states and 8641 transitions. [2018-12-09 11:17:11,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 11:17:11,699 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 257 [2018-12-09 11:17:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:17:11,706 INFO L225 Difference]: With dead ends: 6797 [2018-12-09 11:17:11,707 INFO L226 Difference]: Without dead ends: 3536 [2018-12-09 11:17:11,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 511 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-12-09 11:17:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3536 states. [2018-12-09 11:17:11,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3536 to 3386. [2018-12-09 11:17:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2018-12-09 11:17:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4069 transitions. [2018-12-09 11:17:11,812 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4069 transitions. Word has length 257 [2018-12-09 11:17:11,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:17:11,813 INFO L480 AbstractCegarLoop]: Abstraction has 3386 states and 4069 transitions. [2018-12-09 11:17:11,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 11:17:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4069 transitions. [2018-12-09 11:17:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 11:17:11,818 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:17:11,818 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-12-09 11:17:11,818 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:17:11,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:11,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1039145326, now seen corresponding path program 1 times [2018-12-09 11:17:11,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:17:11,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:17:11,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:17:11,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:17:11,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:17:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 11:17:11,971 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:17:11,971 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:17:11,971 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-12-09 11:17:11,971 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [153], [156], [158], [161], [164], [167], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [255], [257], [259], [260], [264], [267], [269], [272], [279], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [303], [304], [307], [308], [309], [310], [313], [314], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [371], [372] [2018-12-09 11:17:11,973 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:17:11,973 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:17:13,575 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:17:13,575 INFO L272 AbstractInterpreter]: Visited 151 different actions 1568 times. Merged at 24 different actions 135 times. Never widened. Performed 51782 root evaluator evaluations with a maximum evaluation depth of 5. Performed 51782 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 39 fixpoints after 8 different actions. Largest state had 134 variables. [2018-12-09 11:17:13,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:13,577 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:17:13,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:17:13,577 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/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 [2018-12-09 11:17:13,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:17:13,583 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:17:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:13,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:17:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 11:17:13,763 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:17:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 11:17:14,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 11:17:14,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 11:17:14,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:17:14,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:17:14,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:17:14,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 11:17:14,152 INFO L87 Difference]: Start difference. First operand 3386 states and 4069 transitions. Second operand 8 states. [2018-12-09 11:17:14,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:17:14,331 INFO L93 Difference]: Finished difference Result 4920 states and 5915 transitions. [2018-12-09 11:17:14,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:17:14,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2018-12-09 11:17:14,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:17:14,335 INFO L225 Difference]: With dead ends: 4920 [2018-12-09 11:17:14,335 INFO L226 Difference]: Without dead ends: 2307 [2018-12-09 11:17:14,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 498 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 11:17:14,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2018-12-09 11:17:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2234. [2018-12-09 11:17:14,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2018-12-09 11:17:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 2547 transitions. [2018-12-09 11:17:14,402 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 2547 transitions. Word has length 257 [2018-12-09 11:17:14,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:17:14,402 INFO L480 AbstractCegarLoop]: Abstraction has 2234 states and 2547 transitions. [2018-12-09 11:17:14,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:17:14,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2547 transitions. [2018-12-09 11:17:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-09 11:17:14,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:17:14,407 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-12-09 11:17:14,407 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:17:14,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:14,407 INFO L82 PathProgramCache]: Analyzing trace with hash 366198430, now seen corresponding path program 1 times [2018-12-09 11:17:14,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:17:14,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:17:14,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:17:14,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:17:14,408 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:17:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-09 11:17:14,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:17:14,510 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:17:14,510 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 313 with the following transitions: [2018-12-09 11:17:14,511 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [63], [65], [66], [69], [84], [87], [88], [91], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [151], [153], [156], [158], [161], [164], [167], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [196], [198], [200], [201], [204], [206], [208], [209], [210], [213], [216], [220], [226], [255], [259], [260], [264], [267], [269], [272], [275], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [309], [310], [315], [316], [317], [319], [320], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [369], [370] [2018-12-09 11:17:14,512 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:17:14,512 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:17:17,239 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:17:17,239 INFO L272 AbstractInterpreter]: Visited 130 different actions 2393 times. Merged at 41 different actions 531 times. Widened at 1 different actions 3 times. Performed 85596 root evaluator evaluations with a maximum evaluation depth of 3. Performed 85596 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 110 fixpoints after 12 different actions. Largest state had 134 variables. [2018-12-09 11:17:17,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:17,240 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:17:17,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:17:17,241 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:17:17,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:17:17,294 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:17:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:17,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:17:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-09 11:17:17,440 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:17:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-09 11:17:17,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 11:17:17,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 7] total 19 [2018-12-09 11:17:17,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:17:17,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:17:17,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:17:17,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-09 11:17:17,746 INFO L87 Difference]: Start difference. First operand 2234 states and 2547 transitions. Second operand 6 states. [2018-12-09 11:17:17,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:17:17,898 INFO L93 Difference]: Finished difference Result 4360 states and 5034 transitions. [2018-12-09 11:17:17,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:17:17,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 312 [2018-12-09 11:17:17,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:17:17,903 INFO L225 Difference]: With dead ends: 4360 [2018-12-09 11:17:17,903 INFO L226 Difference]: Without dead ends: 2218 [2018-12-09 11:17:17,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 613 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-09 11:17:17,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2018-12-09 11:17:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2210. [2018-12-09 11:17:17,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2210 states. [2018-12-09 11:17:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2499 transitions. [2018-12-09 11:17:17,963 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2499 transitions. Word has length 312 [2018-12-09 11:17:17,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:17:17,963 INFO L480 AbstractCegarLoop]: Abstraction has 2210 states and 2499 transitions. [2018-12-09 11:17:17,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:17:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2499 transitions. [2018-12-09 11:17:17,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-09 11:17:17,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:17:17,968 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:17:17,968 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:17:17,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:17,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1785671268, now seen corresponding path program 1 times [2018-12-09 11:17:17,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:17:17,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:17:17,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:17:17,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:17:17,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:17:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 78 proven. 23 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-09 11:17:18,074 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:17:18,074 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:17:18,075 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 317 with the following transitions: [2018-12-09 11:17:18,075 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [63], [65], [66], [67], [68], [69], [72], [74], [77], [84], [87], [88], [92], [93], [95], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [151], [153], [156], [158], [161], [164], [167], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [255], [259], [260], [264], [267], [269], [272], [282], [285], [287], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [309], [310], [315], [316], [317], [319], [320], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368] [2018-12-09 11:17:18,076 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:17:18,076 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:17:19,788 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:17:19,788 INFO L272 AbstractInterpreter]: Visited 133 different actions 1522 times. Merged at 22 different actions 152 times. Never widened. Performed 55447 root evaluator evaluations with a maximum evaluation depth of 3. Performed 55447 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 40 fixpoints after 8 different actions. Largest state had 134 variables. [2018-12-09 11:17:19,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:19,791 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:17:19,791 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:17:19,791 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:17:19,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:17:19,796 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:17:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:19,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:17:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 241 proven. 4 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 11:17:19,965 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:17:20,337 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 72 proven. 19 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-12-09 11:17:20,352 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:17:20,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 20 [2018-12-09 11:17:20,353 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:17:20,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 11:17:20,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 11:17:20,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-12-09 11:17:20,354 INFO L87 Difference]: Start difference. First operand 2210 states and 2499 transitions. Second operand 15 states. [2018-12-09 11:17:21,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:17:21,997 INFO L93 Difference]: Finished difference Result 4405 states and 5578 transitions. [2018-12-09 11:17:21,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-09 11:17:21,998 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 316 [2018-12-09 11:17:21,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:17:21,998 INFO L225 Difference]: With dead ends: 4405 [2018-12-09 11:17:21,999 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:17:22,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 628 SyntacticMatches, 8 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=536, Invalid=2116, Unknown=0, NotChecked=0, Total=2652 [2018-12-09 11:17:22,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:17:22,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:17:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:17:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:17:22,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2018-12-09 11:17:22,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:17:22,005 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:17:22,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 11:17:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:17:22,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:17:22,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:17:22,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:22,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:17:23,692 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 29 [2018-12-09 11:17:23,971 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2018-12-09 11:17:24,638 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-09 11:17:25,205 WARN L180 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 56 [2018-12-09 11:17:25,358 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 31 [2018-12-09 11:17:25,541 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 46 [2018-12-09 11:17:25,807 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 40 [2018-12-09 11:17:25,940 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2018-12-09 11:17:26,276 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 50 [2018-12-09 11:17:26,423 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2018-12-09 11:17:26,659 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2018-12-09 11:17:26,873 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2018-12-09 11:17:27,860 WARN L180 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 84 [2018-12-09 11:17:28,034 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 36 [2018-12-09 11:17:28,191 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 31 [2018-12-09 11:17:28,368 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2018-12-09 11:17:28,528 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 31 [2018-12-09 11:17:28,757 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2018-12-09 11:17:29,036 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2018-12-09 11:17:29,262 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2018-12-09 11:17:29,509 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2018-12-09 11:17:29,800 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 45 [2018-12-09 11:17:30,314 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-09 11:17:30,934 WARN L180 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 64 [2018-12-09 11:17:30,937 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 647 653) the Hoare annotation is: true [2018-12-09 11:17:30,937 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 647 653) no Hoare annotation was computed. [2018-12-09 11:17:30,937 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 654 662) no Hoare annotation was computed. [2018-12-09 11:17:30,937 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 654 662) the Hoare annotation is: true [2018-12-09 11:17:30,937 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 654 662) no Hoare annotation was computed. [2018-12-09 11:17:30,937 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,937 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,937 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,937 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,938 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-09 11:17:30,938 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-09 11:17:30,938 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,938 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,938 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-09 11:17:30,938 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-09 11:17:30,938 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 11:17:30,938 INFO L444 ceAbstractionStarter]: At program point L449(line 449) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse1 .cse4 .cse2 .cse5) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-09 11:17:30,939 INFO L444 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse1 .cse4 .cse2 .cse5) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-09 11:17:30,939 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2018-12-09 11:17:30,939 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse1 .cse4 .cse2 .cse5) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-09 11:17:30,939 INFO L448 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2018-12-09 11:17:30,939 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 456) no Hoare annotation was computed. [2018-12-09 11:17:30,939 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 435 459) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3 .cse4 .cse7) (or .cse2 .cse3 .cse6 .cse4 .cse7 .cse5))) [2018-12-09 11:17:30,939 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 435 459) no Hoare annotation was computed. [2018-12-09 11:17:30,939 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (and (= ~pumpRunning~0 0) .cse3) .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3 .cse4 .cse7) (or .cse2 .cse3 .cse6 .cse4 .cse7 .cse5))) [2018-12-09 11:17:30,939 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 435 459) no Hoare annotation was computed. [2018-12-09 11:17:30,940 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 613 627) no Hoare annotation was computed. [2018-12-09 11:17:30,940 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)))) [2018-12-09 11:17:30,940 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-12-09 11:17:30,940 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 613 627) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not .cse2) .cse3) (or .cse2 .cse3 (and (not .cse0) .cse1)) (or (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))))) [2018-12-09 11:17:30,940 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 613 627) no Hoare annotation was computed. [2018-12-09 11:17:30,940 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 530 538) no Hoare annotation was computed. [2018-12-09 11:17:30,940 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 530 538) the Hoare annotation is: true [2018-12-09 11:17:30,940 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 530 538) no Hoare annotation was computed. [2018-12-09 11:17:30,940 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-12-09 11:17:30,940 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 594 612) the Hoare annotation is: true [2018-12-09 11:17:30,941 INFO L451 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2018-12-09 11:17:30,941 INFO L448 ceAbstractionStarter]: For program point L603-2(lines 603 607) no Hoare annotation was computed. [2018-12-09 11:17:30,941 INFO L448 ceAbstractionStarter]: For program point L601-1(line 601) no Hoare annotation was computed. [2018-12-09 11:17:30,941 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 594 612) no Hoare annotation was computed. [2018-12-09 11:17:30,941 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 594 612) no Hoare annotation was computed. [2018-12-09 11:17:30,941 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 640 646) no Hoare annotation was computed. [2018-12-09 11:17:30,941 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 640 646) the Hoare annotation is: true [2018-12-09 11:17:30,941 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,941 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,941 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-09 11:17:30,941 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-09 11:17:30,942 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 519 529) the Hoare annotation is: true [2018-12-09 11:17:30,942 INFO L451 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: true [2018-12-09 11:17:30,942 INFO L448 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2018-12-09 11:17:30,942 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 519 529) no Hoare annotation was computed. [2018-12-09 11:17:30,942 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 519 529) no Hoare annotation was computed. [2018-12-09 11:17:30,942 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 511 518) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 11:17:30,942 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 511 518) no Hoare annotation was computed. [2018-12-09 11:17:30,942 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 511 518) no Hoare annotation was computed. [2018-12-09 11:17:30,942 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (and (= ~pumpRunning~0 0) .cse7)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse7 .cse6 .cse3 .cse8 .cse4)))) [2018-12-09 11:17:30,942 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 461 485) no Hoare annotation was computed. [2018-12-09 11:17:30,942 INFO L444 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2) (or .cse6 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3))) [2018-12-09 11:17:30,942 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4) (or .cse6 .cse5 .cse2 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse6 .cse0 .cse1 .cse2 .cse3))) [2018-12-09 11:17:30,942 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 461 485) no Hoare annotation was computed. [2018-12-09 11:17:30,942 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 461 485) the Hoare annotation is: (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse2 .cse7) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse1 .cse6 .cse2 .cse7 .cse3))) [2018-12-09 11:17:30,943 INFO L444 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse5 .cse2 .cse6))) [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 482) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 290) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 280 293) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 280 293) the Hoare annotation is: true [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 280 293) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 401 407) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 401 407) the Hoare annotation is: true [2018-12-09 11:17:30,943 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) .cse0))) [2018-12-09 11:17:30,943 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 305 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 357) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L444 ceAbstractionStarter]: At program point L351-1(lines 345 358) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse5) (and .cse6 .cse1 .cse2 (= ~pumpRunning~0 0) .cse4 .cse5) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse3 .cse4 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse5) (and (and .cse6 (= ~methaneLevelCritical~0 1) .cse4 .cse5) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point L316(lines 315 362) no Hoare annotation was computed. [2018-12-09 11:17:30,943 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 358) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 305 370) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 341) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L444 ceAbstractionStarter]: At program point L360(lines 315 362) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse7 .cse5 .cse2 .cse3) (and (<= 2 ~waterLevel~0) .cse4 .cse7 .cse6 .cse2 .cse3) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:17:30,944 INFO L444 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse0 .cse1 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (and .cse5 .cse7 .cse6 .cse3 .cse4)) (and .cse5 .cse7 (<= ~waterLevel~0 1) .cse3 .cse4) (and (and .cse5 .cse7 .cse2 .cse3 .cse4) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point L325-1(lines 325 331) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L444 ceAbstractionStarter]: At program point L363(lines 314 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 305 370) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 486 493) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse1 .cse3 .cse4 .cse5))) [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 486 493) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 486 493) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 294 302) no Hoare annotation was computed. [2018-12-09 11:17:30,944 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 294 302) the Hoare annotation is: true [2018-12-09 11:17:30,944 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 294 302) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse5 (not (= 1 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse7 (< 1 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse4 (or .cse5 .cse1 .cse3)) (or (or .cse6 .cse5 .cse1 .cse2) .cse4 (< ~waterLevel~0 2)) (or .cse6 .cse0 .cse4 .cse1 .cse2) (or .cse7 .cse1 .cse3) (or .cse6 .cse7 (or .cse0 .cse1)) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 188) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 166 194) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2)) (.cse8 (< 1 ~waterLevel~0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not .cse10)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or (or .cse4 (not (= 1 ~pumpRunning~0)) .cse5 .cse3) .cse6 .cse2 .cse7) (or .cse0 .cse8 .cse1 .cse5 .cse3 .cse2) (or .cse2 .cse5 .cse3 (not (= ~waterLevel~0 1)) .cse9) (or .cse4 .cse1 .cse6 .cse2 .cse7 .cse5 .cse3) (or .cse2 .cse8 .cse5 .cse3 .cse9 .cse10) (or .cse2 .cse1 .cse5 .cse3 .cse9 (not (= ~waterLevel~0 2)))))) [2018-12-09 11:17:30,945 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse11 (< 1 ~waterLevel~0)) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= 1 ~pumpRunning~0))) (.cse8 (< 2 ~waterLevel~0)) (.cse12 (<= ~methaneLevelCritical~0 __utac_acc__Specification2_spec__2_~tmp~1)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~waterLevel~0 2))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse4 .cse6 .cse7) (or .cse8 (or .cse9 .cse5 .cse6)) (or .cse10 .cse11 (or .cse1 .cse5) .cse12) (or .cse0 .cse11 .cse1 .cse5 .cse4 .cse3) (or .cse11 .cse5 .cse6) (or .cse10 .cse1 .cse8 .cse5 .cse4 .cse12) (or (or .cse10 .cse9 .cse5 .cse4) .cse8 (< ~waterLevel~0 2) (and .cse3 .cse12)) (or .cse1 .cse2 .cse6) (or .cse5 .cse4 .cse7 .cse0 .cse1 .cse3))) [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point L176-1(line 176) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 191) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 166 194) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2)) (.cse8 (< 1 ~waterLevel~0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not .cse10)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or (or .cse4 (not (= 1 ~pumpRunning~0)) .cse5 .cse3) .cse6 .cse2 .cse7) (or .cse0 .cse8 .cse1 .cse5 .cse3 .cse2) (or .cse2 .cse5 .cse3 (not (= ~waterLevel~0 1)) .cse9) (or .cse4 .cse1 .cse6 .cse2 .cse7 .cse5 .cse3) (or .cse2 .cse8 .cse5 .cse3 .cse9 .cse10) (or .cse2 .cse1 .cse5 .cse3 .cse9 (not (= ~waterLevel~0 2)))))) [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 166 194) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 158 165) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~methAndRunningLastTime~0 0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2018-12-09 11:17:30,945 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 494 510) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L444 ceAbstractionStarter]: At program point L505(line 505) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (< 2 ~waterLevel~0) .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-12-09 11:17:30,946 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 494 510) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (< 2 ~waterLevel~0) .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))))) [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 494 510) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 507) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (< 2 ~waterLevel~0) .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))))) [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 575 593) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L451 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point L584-2(lines 584 588) no Hoare annotation was computed. [2018-12-09 11:17:30,946 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 575 593) the Hoare annotation is: true [2018-12-09 11:17:30,946 INFO L448 ceAbstractionStarter]: For program point L582-1(line 582) no Hoare annotation was computed. [2018-12-09 11:17:30,947 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 575 593) no Hoare annotation was computed. [2018-12-09 11:17:30,947 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 227 238) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (< 2 ~waterLevel~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse9 (< |old(~methaneLevelCritical~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse10 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse3 .cse5 .cse7) (or .cse8 .cse9 .cse2 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse3) (or .cse1 .cse10 .cse6 .cse7) (or .cse2 .cse8 (or .cse9 .cse1 .cse3 .cse5)) (or .cse0 .cse1 .cse10 .cse4 .cse5))) [2018-12-09 11:17:30,947 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 227 238) no Hoare annotation was computed. [2018-12-09 11:17:30,947 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 227 238) no Hoare annotation was computed. [2018-12-09 11:17:30,947 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 239 247) the Hoare annotation is: true [2018-12-09 11:17:30,947 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 239 247) no Hoare annotation was computed. [2018-12-09 11:17:30,947 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 239 247) no Hoare annotation was computed. [2018-12-09 11:17:30,947 INFO L444 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (and (= ~methAndRunningLastTime~0 0) .cse10 .cse11)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (and .cse10 .cse11)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse7 .cse2) (or .cse4 .cse8 .cse1 .cse2 .cse3) (or .cse8 .cse1 .cse2 .cse3 .cse9) (or .cse8 (not (= ~systemActive~0 0))) (or (or .cse2 .cse3) .cse1 .cse0 .cse9) (or .cse1 .cse6 .cse7 .cse2 .cse5 .cse9)))) [2018-12-09 11:17:30,947 INFO L448 ceAbstractionStarter]: For program point L381(lines 380 399) no Hoare annotation was computed. [2018-12-09 11:17:30,948 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 377 400) the Hoare annotation is: (let ((.cse12 (= ~methAndRunningLastTime~0 0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (and .cse15 .cse11)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (= |old(~waterLevel~0)| 1)) (.cse10 (not (= ~systemActive~0 0))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse8 (and .cse12 .cse15 .cse11)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 (or .cse6 .cse5 .cse7) .cse8) (or .cse6 .cse9 .cse10 (= ~waterLevel~0 2) .cse7 (not (= |old(~waterLevel~0)| 2))) (or .cse11 .cse9 .cse10) (or .cse6 .cse9 .cse10 .cse12 .cse7) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse13) (or .cse9 .cse10 (not .cse14) (= 1 ~waterLevel~0)) (or (not (= ~waterLevel~0 1)) .cse14 .cse9 .cse10) (or .cse1 .cse9 .cse2 .cse8 .cse5 .cse7) (or .cse2 .cse8 .cse5 .cse7 .cse13)))) [2018-12-09 11:17:30,948 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 377 400) no Hoare annotation was computed. [2018-12-09 11:17:30,948 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 377 400) no Hoare annotation was computed. [2018-12-09 11:17:30,948 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 0))) (let ((.cse22 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 |old(~pumpRunning~0)|)) (.cse18 (= ~methAndRunningLastTime~0 0)) (.cse21 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse23 (<= ~waterLevel~0 0)) (.cse20 (= ~systemActive~0 1)) (.cse9 (not .cse13)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (< 0 |old(~waterLevel~0)|)) (.cse6 (and .cse18 .cse21 .cse23 .cse20 .cse9 .cse10)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse15 (< |old(~waterLevel~0)| 2)) (.cse16 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (and (<= ~waterLevel~0 1) .cse10)) (.cse19 (< ~methaneLevelCritical~0 1)) (.cse17 (not .cse5)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse22)) (.cse0 (and .cse18 .cse21 .cse22 .cse20 .cse9 .cse23 .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse3 (not .cse20)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 .cse4 .cse5))) (or (or .cse3 .cse4 .cse5) .cse1 .cse6 .cse7) (or (and .cse8 .cse9 .cse10) .cse6 .cse11 .cse3 (and .cse12 .cse13 .cse10) .cse4 .cse7) (or .cse14 .cse11 .cse15 .cse16 .cse3 .cse7) (or .cse17 (not (= ~systemActive~0 0))) (or .cse18 .cse11 .cse3 .cse4 .cse7) (or .cse19 .cse11 .cse15 .cse16 .cse3 .cse14) (or .cse19 .cse17 .cse11 (and .cse18 .cse12 .cse10) .cse3 .cse4) (or .cse2 .cse0 (and .cse13 .cse10) .cse11 .cse3 .cse4 (and .cse18 .cse8 .cse10)))))) [2018-12-09 11:17:30,949 INFO L444 ceAbstractionStarter]: At program point L388(lines 388 394) the Hoare annotation is: (let ((.cse31 (= ~systemActive~0 1))) (let ((.cse20 (<= ~waterLevel~0 1)) (.cse26 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not .cse31)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse28 (= 0 |old(~pumpRunning~0)|)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse29 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse32 (= ~methaneLevelCritical~0 1)) (.cse30 (<= ~waterLevel~0 0)) (.cse21 (= ~pumpRunning~0 0)) (.cse27 (= |old(~waterLevel~0)| 1))) (let ((.cse7 (not .cse27)) (.cse0 (and .cse6 .cse29 .cse32 .cse31 .cse30 .cse21)) (.cse2 (not .cse32)) (.cse13 (and .cse12 .cse21 .cse31)) (.cse18 (< |old(~waterLevel~0)| 2)) (.cse19 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= ~systemActive~0 0))) (.cse11 (or .cse3 .cse4 .cse28)) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse14 (and .cse29 .cse30 .cse21 .cse31)) (.cse15 (and .cse6 .cse29 .cse30 .cse31 (not .cse21) .cse9)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse17 (< ~methaneLevelCritical~0 1)) (.cse5 (not .cse28)) (.cse16 (< 2 |old(~waterLevel~0)|)) (.cse22 (and .cse20 .cse26 .cse9)) (.cse23 (and .cse6 .cse26 .cse9)) (.cse24 (<= 2 ~waterLevel~0)) (.cse25 (= ~pumpRunning~0 1))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 .cse4))) (or .cse5 .cse6 .cse3 .cse4 .cse7 .cse8) (or .cse9 .cse5 .cse10) (or .cse2 .cse5 .cse10 .cse6 .cse4) (or .cse11 (and .cse6 .cse12 .cse9) .cse13 .cse14 .cse15 .cse16 .cse8) (or .cse5 .cse10 .cse7 (= 1 ~waterLevel~0)) (or .cse17 .cse16 .cse18 .cse19 .cse3 (and .cse20 .cse21)) (or .cse2 .cse16 .cse3 (and .cse6 .cse12 .cse21) .cse0 .cse4 (and .cse6 .cse21 .cse9)) (or .cse2 .cse5 .cse10 (= ~waterLevel~0 2) .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse13 (and .cse20 .cse9) .cse16 .cse18 .cse19 .cse3 .cse8) (or .cse5 .cse22 .cse23 .cse16 .cse3 (and .cse24 .cse25 .cse26) .cse4 .cse8) (or (not (= ~waterLevel~0 1)) .cse27 .cse5 .cse10) (or .cse11 .cse1 .cse14 .cse15 .cse8) (or .cse17 .cse5 .cse16 .cse22 .cse23 .cse3 (and .cse6 .cse24 .cse25 .cse26) .cse4))))) [2018-12-09 11:17:30,949 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 11:17:30,949 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 11:17:30,949 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 11:17:30,949 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 11:17:30,949 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 11:17:30,949 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 11:17:30,949 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 11:17:30,949 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 11:17:30,949 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 11:17:30,949 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 11:17:30,950 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 203 214) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse6 (not (= ~methaneLevelCritical~0 0)))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (or .cse5 .cse1)) (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse2 .cse3) .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 (or .cse5 .cse6) .cse4)))) [2018-12-09 11:17:30,950 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 203 214) no Hoare annotation was computed. [2018-12-09 11:17:30,950 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 203 214) no Hoare annotation was computed. [2018-12-09 11:17:30,950 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 11:17:30,950 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 11:17:30,950 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:17:30,950 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 11:17:30,950 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:17:30,950 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:17:30,950 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2018-12-09 11:17:30,950 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 409 433) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3 .cse4 .cse7) (or .cse2 .cse3 .cse6 .cse4 .cse7 .cse5))) [2018-12-09 11:17:30,951 INFO L444 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (and (= ~pumpRunning~0 0) .cse3) .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3 .cse4 .cse7) (or .cse2 .cse3 .cse6 .cse4 .cse7 .cse5))) [2018-12-09 11:17:30,951 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-12-09 11:17:30,951 INFO L448 ceAbstractionStarter]: For program point L413(lines 413 430) no Hoare annotation was computed. [2018-12-09 11:17:30,951 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 409 433) no Hoare annotation was computed. [2018-12-09 11:17:30,951 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse1 .cse4 .cse2 .cse5) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-09 11:17:30,951 INFO L448 ceAbstractionStarter]: For program point L428-1(lines 409 433) no Hoare annotation was computed. [2018-12-09 11:17:30,951 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse8 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and .cse8 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse9)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2 .cse6 .cse3) (or .cse7 .cse0 .cse4 (and .cse8 .cse9) .cse2) (or .cse7 .cse4 .cse5 (< ~waterLevel~0 2) .cse2 .cse6)))) [2018-12-09 11:17:30,951 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< 2 ~waterLevel~0)) (.cse5 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse6 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse5 .cse3) (or .cse7 .cse6 .cse0 .cse2))) [2018-12-09 11:17:30,952 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 215 226) no Hoare annotation was computed. [2018-12-09 11:17:30,952 INFO L448 ceAbstractionStarter]: For program point L219-1(lines 215 226) no Hoare annotation was computed. [2018-12-09 11:17:30,952 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 215 226) the Hoare annotation is: (let ((.cse7 (not (= ~systemActive~0 1))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse9 (or .cse7 .cse10)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (= ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 (or .cse2 .cse7 .cse1)) (or .cse4 .cse6 (< |old(~waterLevel~0)| 2) .cse8 .cse7 .cse5) (or .cse5 .cse6 (or .cse8 .cse9 .cse1)) (or (< 1 |old(~waterLevel~0)|) .cse5 (or .cse9 .cse1)) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse2 .cse7 .cse1 .cse10 .cse5 .cse3)))) [2018-12-09 11:17:30,952 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2018-12-09 11:17:30,952 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 146 153) no Hoare annotation was computed. [2018-12-09 11:17:30,952 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 146 153) the Hoare annotation is: true [2018-12-09 11:17:30,952 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 146 153) no Hoare annotation was computed. [2018-12-09 11:17:30,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:17:30 BoogieIcfgContainer [2018-12-09 11:17:30,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:17:30,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:17:30,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:17:30,963 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:17:30,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:16:40" (3/4) ... [2018-12-09 11:17:30,965 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 11:17:30,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 11:17:30,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 11:17:30,974 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 11:17:30,975 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 11:17:30,975 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 11:17:30,975 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 11:17:30,976 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:17:30,976 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:17:30,997 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((((methAndRunningLastTime == 0 && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || (((((2 <= waterLevel && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 11:17:30,998 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 11:17:31,026 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dedaefc3-5632-4f50-aedc-830f6aa20ad3/bin-2019/utaipan/witness.graphml [2018-12-09 11:17:31,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:17:31,027 INFO L168 Benchmark]: Toolchain (without parser) took 51178.63 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 952.4 MB in the beginning and 1.8 GB in the end (delta: -855.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 11:17:31,027 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:17:31,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:17:31,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:17:31,028 INFO L168 Benchmark]: Boogie Preprocessor took 22.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:17:31,028 INFO L168 Benchmark]: RCFGBuilder took 336.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:17:31,028 INFO L168 Benchmark]: TraceAbstraction took 50428.29 ms. Allocated memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -795.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-09 11:17:31,029 INFO L168 Benchmark]: Witness Printer took 63.98 ms. Allocated memory is still 3.4 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 24.6 kB). Peak memory consumption was 24.6 kB. Max. memory is 11.5 GB. [2018-12-09 11:17:31,030 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 336.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 50428.29 ms. Allocated memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -795.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 63.98 ms. Allocated memory is still 3.4 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 24.6 kB). Peak memory consumption was 24.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: 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: 314]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((((methAndRunningLastTime == 0 && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || (((((2 <= waterLevel && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 174 locations, 1 error locations. SAFE Result, 50.3s OverallTime, 15 OverallIterations, 8 TraceHistogramMax, 27.1s AutomataDifference, 0.0s DeadEndRemovalTime, 8.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 4019 SDtfs, 5452 SDslu, 17188 SDs, 0 SdLazy, 9508 SolverSat, 3188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2851 GetRequests, 2527 SyntacticMatches, 23 SemanticMatches, 301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4930 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3765occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.0s AbstIntTime, 6 AbstIntIterations, 2 AbstIntStrong, 0.996452361508926 AbsIntWeakeningRatio, 0.8571428571428571 AbsIntAvgWeakeningVarsNumRemoved, 99.6578073089701 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 652 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 9545 PreInvPairs, 10332 NumberOfFragments, 4832 HoareAnnotationTreeSize, 9545 FomulaSimplifications, 44009 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 73 FomulaSimplificationsInter, 70343 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3387 NumberOfCodeBlocks, 3387 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4506 ConstructedInterpolants, 0 QuantifiedInterpolants, 1536489 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4857 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 3271/3483 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...