./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/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 23cbf887df70a1f42db96b12c0b9702076660a13 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:50:34,301 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:50:34,302 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:50:34,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:50:34,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:50:34,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:50:34,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:50:34,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:50:34,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:50:34,316 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:50:34,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:50:34,317 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:50:34,317 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:50:34,318 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:50:34,318 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:50:34,319 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:50:34,319 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:50:34,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:50:34,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:50:34,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:50:34,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:50:34,325 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:50:34,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:50:34,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:50:34,326 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:50:34,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:50:34,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:50:34,327 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:50:34,328 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:50:34,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:50:34,329 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:50:34,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:50:34,330 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:50:34,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:50:34,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:50:34,331 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:50:34,331 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:50:34,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:50:34,339 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:50:34,340 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:50:34,340 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:50:34,340 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:50:34,340 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:50:34,341 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:50:34,341 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:50:34,341 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:50:34,341 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:50:34,341 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:50:34,341 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:50:34,341 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:50:34,342 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:50:34,342 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:50:34,342 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:50:34,342 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:50:34,342 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:50:34,343 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:50:34,343 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:50:34,343 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:50:34,343 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:50:34,343 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:50:34,343 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:50:34,343 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:50:34,344 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:50:34,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:50:34,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:50:34,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:50:34,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:34,344 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:50:34,344 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:50:34,345 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:50:34,345 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:50:34,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:50:34,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:50:34,345 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:50:34,345 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_3efa9b76-0406-47b9-9ba0-fa181321aafb/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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2018-11-23 15:50:34,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:50:34,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:50:34,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:50:34,382 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:50:34,382 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:50:34,383 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-23 15:50:34,427 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/data/1ce173148/85451fc0c23046bab1e5079a2d5dfa27/FLAG1257be931 [2018-11-23 15:50:34,887 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:50:34,888 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-23 15:50:34,896 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/data/1ce173148/85451fc0c23046bab1e5079a2d5dfa27/FLAG1257be931 [2018-11-23 15:50:35,400 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/data/1ce173148/85451fc0c23046bab1e5079a2d5dfa27 [2018-11-23 15:50:35,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:50:35,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:50:35,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:35,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:50:35,407 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:50:35,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bf0f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35, skipping insertion in model container [2018-11-23 15:50:35,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:50:35,446 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:50:35,640 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:50:35,701 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:50:35,757 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:50:35,776 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:50:35,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35 WrapperNode [2018-11-23 15:50:35,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:35,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:50:35,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:50:35,778 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:50:35,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:50:35,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:50:35,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:50:35,805 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:50:35,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2018-11-23 15:50:35,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:50:35,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:50:35,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:50:35,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:50:35,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 15:50:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 15:50:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:50:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:50:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:50:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 15:50:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 15:50:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 15:50:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 15:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 15:50:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 15:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 15:50:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 15:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 15:50:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 15:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 15:50:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 15:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 15:50:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 15:50:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 15:50:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 15:50:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 15:50:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 15:50:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 15:50:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 15:50:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 15:50:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 15:50:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 15:50:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 15:50:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:50:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:50:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 15:50:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 15:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 15:50:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 15:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 15:50:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 15:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 15:50:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 15:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 15:50:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 15:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 15:50:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 15:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 15:50:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 15:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 15:50:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 15:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 15:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:50:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 15:50:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 15:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 15:50:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 15:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 15:50:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 15:50:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:50:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:50:36,337 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:50:36,337 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 15:50:36,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:36 BoogieIcfgContainer [2018-11-23 15:50:36,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:50:36,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:50:36,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:50:36,341 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:50:36,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:50:35" (1/3) ... [2018-11-23 15:50:36,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a0b51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:36, skipping insertion in model container [2018-11-23 15:50:36,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (2/3) ... [2018-11-23 15:50:36,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a0b51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:36, skipping insertion in model container [2018-11-23 15:50:36,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:36" (3/3) ... [2018-11-23 15:50:36,343 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-23 15:50:36,350 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:50:36,354 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:50:36,363 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:50:36,385 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:50:36,385 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:50:36,385 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:50:36,385 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:50:36,385 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:50:36,386 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:50:36,386 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:50:36,386 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:50:36,402 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-11-23 15:50:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 15:50:36,411 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:36,412 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:36,414 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:36,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:36,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1964554261, now seen corresponding path program 1 times [2018-11-23 15:50:36,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:36,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:36,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:36,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:36,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:36,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:36,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:50:36,602 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:36,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:50:36,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:50:36,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:50:36,618 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-11-23 15:50:36,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:36,641 INFO L93 Difference]: Finished difference Result 266 states and 329 transitions. [2018-11-23 15:50:36,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:50:36,642 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 15:50:36,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:36,649 INFO L225 Difference]: With dead ends: 266 [2018-11-23 15:50:36,649 INFO L226 Difference]: Without dead ends: 133 [2018-11-23 15:50:36,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:50:36,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-23 15:50:36,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-23 15:50:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 15:50:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-11-23 15:50:36,686 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 52 [2018-11-23 15:50:36,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:36,686 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-11-23 15:50:36,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:50:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-11-23 15:50:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 15:50:36,690 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:36,690 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] [2018-11-23 15:50:36,690 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:36,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:36,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1078735596, now seen corresponding path program 1 times [2018-11-23 15:50:36,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:36,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:36,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:36,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:36,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:36,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:36,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:50:36,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:36,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:50:36,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:50:36,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:50:36,784 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-11-23 15:50:36,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:36,803 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-11-23 15:50:36,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:50:36,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 15:50:36,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:36,805 INFO L225 Difference]: With dead ends: 211 [2018-11-23 15:50:36,805 INFO L226 Difference]: Without dead ends: 124 [2018-11-23 15:50:36,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:50:36,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-23 15:50:36,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-23 15:50:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-23 15:50:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-11-23 15:50:36,816 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2018-11-23 15:50:36,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:36,817 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-11-23 15:50:36,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:50:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-11-23 15:50:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 15:50:36,818 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:36,818 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] [2018-11-23 15:50:36,818 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:36,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:36,819 INFO L82 PathProgramCache]: Analyzing trace with hash -366396523, now seen corresponding path program 1 times [2018-11-23 15:50:36,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:36,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:36,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:36,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:36,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:36,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:36,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:50:36,924 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:36,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:50:36,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:50:36,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:50:36,925 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-11-23 15:50:37,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:37,144 INFO L93 Difference]: Finished difference Result 224 states and 265 transitions. [2018-11-23 15:50:37,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:50:37,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-23 15:50:37,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:37,146 INFO L225 Difference]: With dead ends: 224 [2018-11-23 15:50:37,146 INFO L226 Difference]: Without dead ends: 124 [2018-11-23 15:50:37,147 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:50:37,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-23 15:50:37,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-23 15:50:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-23 15:50:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-11-23 15:50:37,162 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2018-11-23 15:50:37,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:37,162 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-11-23 15:50:37,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:50:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-11-23 15:50:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 15:50:37,164 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:37,165 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:37,165 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:37,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:37,165 INFO L82 PathProgramCache]: Analyzing trace with hash -412527028, now seen corresponding path program 1 times [2018-11-23 15:50:37,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:37,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:37,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:37,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:37,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:37,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:37,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:50:37,265 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:37,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:50:37,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:50:37,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:50:37,266 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-11-23 15:50:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:37,591 INFO L93 Difference]: Finished difference Result 335 states and 403 transitions. [2018-11-23 15:50:37,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:50:37,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-23 15:50:37,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:37,593 INFO L225 Difference]: With dead ends: 335 [2018-11-23 15:50:37,593 INFO L226 Difference]: Without dead ends: 235 [2018-11-23 15:50:37,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:50:37,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-23 15:50:37,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 216. [2018-11-23 15:50:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-23 15:50:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2018-11-23 15:50:37,619 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 71 [2018-11-23 15:50:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:37,619 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2018-11-23 15:50:37,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:50:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2018-11-23 15:50:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 15:50:37,620 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:37,622 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:37,622 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:37,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:37,622 INFO L82 PathProgramCache]: Analyzing trace with hash 985720040, now seen corresponding path program 1 times [2018-11-23 15:50:37,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:37,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:37,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:37,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:37,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:37,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:37,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:50:37,714 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:37,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:50:37,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:50:37,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:50:37,715 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 6 states. [2018-11-23 15:50:37,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:37,839 INFO L93 Difference]: Finished difference Result 528 states and 633 transitions. [2018-11-23 15:50:37,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:50:37,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-23 15:50:37,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:37,843 INFO L225 Difference]: With dead ends: 528 [2018-11-23 15:50:37,843 INFO L226 Difference]: Without dead ends: 336 [2018-11-23 15:50:37,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:50:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-11-23 15:50:37,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2018-11-23 15:50:37,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-11-23 15:50:37,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 384 transitions. [2018-11-23 15:50:37,868 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 384 transitions. Word has length 85 [2018-11-23 15:50:37,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:37,868 INFO L480 AbstractCegarLoop]: Abstraction has 332 states and 384 transitions. [2018-11-23 15:50:37,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:50:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 384 transitions. [2018-11-23 15:50:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 15:50:37,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:37,869 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:37,869 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:37,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:37,870 INFO L82 PathProgramCache]: Analyzing trace with hash 134647598, now seen corresponding path program 1 times [2018-11-23 15:50:37,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:37,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:37,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:37,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:37,871 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:37,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:37,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:50:37,959 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:37,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:50:37,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:50:37,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:50:37,960 INFO L87 Difference]: Start difference. First operand 332 states and 384 transitions. Second operand 6 states. [2018-11-23 15:50:38,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:38,097 INFO L93 Difference]: Finished difference Result 711 states and 857 transitions. [2018-11-23 15:50:38,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:50:38,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 15:50:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:38,100 INFO L225 Difference]: With dead ends: 711 [2018-11-23 15:50:38,101 INFO L226 Difference]: Without dead ends: 519 [2018-11-23 15:50:38,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:50:38,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-11-23 15:50:38,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 501. [2018-11-23 15:50:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-11-23 15:50:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 593 transitions. [2018-11-23 15:50:38,127 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 593 transitions. Word has length 89 [2018-11-23 15:50:38,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:38,127 INFO L480 AbstractCegarLoop]: Abstraction has 501 states and 593 transitions. [2018-11-23 15:50:38,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:50:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 593 transitions. [2018-11-23 15:50:38,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 15:50:38,129 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:38,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:38,129 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:38,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:38,130 INFO L82 PathProgramCache]: Analyzing trace with hash -788035985, now seen corresponding path program 1 times [2018-11-23 15:50:38,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:38,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:38,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:38,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:38,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:38,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:38,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:50:38,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:38,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:50:38,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:50:38,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:50:38,184 INFO L87 Difference]: Start difference. First operand 501 states and 593 transitions. Second operand 5 states. [2018-11-23 15:50:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:38,205 INFO L93 Difference]: Finished difference Result 872 states and 1054 transitions. [2018-11-23 15:50:38,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 15:50:38,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-23 15:50:38,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:38,208 INFO L225 Difference]: With dead ends: 872 [2018-11-23 15:50:38,208 INFO L226 Difference]: Without dead ends: 511 [2018-11-23 15:50:38,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:50:38,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-23 15:50:38,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-11-23 15:50:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-11-23 15:50:38,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 596 transitions. [2018-11-23 15:50:38,229 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 596 transitions. Word has length 89 [2018-11-23 15:50:38,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:38,230 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 596 transitions. [2018-11-23 15:50:38,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:50:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 596 transitions. [2018-11-23 15:50:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 15:50:38,231 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:38,231 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:38,232 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:38,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:38,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1632041487, now seen corresponding path program 1 times [2018-11-23 15:50:38,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:38,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:38,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:38,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:38,233 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:38,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:38,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 15:50:38,310 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:38,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:50:38,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:50:38,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:50:38,311 INFO L87 Difference]: Start difference. First operand 505 states and 596 transitions. Second operand 9 states. [2018-11-23 15:50:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:38,351 INFO L93 Difference]: Finished difference Result 992 states and 1194 transitions. [2018-11-23 15:50:38,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 15:50:38,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-23 15:50:38,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:38,354 INFO L225 Difference]: With dead ends: 992 [2018-11-23 15:50:38,354 INFO L226 Difference]: Without dead ends: 511 [2018-11-23 15:50:38,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:50:38,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-23 15:50:38,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-11-23 15:50:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-11-23 15:50:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 594 transitions. [2018-11-23 15:50:38,372 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 594 transitions. Word has length 89 [2018-11-23 15:50:38,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:38,372 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 594 transitions. [2018-11-23 15:50:38,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:50:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 594 transitions. [2018-11-23 15:50:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 15:50:38,375 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:38,375 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:38,375 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:38,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:38,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1949044827, now seen corresponding path program 1 times [2018-11-23 15:50:38,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:38,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:38,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:38,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:38,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:50:38,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:38,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 15:50:38,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:38,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:50:38,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:50:38,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:50:38,452 INFO L87 Difference]: Start difference. First operand 505 states and 594 transitions. Second operand 10 states. [2018-11-23 15:50:38,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:38,584 INFO L93 Difference]: Finished difference Result 992 states and 1170 transitions. [2018-11-23 15:50:38,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 15:50:38,585 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-11-23 15:50:38,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:38,586 INFO L225 Difference]: With dead ends: 992 [2018-11-23 15:50:38,586 INFO L226 Difference]: Without dead ends: 511 [2018-11-23 15:50:38,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:50:38,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-23 15:50:38,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 490. [2018-11-23 15:50:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-11-23 15:50:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 559 transitions. [2018-11-23 15:50:38,603 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 559 transitions. Word has length 90 [2018-11-23 15:50:38,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:38,604 INFO L480 AbstractCegarLoop]: Abstraction has 490 states and 559 transitions. [2018-11-23 15:50:38,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:50:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 559 transitions. [2018-11-23 15:50:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 15:50:38,606 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:38,606 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:38,606 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:38,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:38,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1759302794, now seen corresponding path program 1 times [2018-11-23 15:50:38,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:38,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:38,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:38,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:38,607 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 15:50:38,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:50:38,661 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:50:38,661 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-11-23 15:50:38,663 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [78], [80], [86], [88], [94], [97], [107], [108], [109], [110], [111], [112], [113], [115], [118], [122], [123], [131], [132], [161], [164], [168], [174], [175], [177], [180], [182], [184], [187], [189], [194], [200], [203], [207], [208], [212], [215], [217], [220], [230], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [255], [256], [257], [258], [259], [260], [263], [264], [271], [272], [275], [276], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [297], [299], [300], [301], [302] [2018-11-23 15:50:38,687 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:50:38,688 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:50:39,021 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:50:39,022 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2478 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2478 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 15:50:39,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:39,041 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:50:39,275 INFO L227 lantSequenceWeakener]: Weakened 101 states. On average, predicates are now at 96.7% of their original sizes. [2018-11-23 15:50:39,275 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:50:39,406 INFO L415 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2018-11-23 15:50:39,406 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:50:39,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:50:39,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-11-23 15:50:39,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:39,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 15:50:39,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 15:50:39,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-23 15:50:39,408 INFO L87 Difference]: Start difference. First operand 490 states and 559 transitions. Second operand 22 states. [2018-11-23 15:50:42,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:42,163 INFO L93 Difference]: Finished difference Result 1081 states and 1251 transitions. [2018-11-23 15:50:42,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 15:50:42,163 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 134 [2018-11-23 15:50:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:42,165 INFO L225 Difference]: With dead ends: 1081 [2018-11-23 15:50:42,165 INFO L226 Difference]: Without dead ends: 615 [2018-11-23 15:50:42,166 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2018-11-23 15:50:42,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2018-11-23 15:50:42,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 589. [2018-11-23 15:50:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2018-11-23 15:50:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 667 transitions. [2018-11-23 15:50:42,184 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 667 transitions. Word has length 134 [2018-11-23 15:50:42,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:42,185 INFO L480 AbstractCegarLoop]: Abstraction has 589 states and 667 transitions. [2018-11-23 15:50:42,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 15:50:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 667 transitions. [2018-11-23 15:50:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:50:42,186 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:42,186 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:42,187 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:42,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:42,187 INFO L82 PathProgramCache]: Analyzing trace with hash -315478544, now seen corresponding path program 1 times [2018-11-23 15:50:42,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:42,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:42,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:42,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:42,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 15:50:42,244 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:50:42,244 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:50:42,244 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-23 15:50:42,245 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [94], [97], [107], [108], [109], [110], [111], [112], [113], [115], [118], [122], [123], [131], [132], [161], [164], [168], [174], [175], [177], [180], [182], [184], [187], [189], [194], [200], [203], [207], [208], [212], [215], [217], [220], [230], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [255], [256], [257], [258], [259], [260], [263], [264], [265], [266], [271], [272], [275], [276], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [297], [299], [300], [301], [302] [2018-11-23 15:50:42,248 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:50:42,248 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:50:42,492 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:50:42,492 INFO L272 AbstractInterpreter]: Visited 86 different actions 139 times. Merged at 6 different actions 6 times. Never widened. Performed 6473 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6473 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 15:50:42,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:42,501 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:50:42,715 INFO L227 lantSequenceWeakener]: Weakened 105 states. On average, predicates are now at 96.69% of their original sizes. [2018-11-23 15:50:42,715 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:50:42,874 INFO L415 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-11-23 15:50:42,874 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:50:42,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:50:42,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [6] total 30 [2018-11-23 15:50:42,875 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:50:42,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-23 15:50:42,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-23 15:50:42,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-11-23 15:50:42,876 INFO L87 Difference]: Start difference. First operand 589 states and 667 transitions. Second operand 26 states. [2018-11-23 15:50:47,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:47,310 INFO L93 Difference]: Finished difference Result 1051 states and 1223 transitions. [2018-11-23 15:50:47,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 15:50:47,310 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 138 [2018-11-23 15:50:47,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:47,313 INFO L225 Difference]: With dead ends: 1051 [2018-11-23 15:50:47,313 INFO L226 Difference]: Without dead ends: 706 [2018-11-23 15:50:47,315 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=951, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 15:50:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-11-23 15:50:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 673. [2018-11-23 15:50:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-23 15:50:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 762 transitions. [2018-11-23 15:50:47,352 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 762 transitions. Word has length 138 [2018-11-23 15:50:47,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:47,353 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 762 transitions. [2018-11-23 15:50:47,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-23 15:50:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 762 transitions. [2018-11-23 15:50:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:50:47,355 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:47,356 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:47,356 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:47,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:47,356 INFO L82 PathProgramCache]: Analyzing trace with hash -544472691, now seen corresponding path program 1 times [2018-11-23 15:50:47,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:50:47,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:47,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:47,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:47,404 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:50:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:50:47,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:50:47,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:50:47,526 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-23 15:50:47,527 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [33], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [94], [97], [107], [108], [109], [110], [111], [112], [113], [115], [120], [122], [123], [131], [132], [161], [164], [168], [174], [175], [177], [180], [182], [184], [187], [189], [194], [200], [203], [207], [208], [212], [215], [217], [220], [230], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [255], [256], [257], [258], [259], [260], [263], [264], [265], [266], [271], [272], [275], [276], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [297], [299], [300], [301], [302] [2018-11-23 15:50:47,529 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:50:47,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:50:47,809 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:50:47,809 INFO L272 AbstractInterpreter]: Visited 94 different actions 115 times. Merged at 6 different actions 6 times. Never widened. Performed 6189 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 15:50:47,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:47,814 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:50:47,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:50:47,814 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:50:47,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:47,820 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:50:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:47,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:50:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:50:48,072 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:50:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:50:48,340 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 15:50:48,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-23 15:50:48,340 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 15:50:48,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 15:50:48,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 15:50:48,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-23 15:50:48,342 INFO L87 Difference]: Start difference. First operand 673 states and 762 transitions. Second operand 15 states. [2018-11-23 15:50:49,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:49,961 INFO L93 Difference]: Finished difference Result 2125 states and 2905 transitions. [2018-11-23 15:50:49,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 15:50:49,962 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-11-23 15:50:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:49,962 INFO L225 Difference]: With dead ends: 2125 [2018-11-23 15:50:49,962 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:50:49,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 266 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 15:50:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:50:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:50:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:50:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:50:49,966 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-11-23 15:50:49,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:49,966 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:50:49,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 15:50:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:50:49,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:50:49,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:50:50,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:50:50,837 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2018-11-23 15:50:51,951 WARN L180 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 51 [2018-11-23 15:50:52,326 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 45 [2018-11-23 15:50:52,477 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 27 [2018-11-23 15:50:52,675 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2018-11-23 15:50:52,925 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2018-11-23 15:50:53,171 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2018-11-23 15:50:53,347 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 38 [2018-11-23 15:50:53,591 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 40 [2018-11-23 15:50:53,877 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 15:50:53,877 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 15:50:53,877 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 15:50:53,877 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 15:50:53,877 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 15:50:53,878 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2018-11-23 15:50:53,878 INFO L448 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2018-11-23 15:50:53,878 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,878 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,878 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 792 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,878 INFO L444 ceAbstractionStarter]: At program point L798-1(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,878 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2018-11-23 15:50:53,878 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 792 814) no Hoare annotation was computed. [2018-11-23 15:50:53,879 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,879 INFO L444 ceAbstractionStarter]: At program point L804-1(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,879 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2018-11-23 15:50:53,879 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2018-11-23 15:50:53,879 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2018-11-23 15:50:53,879 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2018-11-23 15:50:53,879 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 15:50:53,879 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 15:50:53,879 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 782 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,879 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 782 791) no Hoare annotation was computed. [2018-11-23 15:50:53,879 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 782 791) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 261 271) the Hoare annotation is: true [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L451 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: true [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 896 909) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 896 909) the Hoare annotation is: true [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 896 909) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 15:50:53,880 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-23 15:50:53,880 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2018-11-23 15:50:53,880 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:50:53,880 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2018-11-23 15:50:53,881 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L444 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L444 ceAbstractionStarter]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2018-11-23 15:50:53,881 INFO L444 ceAbstractionStarter]: At program point L138(lines 93 140) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:50:53,881 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-23 15:50:53,882 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 887 895) the Hoare annotation is: true [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2018-11-23 15:50:53,882 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2018-11-23 15:50:53,882 INFO L451 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-11-23 15:50:53,883 INFO L448 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2018-11-23 15:50:53,883 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-11-23 15:50:53,883 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-11-23 15:50:53,883 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-11-23 15:50:53,883 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-11-23 15:50:53,883 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2018-11-23 15:50:53,883 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2018-11-23 15:50:53,883 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2018-11-23 15:50:53,883 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 721 750) no Hoare annotation was computed. [2018-11-23 15:50:53,883 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2018-11-23 15:50:53,883 INFO L451 ceAbstractionStarter]: At program point L735-1(lines 735 739) the Hoare annotation is: true [2018-11-23 15:50:53,883 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 721 750) the Hoare annotation is: true [2018-11-23 15:50:53,884 INFO L448 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2018-11-23 15:50:53,884 INFO L451 ceAbstractionStarter]: At program point L731-2(lines 731 745) the Hoare annotation is: true [2018-11-23 15:50:53,884 INFO L451 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2018-11-23 15:50:53,884 INFO L448 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2018-11-23 15:50:53,884 INFO L451 ceAbstractionStarter]: At program point L746(lines 721 750) the Hoare annotation is: true [2018-11-23 15:50:53,884 INFO L448 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2018-11-23 15:50:53,884 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse3 .cse4)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (or .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse0)) (or .cse8 .cse9)) (or .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse8 .cse4 .cse6 .cse7) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse4) (or .cse10 .cse4 .cse9 .cse5)))) [2018-11-23 15:50:53,884 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-11-23 15:50:53,884 INFO L444 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or (and .cse8 (= 0 ~pumpRunning~0) .cse6) (and .cse8 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse8 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-11-23 15:50:53,884 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse0 .cse1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)) (or (= ~waterLevel~0 2) (= 1 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3)))) [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point L166(lines 165 184) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point L926-1(lines 911 943) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 911 943) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point L924-1(line 924) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 911 943) the Hoare annotation is: true [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L451 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-11-23 15:50:53,885 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-23 15:50:53,885 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (or (= ~waterLevel~0 2) (= 1 ~waterLevel~0)) (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 775 781) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 775 781) the Hoare annotation is: true [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 15:50:53,886 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 15:50:53,886 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse1) (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) .cse1))))) [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-11-23 15:50:53,886 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-23 15:50:53,886 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-23 15:50:53,887 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-11-23 15:50:53,887 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-11-23 15:50:53,887 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse0 .cse1))) [2018-11-23 15:50:53,887 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-11-23 15:50:53,887 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2018-11-23 15:50:53,887 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< 2 |old(~waterLevel~0)|) .cse4 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse4 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse0 .cse1 .cse6) (or .cse3 (or .cse4 .cse1 .cse2)) (or .cse5 .cse6 .cse4 .cse1))) [2018-11-23 15:50:53,887 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2018-11-23 15:50:53,887 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 711 718) no Hoare annotation was computed. [2018-11-23 15:50:53,887 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 711 718) the Hoare annotation is: true [2018-11-23 15:50:53,887 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2018-11-23 15:50:53,888 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 711 718) no Hoare annotation was computed. [2018-11-23 15:50:53,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:50:53 BoogieIcfgContainer [2018-11-23 15:50:53,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:50:53,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:50:53,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:50:53,902 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:50:53,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:36" (3/4) ... [2018-11-23 15:50:53,905 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 15:50:53,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 15:50:53,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 15:50:53,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 15:50:53,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 15:50:53,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:50:53,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 15:50:53,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 15:50:53,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 15:50:53,916 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 15:50:53,916 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 15:50:53,917 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 15:50:53,917 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:50:53,917 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:50:53,918 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:50:53,918 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:50:53,936 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 15:50:53,936 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 15:50:53,970 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3efa9b76-0406-47b9-9ba0-fa181321aafb/bin-2019/utaipan/witness.graphml [2018-11-23 15:50:53,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:50:53,971 INFO L168 Benchmark]: Toolchain (without parser) took 18567.69 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 780.1 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -339.4 MB). Peak memory consumption was 440.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:53,971 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:53,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:53,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:53,972 INFO L168 Benchmark]: Boogie Preprocessor took 30.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:53,972 INFO L168 Benchmark]: RCFGBuilder took 502.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:53,973 INFO L168 Benchmark]: TraceAbstraction took 17563.77 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 658.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -256.9 MB). Peak memory consumption was 890.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:53,973 INFO L168 Benchmark]: Witness Printer took 68.26 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:53,974 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 502.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17563.77 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 658.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -256.9 MB). Peak memory consumption was 890.9 MB. Max. memory is 11.5 GB. * Witness Printer took 68.26 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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: 93]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 17.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 9.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2042 SDtfs, 1981 SDslu, 9333 SDs, 0 SdLazy, 5048 SolverSat, 1052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 698 GetRequests, 527 SyntacticMatches, 14 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=673occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9966310602932557 AbsIntWeakeningRatio, 0.9333333333333333 AbsIntAvgWeakeningVarsNumRemoved, 66.67407407407407 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 133 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2071 PreInvPairs, 2475 NumberOfFragments, 1814 HoareAnnotationTreeSize, 2071 FomulaSimplifications, 11831 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 61 FomulaSimplificationsInter, 23106 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1224 NumberOfCodeBlocks, 1224 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1348 ConstructedInterpolants, 0 QuantifiedInterpolants, 237817 SizeOfPredicates, 7 NumberOfNonLiveVariables, 842 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 135/155 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...