./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34_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_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/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 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 07:13:57,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:13:57,834 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:13:57,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:13:57,841 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:13:57,841 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:13:57,842 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:13:57,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:13:57,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:13:57,845 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:13:57,845 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:13:57,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:13:57,846 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:13:57,847 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:13:57,847 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:13:57,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:13:57,848 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:13:57,849 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:13:57,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:13:57,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:13:57,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:13:57,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:13:57,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:13:57,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:13:57,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:13:57,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:13:57,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:13:57,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:13:57,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:13:57,857 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:13:57,857 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:13:57,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:13:57,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:13:57,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:13:57,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:13:57,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:13:57,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:13:57,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:13:57,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:13:57,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:13:57,869 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:13:57,869 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:13:57,869 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:13:57,870 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:13:57,870 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:13:57,870 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:13:57,870 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:13:57,870 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:13:57,870 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:13:57,870 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:13:57,871 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:13:57,871 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:13:57,871 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:13:57,871 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:13:57,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:13:57,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:13:57,872 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:13:57,872 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:13:57,872 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:13:57,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:13:57,872 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:13:57,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:13:57,872 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:13:57,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:13:57,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:13:57,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:13:57,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:13:57,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:13:57,873 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:13:57,873 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:13:57,873 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:13:57,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:13:57,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:13:57,874 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:13:57,874 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_a0f5e412-ed51-483b-8a79-21bdc5efab0f/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 -> 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf [2018-11-23 07:13:57,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:13:57,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:13:57,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:13:57,909 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:13:57,909 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:13:57,909 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-23 07:13:57,946 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/data/0d30a4464/21bfaf56f6b84b10bbf0ac6520eaa35f/FLAGe7b88c3f6 [2018-11-23 07:13:58,388 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:13:58,388 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-23 07:13:58,395 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/data/0d30a4464/21bfaf56f6b84b10bbf0ac6520eaa35f/FLAGe7b88c3f6 [2018-11-23 07:13:58,408 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/data/0d30a4464/21bfaf56f6b84b10bbf0ac6520eaa35f [2018-11-23 07:13:58,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:13:58,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:13:58,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:13:58,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:13:58,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:13:58,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58, skipping insertion in model container [2018-11-23 07:13:58,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:13:58,460 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:13:58,653 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:13:58,722 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:13:58,789 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:13:58,813 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:13:58,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58 WrapperNode [2018-11-23 07:13:58,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:13:58,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:13:58,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:13:58,815 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:13:58,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:13:58,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:13:58,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:13:58,849 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:13:58,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... [2018-11-23 07:13:58,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:13:58,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:13:58,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:13:58,889 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:13:58,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/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 07:13:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:13:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:13:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:13:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:13:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:13:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:13:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:13:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 07:13:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 07:13:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:13:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:13:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:13:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:13:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:13:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:13:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 07:13:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 07:13:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 07:13:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 07:13:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 07:13:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 07:13:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:13:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:13:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:13:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:13:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:13:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:13:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:13:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:13:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 07:13:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 07:13:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:13:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:13:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:13:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:13:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:13:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:13:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:13:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:13:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:13:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:13:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:13:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:13:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:13:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:13:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:13:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:13:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:13:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:13:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:13:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:13:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:13:59,352 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:13:59,352 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:13:59,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:13:59 BoogieIcfgContainer [2018-11-23 07:13:59,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:13:59,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:13:59,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:13:59,356 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:13:59,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:13:58" (1/3) ... [2018-11-23 07:13:59,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f562736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:13:59, skipping insertion in model container [2018-11-23 07:13:59,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:13:58" (2/3) ... [2018-11-23 07:13:59,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f562736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:13:59, skipping insertion in model container [2018-11-23 07:13:59,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:13:59" (3/3) ... [2018-11-23 07:13:59,359 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-23 07:13:59,365 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:13:59,370 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:13:59,379 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:13:59,402 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:13:59,402 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:13:59,402 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:13:59,402 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:13:59,402 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:13:59,403 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:13:59,403 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:13:59,403 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:13:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-11-23 07:13:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:13:59,424 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:59,425 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 07:13:59,426 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:59,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:59,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1739665081, now seen corresponding path program 1 times [2018-11-23 07:13:59,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:13:59,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:59,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:59,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:59,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:13:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:59,612 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 07:13:59,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:13:59,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:13:59,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:13:59,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:13:59,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:13:59,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:13:59,627 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-11-23 07:13:59,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:59,652 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2018-11-23 07:13:59,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:13:59,653 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 07:13:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:59,661 INFO L225 Difference]: With dead ends: 230 [2018-11-23 07:13:59,662 INFO L226 Difference]: Without dead ends: 115 [2018-11-23 07:13:59,664 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 07:13:59,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-23 07:13:59,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-23 07:13:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 07:13:59,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2018-11-23 07:13:59,698 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2018-11-23 07:13:59,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:59,699 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2018-11-23 07:13:59,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:13:59,699 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2018-11-23 07:13:59,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 07:13:59,701 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:59,702 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 07:13:59,702 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:59,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:59,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1796622766, now seen corresponding path program 1 times [2018-11-23 07:13:59,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:13:59,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:59,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:59,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:59,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:13:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:59,782 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 07:13:59,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:13:59,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:13:59,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:13:59,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:13:59,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:13:59,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:13:59,785 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 3 states. [2018-11-23 07:13:59,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:13:59,802 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2018-11-23 07:13:59,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:13:59,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 07:13:59,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:13:59,804 INFO L225 Difference]: With dead ends: 175 [2018-11-23 07:13:59,804 INFO L226 Difference]: Without dead ends: 106 [2018-11-23 07:13:59,805 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 07:13:59,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-23 07:13:59,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-23 07:13:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 07:13:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-11-23 07:13:59,815 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2018-11-23 07:13:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:13:59,816 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-11-23 07:13:59,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:13:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-11-23 07:13:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:13:59,816 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:13:59,817 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 07:13:59,817 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:13:59,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:13:59,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1096416056, now seen corresponding path program 1 times [2018-11-23 07:13:59,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:13:59,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:59,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:13:59,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:13:59,818 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:13:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:13:59,938 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 07:13:59,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:13:59,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:13:59,938 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:13:59,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:13:59,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:13:59,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:13:59,939 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2018-11-23 07:14:00,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:14:00,198 INFO L93 Difference]: Finished difference Result 188 states and 221 transitions. [2018-11-23 07:14:00,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:14:00,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-23 07:14:00,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:14:00,200 INFO L225 Difference]: With dead ends: 188 [2018-11-23 07:14:00,200 INFO L226 Difference]: Without dead ends: 106 [2018-11-23 07:14:00,201 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 07:14:00,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-23 07:14:00,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-23 07:14:00,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 07:14:00,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2018-11-23 07:14:00,210 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2018-11-23 07:14:00,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:14:00,210 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2018-11-23 07:14:00,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:14:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2018-11-23 07:14:00,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 07:14:00,212 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:14:00,212 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:14:00,212 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:14:00,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:00,213 INFO L82 PathProgramCache]: Analyzing trace with hash -159135679, now seen corresponding path program 1 times [2018-11-23 07:14:00,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:14:00,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:00,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:00,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:00,214 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:14:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:14:00,289 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 07:14:00,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:14:00,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:14:00,289 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:14:00,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:14:00,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:14:00,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:14:00,290 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 5 states. [2018-11-23 07:14:00,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:14:00,792 INFO L93 Difference]: Finished difference Result 288 states and 345 transitions. [2018-11-23 07:14:00,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:14:00,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-23 07:14:00,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:14:00,794 INFO L225 Difference]: With dead ends: 288 [2018-11-23 07:14:00,794 INFO L226 Difference]: Without dead ends: 206 [2018-11-23 07:14:00,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:14:00,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-11-23 07:14:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 187. [2018-11-23 07:14:00,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-11-23 07:14:00,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2018-11-23 07:14:00,817 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 66 [2018-11-23 07:14:00,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:14:00,817 INFO L480 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2018-11-23 07:14:00,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:14:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2018-11-23 07:14:00,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 07:14:00,819 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:14:00,819 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] [2018-11-23 07:14:00,823 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:14:00,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:00,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2112280819, now seen corresponding path program 1 times [2018-11-23 07:14:00,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:14:00,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:00,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:00,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:00,824 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:14:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:14:00,920 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 07:14:00,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:14:00,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:14:00,921 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:14:00,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:14:00,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:14:00,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:14:00,922 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 6 states. [2018-11-23 07:14:01,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:14:01,137 INFO L93 Difference]: Finished difference Result 463 states and 558 transitions. [2018-11-23 07:14:01,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:14:01,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-11-23 07:14:01,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:14:01,146 INFO L225 Difference]: With dead ends: 463 [2018-11-23 07:14:01,146 INFO L226 Difference]: Without dead ends: 300 [2018-11-23 07:14:01,148 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 07:14:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-11-23 07:14:01,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 296. [2018-11-23 07:14:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-11-23 07:14:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 344 transitions. [2018-11-23 07:14:01,172 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 344 transitions. Word has length 80 [2018-11-23 07:14:01,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:14:01,172 INFO L480 AbstractCegarLoop]: Abstraction has 296 states and 344 transitions. [2018-11-23 07:14:01,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:14:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 344 transitions. [2018-11-23 07:14:01,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 07:14:01,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:14:01,174 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:14:01,174 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:14:01,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:01,174 INFO L82 PathProgramCache]: Analyzing trace with hash -51598483, now seen corresponding path program 1 times [2018-11-23 07:14:01,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:14:01,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:01,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:01,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:01,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:14:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:14:01,259 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 07:14:01,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:14:01,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:14:01,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:14:01,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:14:01,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:14:01,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:14:01,261 INFO L87 Difference]: Start difference. First operand 296 states and 344 transitions. Second operand 6 states. [2018-11-23 07:14:01,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:14:01,375 INFO L93 Difference]: Finished difference Result 617 states and 744 transitions. [2018-11-23 07:14:01,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:14:01,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 07:14:01,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:14:01,379 INFO L225 Difference]: With dead ends: 617 [2018-11-23 07:14:01,380 INFO L226 Difference]: Without dead ends: 454 [2018-11-23 07:14:01,381 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 07:14:01,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2018-11-23 07:14:01,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 436. [2018-11-23 07:14:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2018-11-23 07:14:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 517 transitions. [2018-11-23 07:14:01,406 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 517 transitions. Word has length 84 [2018-11-23 07:14:01,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:14:01,407 INFO L480 AbstractCegarLoop]: Abstraction has 436 states and 517 transitions. [2018-11-23 07:14:01,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:14:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 517 transitions. [2018-11-23 07:14:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 07:14:01,408 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:14:01,408 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:14:01,408 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:14:01,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:01,409 INFO L82 PathProgramCache]: Analyzing trace with hash 278167278, now seen corresponding path program 1 times [2018-11-23 07:14:01,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:14:01,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:01,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:01,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:01,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:14:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:14:01,462 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 07:14:01,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:14:01,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:14:01,463 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:14:01,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:14:01,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:14:01,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:14:01,463 INFO L87 Difference]: Start difference. First operand 436 states and 517 transitions. Second operand 5 states. [2018-11-23 07:14:01,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:14:01,488 INFO L93 Difference]: Finished difference Result 749 states and 906 transitions. [2018-11-23 07:14:01,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 07:14:01,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-23 07:14:01,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:14:01,491 INFO L225 Difference]: With dead ends: 749 [2018-11-23 07:14:01,491 INFO L226 Difference]: Without dead ends: 446 [2018-11-23 07:14:01,492 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 07:14:01,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-11-23 07:14:01,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 440. [2018-11-23 07:14:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-11-23 07:14:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 520 transitions. [2018-11-23 07:14:01,513 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 520 transitions. Word has length 84 [2018-11-23 07:14:01,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:14:01,513 INFO L480 AbstractCegarLoop]: Abstraction has 440 states and 520 transitions. [2018-11-23 07:14:01,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:14:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 520 transitions. [2018-11-23 07:14:01,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 07:14:01,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:14:01,515 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:14:01,515 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:14:01,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:01,515 INFO L82 PathProgramCache]: Analyzing trace with hash 205780720, now seen corresponding path program 1 times [2018-11-23 07:14:01,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:14:01,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:01,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:01,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:01,516 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:14:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:14:01,590 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 07:14:01,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:14:01,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 07:14:01,590 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:14:01,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:14:01,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:14:01,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:14:01,591 INFO L87 Difference]: Start difference. First operand 440 states and 520 transitions. Second operand 9 states. [2018-11-23 07:14:01,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:14:01,628 INFO L93 Difference]: Finished difference Result 837 states and 1008 transitions. [2018-11-23 07:14:01,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 07:14:01,629 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2018-11-23 07:14:01,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:14:01,630 INFO L225 Difference]: With dead ends: 837 [2018-11-23 07:14:01,630 INFO L226 Difference]: Without dead ends: 421 [2018-11-23 07:14:01,631 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 07:14:01,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-11-23 07:14:01,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2018-11-23 07:14:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-11-23 07:14:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 488 transitions. [2018-11-23 07:14:01,647 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 488 transitions. Word has length 84 [2018-11-23 07:14:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:14:01,647 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 488 transitions. [2018-11-23 07:14:01,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:14:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 488 transitions. [2018-11-23 07:14:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 07:14:01,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:14:01,649 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 07:14:01,649 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:14:01,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:01,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1607890024, now seen corresponding path program 1 times [2018-11-23 07:14:01,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:14:01,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:01,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:01,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:01,650 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:14:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:14:01,727 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 07:14:01,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:14:01,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 07:14:01,727 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:14:01,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:14:01,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:14:01,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:14:01,728 INFO L87 Difference]: Start difference. First operand 415 states and 488 transitions. Second operand 10 states. [2018-11-23 07:14:01,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:14:01,907 INFO L93 Difference]: Finished difference Result 807 states and 954 transitions. [2018-11-23 07:14:01,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 07:14:01,908 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-11-23 07:14:01,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:14:01,908 INFO L225 Difference]: With dead ends: 807 [2018-11-23 07:14:01,908 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:14:01,910 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 07:14:01,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:14:01,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:14:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:14:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:14:01,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2018-11-23 07:14:01,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:14:01,911 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:14:01,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:14:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:14:01,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:14:01,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:14:02,687 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-11-23 07:14:03,288 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2018-11-23 07:14:03,288 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L444 ceAbstractionStarter]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,289 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,289 INFO L444 ceAbstractionStarter]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 205) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L444 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,289 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2018-11-23 07:14:03,289 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2018-11-23 07:14:03,289 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2018-11-23 07:14:03,290 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2018-11-23 07:14:03,290 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 07:14:03,290 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (not (= ~waterLevel~0 2)) .cse1) (and .cse1 (= processEnvironment_~tmp~2 1)))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2018-11-23 07:14:03,290 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2018-11-23 07:14:03,290 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-11-23 07:14:03,291 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-11-23 07:14:03,291 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2018-11-23 07:14:03,291 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2018-11-23 07:14:03,291 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,291 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-11-23 07:14:03,291 INFO L444 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 07:14:03,291 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-23 07:14:03,291 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 07:14:03,291 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-23 07:14:03,291 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1))) [2018-11-23 07:14:03,292 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0 .cse1))) [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:14:03,292 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:14:03,293 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 365) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L451 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: true [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2018-11-23 07:14:03,293 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 131) no Hoare annotation was computed. [2018-11-23 07:14:03,294 INFO L451 ceAbstractionStarter]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2018-11-23 07:14:03,294 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2018-11-23 07:14:03,294 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 07:14:03,294 INFO L451 ceAbstractionStarter]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2018-11-23 07:14:03,294 INFO L451 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: true [2018-11-23 07:14:03,294 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-23 07:14:03,294 INFO L451 ceAbstractionStarter]: At program point L138(lines 113 142) the Hoare annotation is: true [2018-11-23 07:14:03,294 INFO L448 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2018-11-23 07:14:03,294 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse5 .cse2 .cse3 .cse6) (or .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse2 .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse4 .cse3 .cse1))) [2018-11-23 07:14:03,294 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)) (or (= |old(~waterLevel~0)| 2) .cse0 .cse1 (not (= ~waterLevel~0 2))))) [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2018-11-23 07:14:03,295 INFO L444 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= 0 ~pumpRunning~0))) (or (= |old(~waterLevel~0)| 2) .cse0 .cse3 .cse2) (or .cse0 (= 1 ~waterLevel~0) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1))) [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2018-11-23 07:14:03,295 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (= ~pumpRunning~0 1)) (or .cse1 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point L767(lines 767 773) no Hoare annotation was computed. [2018-11-23 07:14:03,295 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 776) no Hoare annotation was computed. [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2018-11-23 07:14:03,295 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2018-11-23 07:14:03,295 INFO L451 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2018-11-23 07:14:03,295 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-23 07:14:03,296 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 777) no Hoare annotation was computed. [2018-11-23 07:14:03,296 INFO L451 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2018-11-23 07:14:03,296 INFO L448 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2018-11-23 07:14:03,296 INFO L444 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-23 07:14:03,296 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 07:14:03,296 INFO L448 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2018-11-23 07:14:03,296 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2018-11-23 07:14:03,296 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2018-11-23 07:14:03,296 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2018-11-23 07:14:03,296 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:14:03,296 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-23 07:14:03,296 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:14:03,297 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:14:03,297 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2018-11-23 07:14:03,297 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse1 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse0))) [2018-11-23 07:14:03,297 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2018-11-23 07:14:03,297 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2018-11-23 07:14:03,297 INFO L448 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2018-11-23 07:14:03,297 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse5 (not (= ~waterLevel~0 2))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse1 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2))) [2018-11-23 07:14:03,297 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2018-11-23 07:14:03,297 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2018-11-23 07:14:03,297 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2018-11-23 07:14:03,297 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2018-11-23 07:14:03,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:14:03 BoogieIcfgContainer [2018-11-23 07:14:03,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:14:03,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:14:03,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:14:03,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:14:03,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:13:59" (3/4) ... [2018-11-23 07:14:03,312 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:14:03,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:14:03,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:14:03,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 07:14:03,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:14:03,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:14:03,325 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-23 07:14:03,325 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:14:03,325 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:14:03,326 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:14:03,326 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:14:03,326 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:14:03,326 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:14:03,348 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || (((!(waterLevel == 2) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) [2018-11-23 07:14:03,348 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 07:14:03,379 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a0f5e412-ed51-483b-8a79-21bdc5efab0f/bin-2019/utaipan/witness.graphml [2018-11-23 07:14:03,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:14:03,380 INFO L168 Benchmark]: Toolchain (without parser) took 4969.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 956.6 MB in the beginning and 882.2 MB in the end (delta: 74.3 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:03,381 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:14:03,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.81 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: -156.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:03,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:03,382 INFO L168 Benchmark]: Boogie Preprocessor took 38.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:03,382 INFO L168 Benchmark]: RCFGBuilder took 464.51 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:03,382 INFO L168 Benchmark]: TraceAbstraction took 3955.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 892.3 MB in the end (delta: 167.9 MB). Peak memory consumption was 231.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:03,382 INFO L168 Benchmark]: Witness Printer took 70.77 ms. Allocated memory is still 1.2 GB. Free memory was 892.3 MB in the beginning and 882.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:03,384 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.81 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: -156.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 464.51 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3955.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 892.3 MB in the end (delta: 167.9 MB). Peak memory consumption was 231.1 MB. Max. memory is 11.5 GB. * Witness Printer took 70.77 ms. Allocated memory is still 1.2 GB. Free memory was 892.3 MB in the beginning and 882.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: 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: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((!(waterLevel == 2) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 128 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1202 SDtfs, 549 SDslu, 3724 SDs, 0 SdLazy, 632 SolverSat, 129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=440occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 53 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 788 PreInvPairs, 844 NumberOfFragments, 955 HoareAnnotationTreeSize, 788 FomulaSimplifications, 624 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 3130 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 646 NumberOfCodeBlocks, 646 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 73440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...