./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36_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_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/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 69211a6a9810795915a638c419bc12fc6aa00ac5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:37:25,989 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:37:25,990 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:37:25,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:37:25,998 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:37:25,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:37:25,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:37:26,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:37:26,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:37:26,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:37:26,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:37:26,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:37:26,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:37:26,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:37:26,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:37:26,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:37:26,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:37:26,008 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:37:26,009 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:37:26,010 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:37:26,011 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:37:26,011 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:37:26,013 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:37:26,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:37:26,014 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:37:26,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:37:26,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:37:26,015 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:37:26,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:37:26,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:37:26,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:37:26,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:37:26,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:37:26,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:37:26,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:37:26,019 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:37:26,019 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:37:26,029 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:37:26,029 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:37:26,030 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:37:26,030 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:37:26,030 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:37:26,031 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:37:26,031 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:37:26,031 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:37:26,031 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:37:26,031 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:37:26,031 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:37:26,031 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:37:26,032 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:37:26,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:37:26,032 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:37:26,032 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:37:26,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:37:26,033 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:37:26,033 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:37:26,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:37:26,033 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:37:26,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:37:26,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:37:26,034 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:37:26,034 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:37:26,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:37:26,034 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:37:26,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:37:26,034 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:37:26,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:37:26,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:37:26,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:37:26,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:37:26,035 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:37:26,035 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:37:26,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:37:26,035 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:37:26,035 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_da2a96b3-467a-4ec8-83d5-64b173cce521/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 -> 69211a6a9810795915a638c419bc12fc6aa00ac5 [2018-11-23 13:37:26,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:37:26,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:37:26,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:37:26,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:37:26,075 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:37:26,075 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-23 13:37:26,127 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/data/47ce3881b/ee9754ca499440788e8a2e826b203555/FLAG4db28c0e0 [2018-11-23 13:37:26,498 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:37:26,498 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-23 13:37:26,507 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/data/47ce3881b/ee9754ca499440788e8a2e826b203555/FLAG4db28c0e0 [2018-11-23 13:37:26,890 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/data/47ce3881b/ee9754ca499440788e8a2e826b203555 [2018-11-23 13:37:26,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:37:26,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:37:26,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:37:26,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:37:26,897 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:37:26,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:26" (1/1) ... [2018-11-23 13:37:26,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c4abc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:26, skipping insertion in model container [2018-11-23 13:37:26,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:26" (1/1) ... [2018-11-23 13:37:26,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:37:26,948 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:37:27,182 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:37:27,193 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:37:27,321 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:37:27,345 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:37:27,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27 WrapperNode [2018-11-23 13:37:27,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:37:27,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:37:27,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:37:27,347 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:37:27,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:37:27,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:37:27,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:37:27,384 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:37:27,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... [2018-11-23 13:37:27,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:37:27,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:37:27,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:37:27,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:37:27,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/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 13:37:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:37:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:37:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:37:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:37:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 13:37:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 13:37:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:37:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:37:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:37:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:37:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:37:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:37:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:37:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:37:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:37:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:37:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:37:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:37:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:37:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 13:37:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 13:37:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:37:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:37:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:37:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:37:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:37:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:37:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:37:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:37:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 13:37:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 13:37:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:37:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:37:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:37:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:37:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:37:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:37:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 13:37:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 13:37:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 13:37:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 13:37:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 13:37:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 13:37:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:37:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:37:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:37:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:37:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:37:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:37:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:37:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:37:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:37:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:37:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:37:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:37:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:37:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:37:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:37:27,908 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:37:27,908 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:37:27,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:27 BoogieIcfgContainer [2018-11-23 13:37:27,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:37:27,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:37:27,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:37:27,913 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:37:27,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:37:26" (1/3) ... [2018-11-23 13:37:27,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e838bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:37:27, skipping insertion in model container [2018-11-23 13:37:27,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:27" (2/3) ... [2018-11-23 13:37:27,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e838bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:37:27, skipping insertion in model container [2018-11-23 13:37:27,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:27" (3/3) ... [2018-11-23 13:37:27,917 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-23 13:37:27,925 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:37:27,931 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:37:27,942 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:37:27,968 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:37:27,968 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:37:27,968 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:37:27,969 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:37:27,969 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:37:27,969 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:37:27,969 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:37:27,969 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:37:27,986 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-23 13:37:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 13:37:27,994 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:27,995 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:27,997 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:28,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:28,001 INFO L82 PathProgramCache]: Analyzing trace with hash 2005448145, now seen corresponding path program 1 times [2018-11-23 13:37:28,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:28,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:28,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:28,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:28,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:37:28,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:28,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:37:28,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:28,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:37:28,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:37:28,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:37:28,232 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-23 13:37:28,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:28,261 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-11-23 13:37:28,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:37:28,262 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 13:37:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:28,274 INFO L225 Difference]: With dead ends: 252 [2018-11-23 13:37:28,274 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 13:37:28,278 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 13:37:28,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 13:37:28,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 13:37:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 13:37:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-11-23 13:37:28,319 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 59 [2018-11-23 13:37:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:28,320 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-11-23 13:37:28,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:37:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-11-23 13:37:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 13:37:28,323 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:28,323 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:28,324 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:28,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1713317249, now seen corresponding path program 1 times [2018-11-23 13:37:28,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:28,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:28,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:28,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:28,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:37:28,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:28,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:37:28,424 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:28,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:37:28,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:37:28,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:37:28,426 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2018-11-23 13:37:28,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:28,444 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2018-11-23 13:37:28,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:37:28,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 13:37:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:28,446 INFO L225 Difference]: With dead ends: 188 [2018-11-23 13:37:28,446 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 13:37:28,447 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 13:37:28,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 13:37:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 13:37:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 13:37:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2018-11-23 13:37:28,459 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 60 [2018-11-23 13:37:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:28,460 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2018-11-23 13:37:28,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:37:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2018-11-23 13:37:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 13:37:28,461 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:28,461 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:28,462 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:28,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:28,462 INFO L82 PathProgramCache]: Analyzing trace with hash 377922771, now seen corresponding path program 1 times [2018-11-23 13:37:28,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:28,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:28,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:28,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:28,463 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:37:28,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:28,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:37:28,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:28,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:37:28,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:37:28,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:37:28,587 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 7 states. [2018-11-23 13:37:28,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:28,890 INFO L93 Difference]: Finished difference Result 357 states and 431 transitions. [2018-11-23 13:37:28,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:37:28,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 13:37:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:28,893 INFO L225 Difference]: With dead ends: 357 [2018-11-23 13:37:28,893 INFO L226 Difference]: Without dead ends: 266 [2018-11-23 13:37:28,894 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 13:37:28,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-23 13:37:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 242. [2018-11-23 13:37:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-11-23 13:37:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 290 transitions. [2018-11-23 13:37:28,926 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 290 transitions. Word has length 65 [2018-11-23 13:37:28,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:28,926 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 290 transitions. [2018-11-23 13:37:28,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:37:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 290 transitions. [2018-11-23 13:37:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 13:37:28,929 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:28,929 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:28,929 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:28,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:28,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1701726359, now seen corresponding path program 1 times [2018-11-23 13:37:28,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:28,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:28,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:28,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:28,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:29,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:37:29,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:29,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:37:29,039 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:29,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:37:29,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:37:29,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:37:29,040 INFO L87 Difference]: Start difference. First operand 242 states and 290 transitions. Second operand 7 states. [2018-11-23 13:37:29,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:29,510 INFO L93 Difference]: Finished difference Result 618 states and 791 transitions. [2018-11-23 13:37:29,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 13:37:29,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 13:37:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:29,519 INFO L225 Difference]: With dead ends: 618 [2018-11-23 13:37:29,519 INFO L226 Difference]: Without dead ends: 404 [2018-11-23 13:37:29,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:37:29,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-23 13:37:29,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 356. [2018-11-23 13:37:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-23 13:37:29,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 426 transitions. [2018-11-23 13:37:29,555 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 426 transitions. Word has length 70 [2018-11-23 13:37:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:29,556 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 426 transitions. [2018-11-23 13:37:29,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:37:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 426 transitions. [2018-11-23 13:37:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:37:29,558 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:29,558 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:29,558 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:29,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:29,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1235149811, now seen corresponding path program 1 times [2018-11-23 13:37:29,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:29,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:29,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:29,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:29,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:37:29,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:29,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:37:29,638 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:29,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:37:29,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:37:29,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:37:29,639 INFO L87 Difference]: Start difference. First operand 356 states and 426 transitions. Second operand 6 states. [2018-11-23 13:37:29,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:29,682 INFO L93 Difference]: Finished difference Result 694 states and 845 transitions. [2018-11-23 13:37:29,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:37:29,684 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 13:37:29,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:29,686 INFO L225 Difference]: With dead ends: 694 [2018-11-23 13:37:29,686 INFO L226 Difference]: Without dead ends: 366 [2018-11-23 13:37:29,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:37:29,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-23 13:37:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-11-23 13:37:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-11-23 13:37:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 436 transitions. [2018-11-23 13:37:29,711 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 436 transitions. Word has length 88 [2018-11-23 13:37:29,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:29,712 INFO L480 AbstractCegarLoop]: Abstraction has 366 states and 436 transitions. [2018-11-23 13:37:29,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:37:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 436 transitions. [2018-11-23 13:37:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:37:29,713 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:29,713 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:29,713 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:29,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:29,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1673614091, now seen corresponding path program 1 times [2018-11-23 13:37:29,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:29,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:29,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:29,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:29,715 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:37:29,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:29,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 13:37:29,842 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:29,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:37:29,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:37:29,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:37:29,843 INFO L87 Difference]: Start difference. First operand 366 states and 436 transitions. Second operand 8 states. [2018-11-23 13:37:29,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:29,879 INFO L93 Difference]: Finished difference Result 718 states and 880 transitions. [2018-11-23 13:37:29,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:37:29,879 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-23 13:37:29,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:29,881 INFO L225 Difference]: With dead ends: 718 [2018-11-23 13:37:29,881 INFO L226 Difference]: Without dead ends: 380 [2018-11-23 13:37:29,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:37:29,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-23 13:37:29,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2018-11-23 13:37:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-11-23 13:37:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 444 transitions. [2018-11-23 13:37:29,906 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 444 transitions. Word has length 88 [2018-11-23 13:37:29,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:29,906 INFO L480 AbstractCegarLoop]: Abstraction has 374 states and 444 transitions. [2018-11-23 13:37:29,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:37:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 444 transitions. [2018-11-23 13:37:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:37:29,908 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:29,908 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:29,908 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:29,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:29,909 INFO L82 PathProgramCache]: Analyzing trace with hash 437676278, now seen corresponding path program 1 times [2018-11-23 13:37:29,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:29,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:29,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:29,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:29,910 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:37:29,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:29,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:37:29,983 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:29,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:37:29,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:37:29,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:37:29,984 INFO L87 Difference]: Start difference. First operand 374 states and 444 transitions. Second operand 4 states. [2018-11-23 13:37:30,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:30,185 INFO L93 Difference]: Finished difference Result 1206 states and 1499 transitions. [2018-11-23 13:37:30,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:37:30,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-23 13:37:30,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:30,190 INFO L225 Difference]: With dead ends: 1206 [2018-11-23 13:37:30,190 INFO L226 Difference]: Without dead ends: 860 [2018-11-23 13:37:30,191 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:37:30,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2018-11-23 13:37:30,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 843. [2018-11-23 13:37:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2018-11-23 13:37:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1022 transitions. [2018-11-23 13:37:30,244 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1022 transitions. Word has length 88 [2018-11-23 13:37:30,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:30,244 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 1022 transitions. [2018-11-23 13:37:30,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:37:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1022 transitions. [2018-11-23 13:37:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 13:37:30,246 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:30,247 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:30,247 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:30,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:30,247 INFO L82 PathProgramCache]: Analyzing trace with hash 14404720, now seen corresponding path program 1 times [2018-11-23 13:37:30,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:30,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:30,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:30,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:30,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:37:30,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:30,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 13:37:30,393 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:30,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:37:30,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:37:30,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:37:30,395 INFO L87 Difference]: Start difference. First operand 843 states and 1022 transitions. Second operand 9 states. [2018-11-23 13:37:30,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:30,975 INFO L93 Difference]: Finished difference Result 2326 states and 2951 transitions. [2018-11-23 13:37:30,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 13:37:30,975 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2018-11-23 13:37:30,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:30,980 INFO L225 Difference]: With dead ends: 2326 [2018-11-23 13:37:30,981 INFO L226 Difference]: Without dead ends: 1687 [2018-11-23 13:37:30,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:37:30,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2018-11-23 13:37:31,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1484. [2018-11-23 13:37:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2018-11-23 13:37:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1780 transitions. [2018-11-23 13:37:31,041 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1780 transitions. Word has length 92 [2018-11-23 13:37:31,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:31,041 INFO L480 AbstractCegarLoop]: Abstraction has 1484 states and 1780 transitions. [2018-11-23 13:37:31,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:37:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1780 transitions. [2018-11-23 13:37:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 13:37:31,044 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:31,044 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:31,044 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:31,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:31,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1631321016, now seen corresponding path program 1 times [2018-11-23 13:37:31,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:31,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:31,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:31,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:31,045 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 13:37:31,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:37:31,151 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:37:31,151 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-23 13:37:31,153 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [65], [69], [70], [71], [74], [76], [79], [86], [89], [90], [91], [100], [104], [108], [111], [114], [116], [122], [124], [130], [136], [144], [145], [146], [147], [148], [149], [150], [152], [157], [159], [160], [197], [200], [204], [210], [213], [217], [218], [226], [230], [231], [234], [235], [236], [237], [238], [239], [240], [242], [243], [244], [245], [246], [247], [248], [249], [250], [254], [255], [256], [258], [259], [260], [261], [264], [265], [266], [267], [274], [275], [278], [279], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294] [2018-11-23 13:37:31,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:37:31,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:37:32,581 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:37:32,582 INFO L272 AbstractInterpreter]: Visited 105 different actions 426 times. Merged at 16 different actions 46 times. Never widened. Performed 15411 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15411 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-23 13:37:32,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:32,607 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:37:32,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:37:32,607 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:37:32,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:32,622 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:37:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:32,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:37:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:37:32,876 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:37:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 13:37:33,110 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:37:33,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 13:37:33,110 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:37:33,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 13:37:33,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 13:37:33,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:37:33,111 INFO L87 Difference]: Start difference. First operand 1484 states and 1780 transitions. Second operand 16 states. [2018-11-23 13:37:33,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:33,833 INFO L93 Difference]: Finished difference Result 3173 states and 3956 transitions. [2018-11-23 13:37:33,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 13:37:33,834 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-11-23 13:37:33,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:33,840 INFO L225 Difference]: With dead ends: 3173 [2018-11-23 13:37:33,840 INFO L226 Difference]: Without dead ends: 1887 [2018-11-23 13:37:33,844 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 264 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 13:37:33,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2018-11-23 13:37:33,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1469. [2018-11-23 13:37:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2018-11-23 13:37:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1716 transitions. [2018-11-23 13:37:33,973 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1716 transitions. Word has length 136 [2018-11-23 13:37:33,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:33,974 INFO L480 AbstractCegarLoop]: Abstraction has 1469 states and 1716 transitions. [2018-11-23 13:37:33,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 13:37:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1716 transitions. [2018-11-23 13:37:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 13:37:33,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:33,979 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:33,980 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:33,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:33,981 INFO L82 PathProgramCache]: Analyzing trace with hash -536901051, now seen corresponding path program 1 times [2018-11-23 13:37:33,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:33,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:33,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:33,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:33,982 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-11-23 13:37:34,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:34,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:37:34,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:37:34,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:37:34,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:37:34,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:37:34,074 INFO L87 Difference]: Start difference. First operand 1469 states and 1716 transitions. Second operand 3 states. [2018-11-23 13:37:34,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:34,160 INFO L93 Difference]: Finished difference Result 2328 states and 2724 transitions. [2018-11-23 13:37:34,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:37:34,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2018-11-23 13:37:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:34,165 INFO L225 Difference]: With dead ends: 2328 [2018-11-23 13:37:34,165 INFO L226 Difference]: Without dead ends: 921 [2018-11-23 13:37:34,168 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 13:37:34,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2018-11-23 13:37:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 901. [2018-11-23 13:37:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2018-11-23 13:37:34,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1036 transitions. [2018-11-23 13:37:34,225 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1036 transitions. Word has length 244 [2018-11-23 13:37:34,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:34,226 INFO L480 AbstractCegarLoop]: Abstraction has 901 states and 1036 transitions. [2018-11-23 13:37:34,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:37:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1036 transitions. [2018-11-23 13:37:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-23 13:37:34,230 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:34,230 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:34,230 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:34,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:34,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1826128213, now seen corresponding path program 1 times [2018-11-23 13:37:34,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:37:34,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:34,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:34,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:37:34,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:37:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-23 13:37:34,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:37:34,388 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:37:34,388 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-11-23 13:37:34,389 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [50], [55], [56], [57], [58], [59], [63], [64], [65], [69], [70], [71], [74], [76], [79], [86], [89], [90], [91], [100], [104], [108], [111], [114], [116], [122], [124], [127], [130], [133], [136], [144], [145], [146], [147], [148], [149], [150], [152], [157], [159], [160], [197], [200], [204], [207], [210], [213], [217], [218], [222], [223], [226], [230], [231], [234], [235], [236], [237], [238], [239], [240], [242], [243], [244], [245], [246], [247], [248], [249], [250], [252], [253], [254], [255], [256], [258], [259], [260], [261], [264], [265], [266], [267], [270], [271], [272], [273], [274], [275], [278], [279], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294] [2018-11-23 13:37:34,392 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:37:34,392 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:37:36,873 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:37:36,874 INFO L272 AbstractInterpreter]: Visited 121 different actions 1131 times. Merged at 24 different actions 111 times. Never widened. Performed 42838 root evaluator evaluations with a maximum evaluation depth of 3. Performed 42838 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 35 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-23 13:37:36,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:36,875 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:37:36,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:37:36,875 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:37:36,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:36,883 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:37:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:37,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:37:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 244 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-23 13:37:37,267 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:37:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-11-23 13:37:37,838 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:37:37,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-11-23 13:37:37,839 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:37:37,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 13:37:37,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 13:37:37,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2018-11-23 13:37:37,840 INFO L87 Difference]: Start difference. First operand 901 states and 1036 transitions. Second operand 19 states. [2018-11-23 13:37:39,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:39,188 INFO L93 Difference]: Finished difference Result 2292 states and 2938 transitions. [2018-11-23 13:37:39,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 13:37:39,188 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 279 [2018-11-23 13:37:39,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:39,189 INFO L225 Difference]: With dead ends: 2292 [2018-11-23 13:37:39,189 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:37:39,193 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 545 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=420, Invalid=1650, Unknown=0, NotChecked=0, Total=2070 [2018-11-23 13:37:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:37:39,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:37:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:37:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:37:39,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2018-11-23 13:37:39,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:39,195 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:37:39,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 13:37:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:37:39,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:37:39,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:37:39,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:39,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:37:40,012 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-11-23 13:37:40,399 WARN L180 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-11-23 13:37:40,599 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-11-23 13:37:40,840 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2018-11-23 13:37:41,414 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 53 [2018-11-23 13:37:41,909 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2018-11-23 13:37:42,073 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-11-23 13:37:42,554 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-11-23 13:37:42,763 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-11-23 13:37:42,884 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2018-11-23 13:37:43,288 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-11-23 13:37:43,441 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 13:37:43,441 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 13:37:43,441 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 13:37:43,442 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 13:37:43,442 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 13:37:43,442 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 816 823) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 13:37:43,442 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2018-11-23 13:37:43,442 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2018-11-23 13:37:43,442 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 824 833) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse4 .cse5 (or .cse0 .cse2) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1))))) [2018-11-23 13:37:43,442 INFO L448 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-11-23 13:37:43,442 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2018-11-23 13:37:43,442 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2018-11-23 13:37:43,442 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse5 (or .cse6 .cse4)) (or .cse5 .cse4 (or .cse6 .cse2)) (or .cse3 (or .cse6 .cse1 .cse4)) (or .cse6 .cse1 .cse4 .cse2))) [2018-11-23 13:37:43,443 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2018-11-23 13:37:43,443 INFO L448 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2018-11-23 13:37:43,443 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 856) no Hoare annotation was computed. [2018-11-23 13:37:43,443 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0)) (.cse3 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4 .cse5) (or .cse3 .cse6 (or .cse7 .cse4) .cse5) (or .cse6 .cse4 (or .cse7 .cse2)) (or .cse5 .cse3 (or .cse7 .cse1 .cse4)) (or .cse7 .cse1 .cse4 .cse2))) [2018-11-23 13:37:43,443 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2018-11-23 13:37:43,443 INFO L448 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-11-23 13:37:43,443 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 859) no Hoare annotation was computed. [2018-11-23 13:37:43,443 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2018-11-23 13:37:43,443 INFO L451 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2018-11-23 13:37:43,443 INFO L448 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-11-23 13:37:43,443 INFO L444 ceAbstractionStarter]: At program point L802-1(line 802) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,444 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 807) no Hoare annotation was computed. [2018-11-23 13:37:43,444 INFO L448 ceAbstractionStarter]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2018-11-23 13:37:43,444 INFO L448 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2018-11-23 13:37:43,444 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 790 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,444 INFO L444 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,444 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,444 INFO L444 ceAbstractionStarter]: At program point L796-1(line 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,444 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2018-11-23 13:37:43,444 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2018-11-23 13:37:43,444 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,444 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2018-11-23 13:37:43,445 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 254 268) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (not (= ~waterLevel~0 2)))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-23 13:37:43,445 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2018-11-23 13:37:43,445 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 13:37:43,445 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2018-11-23 13:37:43,445 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2018-11-23 13:37:43,445 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2018-11-23 13:37:43,445 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2018-11-23 13:37:43,445 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 13:37:43,445 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 13:37:43,445 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,445 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 779 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,445 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2018-11-23 13:37:43,446 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2018-11-23 13:37:43,446 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) [2018-11-23 13:37:43,446 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2018-11-23 13:37:43,446 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2018-11-23 13:37:43,446 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2018-11-23 13:37:43,446 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-23 13:37:43,446 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2018-11-23 13:37:43,446 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2018-11-23 13:37:43,446 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse3 (or .cse1 .cse2 .cse0)) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-23 13:37:43,446 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2018-11-23 13:37:43,446 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (let ((.cse2 (< 1 ~waterLevel~0)) (.cse1 (and (= processEnvironment_~tmp~0 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse4))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse2 .cse1 .cse0)))) [2018-11-23 13:37:43,446 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2018-11-23 13:37:43,447 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= 2 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 13:37:43,447 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 138 162) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (or .cse4 .cse1 .cse2) .cse3) (or .cse3 .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-23 13:37:43,447 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 154) no Hoare annotation was computed. [2018-11-23 13:37:43,447 INFO L444 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 (or .cse3 .cse1 .cse2) .cse4) (or .cse4 .cse2 (or .cse3 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-23 13:37:43,447 INFO L448 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-11-23 13:37:43,447 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 159) no Hoare annotation was computed. [2018-11-23 13:37:43,447 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2018-11-23 13:37:43,447 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2018-11-23 13:37:43,447 INFO L444 ceAbstractionStarter]: At program point L704(lines 657 706) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse7 .cse2 .cse3 .cse6) (and .cse5 .cse4 .cse7 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 13:37:43,447 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 647 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,448 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and .cse9 .cse5)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (and .cse9 .cse4 .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse3 .cse4 .cse5 .cse2) (and .cse0 .cse6 .cse2) (and .cse7 .cse1 .cse8 .cse2) (and .cse7 .cse6 .cse8 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0))))) [2018-11-23 13:37:43,448 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2018-11-23 13:37:43,448 INFO L448 ceAbstractionStarter]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2018-11-23 13:37:43,448 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2018-11-23 13:37:43,448 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2018-11-23 13:37:43,448 INFO L444 ceAbstractionStarter]: At program point L707(lines 656 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 13:37:43,448 INFO L444 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse1) (and (<= ~waterLevel~0 1) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 13:37:43,448 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2018-11-23 13:37:43,448 INFO L444 ceAbstractionStarter]: At program point L695-1(lines 687 702) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse4 .cse1 .cse2) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and (and .cse5 .cse2) (= ~systemActive~0 0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and .cse5 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 13:37:43,448 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 706) no Hoare annotation was computed. [2018-11-23 13:37:43,449 INFO L444 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse2 .cse4)) (and (<= ~waterLevel~0 2) .cse3 .cse2 .cse4))) [2018-11-23 13:37:43,449 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 702) no Hoare annotation was computed. [2018-11-23 13:37:43,449 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse3 .cse1 .cse2 .cse4) (and (= ~systemActive~0 0) .cse0 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse6 .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 13:37:43,449 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2018-11-23 13:37:43,449 INFO L448 ceAbstractionStarter]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2018-11-23 13:37:43,449 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2018-11-23 13:37:43,449 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:37:43,449 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 13:37:43,449 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:37:43,449 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2018-11-23 13:37:43,449 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 163 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 13:37:43,450 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point L242-1(line 242) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 248) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L451 ceAbstractionStarter]: At program point L242(line 242) the Hoare annotation is: true [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2018-11-23 13:37:43,450 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: true [2018-11-23 13:37:43,450 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2018-11-23 13:37:43,451 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2018-11-23 13:37:43,451 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2018-11-23 13:37:43,451 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2018-11-23 13:37:43,451 INFO L451 ceAbstractionStarter]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2018-11-23 13:37:43,451 INFO L448 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2018-11-23 13:37:43,451 INFO L451 ceAbstractionStarter]: At program point L727-2(lines 727 741) the Hoare annotation is: true [2018-11-23 13:37:43,451 INFO L451 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: true [2018-11-23 13:37:43,451 INFO L448 ceAbstractionStarter]: For program point L723-1(line 723) no Hoare annotation was computed. [2018-11-23 13:37:43,451 INFO L451 ceAbstractionStarter]: At program point L742(lines 717 746) the Hoare annotation is: true [2018-11-23 13:37:43,451 INFO L448 ceAbstractionStarter]: For program point L738(line 738) no Hoare annotation was computed. [2018-11-23 13:37:43,451 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse2 .cse5)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 0 ~pumpRunning~0) .cse3 .cse5)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse8 .cse10) (or .cse1 (or .cse0 .cse8 .cse9) .cse11) (or (or .cse0 .cse8 .cse10) .cse11) (or .cse0 .cse8 .cse11 .cse4) (or (= 1 ~waterLevel~0) (or (or .cse8 .cse10) .cse7))))) [2018-11-23 13:37:43,452 INFO L444 ceAbstractionStarter]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse9 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse4 .cse8)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse5 .cse8)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse6 (and .cse4 .cse5 .cse7 .cse8) .cse9 .cse10 .cse2 .cse11) (or .cse0 (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse9 .cse10 .cse2 .cse3) (or .cse6 (or .cse1 .cse2 .cse11) .cse0) (or .cse1 .cse2 .cse0 .cse7) (or (= 1 ~waterLevel~0) (or (or .cse2 .cse3) .cse10))))) [2018-11-23 13:37:43,452 INFO L444 ceAbstractionStarter]: At program point L112(line 112) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= ~systemActive~0 0)) .cse0 .cse1) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse2 .cse5 .cse6) (or .cse6 (or (or .cse2 .cse3) .cse4)) (or (or .cse1 .cse2 .cse5) .cse0))) [2018-11-23 13:37:43,452 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 103 129) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (let ((.cse5 (or .cse6 .cse2 .cse3)) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (and (= ~pumpRunning~0 1) .cse13)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse12 (not (= ~systemActive~0 0))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse7 (and (= 0 ~pumpRunning~0) .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse4) (or .cse6 .cse2 .cse7 .cse8) (or .cse9 .cse5 .cse7) (or .cse10 (or (or .cse2 .cse11) .cse1)) (or .cse9 .cse1 .cse2 .cse3 .cse10) (or .cse4 .cse12 (or .cse6 .cse3) .cse0) (or .cse7 (or .cse6 .cse2 .cse11)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse6 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse8) (or .cse12 .cse0 .cse7 .cse6)))) [2018-11-23 13:37:43,452 INFO L448 ceAbstractionStarter]: For program point L110(lines 106 128) no Hoare annotation was computed. [2018-11-23 13:37:43,452 INFO L448 ceAbstractionStarter]: For program point L108(lines 106 128) no Hoare annotation was computed. [2018-11-23 13:37:43,452 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2018-11-23 13:37:43,452 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2018-11-23 13:37:43,452 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 866 877) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 13:37:43,452 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2018-11-23 13:37:43,452 INFO L448 ceAbstractionStarter]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2018-11-23 13:37:43,453 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2018-11-23 13:37:43,453 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2018-11-23 13:37:43,453 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:37:43,453 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 13:37:43,453 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:37:43,453 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:37:43,453 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2018-11-23 13:37:43,453 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: true [2018-11-23 13:37:43,453 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2018-11-23 13:37:43,453 INFO L448 ceAbstractionStarter]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2018-11-23 13:37:43,453 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2018-11-23 13:37:43,453 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse4 .cse7)) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or (or .cse4 .cse7 (not (= |old(~waterLevel~0)| 1))) .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3)))) [2018-11-23 13:37:43,454 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-23 13:37:43,454 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-23 13:37:43,454 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-23 13:37:43,454 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-23 13:37:43,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:37:43 BoogieIcfgContainer [2018-11-23 13:37:43,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:37:43,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:37:43,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:37:43,466 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:37:43,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:27" (3/4) ... [2018-11-23 13:37:43,469 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:37:43,474 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:37:43,474 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:37:43,474 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 13:37:43,474 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 13:37:43,474 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:37:43,475 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 13:37:43,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:37:43,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:37:43,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:37:43,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:37:43,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:37:43,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:37:43,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 13:37:43,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:37:43,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:37:43,482 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 13:37:43,483 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:37:43,483 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:37:43,483 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:37:43,484 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:37:43,484 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:37:43,484 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:37:43,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-23 13:37:43,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 13:37:43,541 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_da2a96b3-467a-4ec8-83d5-64b173cce521/bin-2019/utaipan/witness.graphml [2018-11-23 13:37:43,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:37:43,542 INFO L168 Benchmark]: Toolchain (without parser) took 16648.75 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 743.4 MB). Free memory was 956.4 MB in the beginning and 1.5 GB in the end (delta: -562.8 MB). Peak memory consumption was 180.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:37:43,543 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:37:43,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:37:43,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.45 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: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:37:43,543 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 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 13:37:43,544 INFO L168 Benchmark]: RCFGBuilder took 484.52 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:37:43,544 INFO L168 Benchmark]: TraceAbstraction took 15556.16 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 594.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -448.1 MB). Peak memory consumption was 851.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:37:43,544 INFO L168 Benchmark]: Witness Printer took 75.81 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:37:43,546 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.45 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: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.58 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 484.52 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15556.16 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 594.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -448.1 MB). Peak memory consumption was 851.6 MB. Max. memory is 11.5 GB. * Witness Printer took 75.81 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 141 locations, 1 error locations. SAFE Result, 15.4s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1995 SDtfs, 1902 SDslu, 5981 SDs, 0 SdLazy, 4526 SolverSat, 910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 994 GetRequests, 847 SyntacticMatches, 18 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1484occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.9s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 736 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 2662 PreInvPairs, 3013 NumberOfFragments, 2489 HoareAnnotationTreeSize, 2662 FomulaSimplifications, 30262 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 58 FomulaSimplificationsInter, 21052 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1684 NumberOfCodeBlocks, 1684 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2084 ConstructedInterpolants, 0 QuantifiedInterpolants, 605610 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2092 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1409/1498 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...