./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/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 cad5f4eca7a20f7ca6dddfa07fda554bac28f7be ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:43:21,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:43:21,546 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:43:21,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:43:21,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:43:21,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:43:21,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:43:21,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:43:21,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:43:21,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:43:21,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:43:21,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:43:21,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:43:21,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:43:21,557 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:43:21,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:43:21,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:43:21,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:43:21,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:43:21,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:43:21,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:43:21,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:43:21,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:43:21,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:43:21,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:43:21,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:43:21,564 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:43:21,565 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:43:21,565 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:43:21,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:43:21,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:43:21,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:43:21,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:43:21,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:43:21,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:43:21,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:43:21,568 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:43:21,575 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:43:21,575 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:43:21,576 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:43:21,576 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:43:21,576 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:43:21,577 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:43:21,577 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:43:21,577 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:43:21,577 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:43:21,577 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:43:21,577 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:43:21,577 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:43:21,578 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:43:21,578 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:43:21,578 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:43:21,578 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:43:21,578 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:43:21,578 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:43:21,578 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:43:21,578 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:43:21,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:43:21,578 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:43:21,579 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:43:21,579 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:43:21,579 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:43:21,579 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:43:21,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:43:21,579 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:43:21,579 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_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/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 -> cad5f4eca7a20f7ca6dddfa07fda554bac28f7be [2018-12-01 22:43:21,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:43:21,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:43:21,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:43:21,613 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:43:21,614 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:43:21,614 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-12-01 22:43:21,652 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/data/a71322134/d26e09e5e9044e49a34ce408eea98d07/FLAG14d5fa056 [2018-12-01 22:43:22,040 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:43:22,041 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/sv-benchmarks/c/product-lines/minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-12-01 22:43:22,046 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/data/a71322134/d26e09e5e9044e49a34ce408eea98d07/FLAG14d5fa056 [2018-12-01 22:43:22,387 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/data/a71322134/d26e09e5e9044e49a34ce408eea98d07 [2018-12-01 22:43:22,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:43:22,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:43:22,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:43:22,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:43:22,393 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:43:22,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22, skipping insertion in model container [2018-12-01 22:43:22,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:43:22,426 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:43:22,598 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:43:22,606 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:43:22,681 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:43:22,695 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:43:22,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22 WrapperNode [2018-12-01 22:43:22,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:43:22,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:43:22,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:43:22,696 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:43:22,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:43:22,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:43:22,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:43:22,716 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:43:22,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... [2018-12-01 22:43:22,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:43:22,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:43:22,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:43:22,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:43:22,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:43:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 22:43:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 22:43:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-01 22:43:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-01 22:43:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:43:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:43:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-01 22:43:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-01 22:43:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:43:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 22:43:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 22:43:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 22:43:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 22:43:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 22:43:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 22:43:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 22:43:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 22:43:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 22:43:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 22:43:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 22:43:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 22:43:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 22:43:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 22:43:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 22:43:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 22:43:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 22:43:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 22:43:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 22:43:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 22:43:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 22:43:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 22:43:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 22:43:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 22:43:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 22:43:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 22:43:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 22:43:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 22:43:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 22:43:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 22:43:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 22:43:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 22:43:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 22:43:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 22:43:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 22:43:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:43:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:43:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 22:43:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 22:43:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 22:43:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 22:43:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:43:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:43:23,021 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:43:23,021 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 22:43:23,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:43:23 BoogieIcfgContainer [2018-12-01 22:43:23,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:43:23,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:43:23,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:43:23,024 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:43:23,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:43:22" (1/3) ... [2018-12-01 22:43:23,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf619de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:43:23, skipping insertion in model container [2018-12-01 22:43:23,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:43:22" (2/3) ... [2018-12-01 22:43:23,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf619de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:43:23, skipping insertion in model container [2018-12-01 22:43:23,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:43:23" (3/3) ... [2018-12-01 22:43:23,027 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product35_false-unreach-call_false-termination.cil.c [2018-12-01 22:43:23,033 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:43:23,038 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:43:23,047 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:43:23,067 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:43:23,067 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:43:23,067 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:43:23,067 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:43:23,067 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:43:23,067 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:43:23,067 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:43:23,068 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:43:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-12-01 22:43:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 22:43:23,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:23,085 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:23,086 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:23,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:23,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1192580472, now seen corresponding path program 1 times [2018-12-01 22:43:23,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:23,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:23,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:23,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:23,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:23,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:43:23,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 22:43:23,234 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:23,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 22:43:23,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 22:43:23,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:43:23,246 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-12-01 22:43:23,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:23,267 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-12-01 22:43:23,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 22:43:23,268 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 22:43:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:23,274 INFO L225 Difference]: With dead ends: 228 [2018-12-01 22:43:23,274 INFO L226 Difference]: Without dead ends: 114 [2018-12-01 22:43:23,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:43:23,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-01 22:43:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-01 22:43:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-01 22:43:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-12-01 22:43:23,304 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-12-01 22:43:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:23,305 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-12-01 22:43:23,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 22:43:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-12-01 22:43:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 22:43:23,306 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:23,306 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:23,307 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:23,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:23,307 INFO L82 PathProgramCache]: Analyzing trace with hash 249602612, now seen corresponding path program 1 times [2018-12-01 22:43:23,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:23,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:23,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:23,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:23,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:23,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:43:23,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:43:23,360 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:23,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:43:23,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:43:23,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:43:23,361 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-12-01 22:43:23,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:23,372 INFO L93 Difference]: Finished difference Result 168 states and 195 transitions. [2018-12-01 22:43:23,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:43:23,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 22:43:23,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:23,373 INFO L225 Difference]: With dead ends: 168 [2018-12-01 22:43:23,374 INFO L226 Difference]: Without dead ends: 105 [2018-12-01 22:43:23,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:43:23,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-01 22:43:23,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-01 22:43:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-01 22:43:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-12-01 22:43:23,381 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-12-01 22:43:23,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:23,381 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-12-01 22:43:23,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:43:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-12-01 22:43:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 22:43:23,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:23,382 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:23,382 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:23,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:23,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1139522814, now seen corresponding path program 1 times [2018-12-01 22:43:23,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:23,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:23,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:23,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:23,383 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:23,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:43:23,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:43:23,440 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:23,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:43:23,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:43:23,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:43:23,440 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-12-01 22:43:23,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:23,621 INFO L93 Difference]: Finished difference Result 317 states and 381 transitions. [2018-12-01 22:43:23,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:43:23,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-01 22:43:23,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:23,625 INFO L225 Difference]: With dead ends: 317 [2018-12-01 22:43:23,625 INFO L226 Difference]: Without dead ends: 236 [2018-12-01 22:43:23,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:43:23,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-01 22:43:23,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 216. [2018-12-01 22:43:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-01 22:43:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 258 transitions. [2018-12-01 22:43:23,651 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 258 transitions. Word has length 51 [2018-12-01 22:43:23,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:23,652 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 258 transitions. [2018-12-01 22:43:23,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:43:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 258 transitions. [2018-12-01 22:43:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 22:43:23,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:23,654 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:23,654 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:23,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:23,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1419273718, now seen corresponding path program 1 times [2018-12-01 22:43:23,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:23,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:23,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:23,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:23,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:23,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:43:23,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 22:43:23,774 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:23,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:43:23,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:43:23,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:43:23,775 INFO L87 Difference]: Start difference. First operand 216 states and 258 transitions. Second operand 10 states. [2018-12-01 22:43:24,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:24,048 INFO L93 Difference]: Finished difference Result 744 states and 972 transitions. [2018-12-01 22:43:24,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 22:43:24,049 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-01 22:43:24,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:24,053 INFO L225 Difference]: With dead ends: 744 [2018-12-01 22:43:24,053 INFO L226 Difference]: Without dead ends: 552 [2018-12-01 22:43:24,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-01 22:43:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-12-01 22:43:24,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 540. [2018-12-01 22:43:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-12-01 22:43:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 674 transitions. [2018-12-01 22:43:24,096 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 674 transitions. Word has length 57 [2018-12-01 22:43:24,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:24,097 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 674 transitions. [2018-12-01 22:43:24,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:43:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 674 transitions. [2018-12-01 22:43:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 22:43:24,106 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:24,106 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:24,107 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:24,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:24,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1162706576, now seen corresponding path program 1 times [2018-12-01 22:43:24,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:24,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:24,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:24,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:24,108 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:24,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:43:24,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:43:24,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:24,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:43:24,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:43:24,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:43:24,169 INFO L87 Difference]: Start difference. First operand 540 states and 674 transitions. Second operand 4 states. [2018-12-01 22:43:24,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:24,355 INFO L93 Difference]: Finished difference Result 1416 states and 1924 transitions. [2018-12-01 22:43:24,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:43:24,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-01 22:43:24,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:24,360 INFO L225 Difference]: With dead ends: 1416 [2018-12-01 22:43:24,361 INFO L226 Difference]: Without dead ends: 900 [2018-12-01 22:43:24,363 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:43:24,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-12-01 22:43:24,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 789. [2018-12-01 22:43:24,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2018-12-01 22:43:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 994 transitions. [2018-12-01 22:43:24,415 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 994 transitions. Word has length 61 [2018-12-01 22:43:24,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:24,416 INFO L480 AbstractCegarLoop]: Abstraction has 789 states and 994 transitions. [2018-12-01 22:43:24,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:43:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 994 transitions. [2018-12-01 22:43:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:43:24,419 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:24,419 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:24,419 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:24,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:24,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1264106976, now seen corresponding path program 1 times [2018-12-01 22:43:24,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:24,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:24,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:24,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:24,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 22:43:24,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:24,489 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:43:24,489 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 89 with the following transitions: [2018-12-01 22:43:24,491 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [48], [79], [88], [92], [96], [99], [104], [110], [112], [115], [117], [120], [131], [132], [146], [147], [186], [193], [196], [204], [210], [214], [215], [218], [219], [220], [221], [222], [224], [225], [226], [227], [228], [229], [230], [231], [232], [236], [246], [247], [250], [251], [252], [253], [266], [267], [268], [269], [270] [2018-12-01 22:43:24,512 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:43:24,512 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:43:24,902 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:43:24,903 INFO L272 AbstractInterpreter]: Visited 67 different actions 137 times. Merged at 13 different actions 19 times. Never widened. Performed 5095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-01 22:43:24,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:24,909 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:43:24,909 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:24,909 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:43:24,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:24,916 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:43:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:24,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:43:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:43:25,078 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:43:25,205 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:43:25,221 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:43:25,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-12-01 22:43:25,222 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:43:25,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 22:43:25,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 22:43:25,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-01 22:43:25,222 INFO L87 Difference]: Start difference. First operand 789 states and 994 transitions. Second operand 12 states. [2018-12-01 22:43:26,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:26,657 INFO L93 Difference]: Finished difference Result 1914 states and 2613 transitions. [2018-12-01 22:43:26,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-01 22:43:26,658 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-12-01 22:43:26,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:26,662 INFO L225 Difference]: With dead ends: 1914 [2018-12-01 22:43:26,662 INFO L226 Difference]: Without dead ends: 1371 [2018-12-01 22:43:26,664 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 180 SyntacticMatches, 8 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=629, Invalid=2451, Unknown=0, NotChecked=0, Total=3080 [2018-12-01 22:43:26,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-01 22:43:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1201. [2018-12-01 22:43:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2018-12-01 22:43:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1533 transitions. [2018-12-01 22:43:26,712 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1533 transitions. Word has length 88 [2018-12-01 22:43:26,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:26,712 INFO L480 AbstractCegarLoop]: Abstraction has 1201 states and 1533 transitions. [2018-12-01 22:43:26,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 22:43:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1533 transitions. [2018-12-01 22:43:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 22:43:26,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:26,715 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:26,715 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:26,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:26,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1042332916, now seen corresponding path program 1 times [2018-12-01 22:43:26,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:26,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:26,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:26,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:26,716 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:43:26,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:26,777 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:43:26,778 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-12-01 22:43:26,778 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [53], [56], [58], [59], [62], [64], [67], [74], [77], [78], [79], [88], [92], [96], [102], [104], [110], [112], [115], [131], [132], [133], [134], [135], [137], [140], [144], [145], [146], [147], [183], [186], [190], [196], [199], [203], [204], [215], [218], [219], [220], [221], [222], [224], [225], [226], [227], [228], [229], [230], [231], [232], [236], [238], [239], [240], [241], [244], [245], [252], [253], [256], [257], [262], [263], [264], [265], [266], [267], [268], [269], [270] [2018-12-01 22:43:26,781 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:43:26,781 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:43:26,900 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:43:26,900 INFO L272 AbstractInterpreter]: Visited 54 different actions 54 times. Never merged. Never widened. Performed 1821 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1821 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-01 22:43:26,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:26,902 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:43:27,095 INFO L227 lantSequenceWeakener]: Weakened 64 states. On average, predicates are now at 97.32% of their original sizes. [2018-12-01 22:43:27,096 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:43:27,151 INFO L418 sIntCurrentIteration]: We unified 108 AI predicates to 108 [2018-12-01 22:43:27,151 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:43:27,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:43:27,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-01 22:43:27,152 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:27,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 22:43:27,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 22:43:27,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-12-01 22:43:27,152 INFO L87 Difference]: Start difference. First operand 1201 states and 1533 transitions. Second operand 13 states. [2018-12-01 22:43:28,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:28,536 INFO L93 Difference]: Finished difference Result 2433 states and 3111 transitions. [2018-12-01 22:43:28,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 22:43:28,536 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 109 [2018-12-01 22:43:28,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:28,540 INFO L225 Difference]: With dead ends: 2433 [2018-12-01 22:43:28,540 INFO L226 Difference]: Without dead ends: 1256 [2018-12-01 22:43:28,542 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 115 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2018-12-01 22:43:28,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2018-12-01 22:43:28,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1247. [2018-12-01 22:43:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1247 states. [2018-12-01 22:43:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1582 transitions. [2018-12-01 22:43:28,582 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1582 transitions. Word has length 109 [2018-12-01 22:43:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:28,582 INFO L480 AbstractCegarLoop]: Abstraction has 1247 states and 1582 transitions. [2018-12-01 22:43:28,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 22:43:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1582 transitions. [2018-12-01 22:43:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 22:43:28,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:28,584 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:28,584 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:28,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:28,584 INFO L82 PathProgramCache]: Analyzing trace with hash -13526533, now seen corresponding path program 1 times [2018-12-01 22:43:28,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:28,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:28,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:28,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:28,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:43:28,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:28,627 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:43:28,627 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-12-01 22:43:28,628 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [53], [57], [58], [59], [62], [64], [67], [74], [77], [78], [79], [88], [92], [96], [99], [102], [104], [110], [112], [115], [131], [132], [133], [134], [135], [137], [140], [144], [145], [146], [147], [183], [186], [190], [196], [199], [203], [204], [210], [214], [215], [218], [219], [220], [221], [222], [224], [225], [226], [227], [228], [229], [230], [231], [232], [236], [238], [239], [240], [241], [244], [245], [246], [247], [252], [253], [256], [257], [262], [263], [264], [265], [266], [267], [268], [269], [270] [2018-12-01 22:43:28,630 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:43:28,630 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:43:28,793 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:43:28,793 INFO L272 AbstractInterpreter]: Visited 54 different actions 71 times. Merged at 5 different actions 5 times. Never widened. Performed 3986 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3986 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-01 22:43:28,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:28,794 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:43:28,915 INFO L227 lantSequenceWeakener]: Weakened 63 states. On average, predicates are now at 97.3% of their original sizes. [2018-12-01 22:43:28,915 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:43:28,977 INFO L418 sIntCurrentIteration]: We unified 112 AI predicates to 112 [2018-12-01 22:43:28,977 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:43:28,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:43:28,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2018-12-01 22:43:28,977 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:28,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 22:43:28,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 22:43:28,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-12-01 22:43:28,978 INFO L87 Difference]: Start difference. First operand 1247 states and 1582 transitions. Second operand 12 states. [2018-12-01 22:43:30,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:30,426 INFO L93 Difference]: Finished difference Result 2430 states and 3117 transitions. [2018-12-01 22:43:30,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 22:43:30,426 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 113 [2018-12-01 22:43:30,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:30,429 INFO L225 Difference]: With dead ends: 2430 [2018-12-01 22:43:30,429 INFO L226 Difference]: Without dead ends: 1481 [2018-12-01 22:43:30,431 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 116 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-12-01 22:43:30,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2018-12-01 22:43:30,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1446. [2018-12-01 22:43:30,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1446 states. [2018-12-01 22:43:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1818 transitions. [2018-12-01 22:43:30,477 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1818 transitions. Word has length 113 [2018-12-01 22:43:30,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:30,477 INFO L480 AbstractCegarLoop]: Abstraction has 1446 states and 1818 transitions. [2018-12-01 22:43:30,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 22:43:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1818 transitions. [2018-12-01 22:43:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 22:43:30,479 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:30,479 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:30,479 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:30,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:30,479 INFO L82 PathProgramCache]: Analyzing trace with hash -430923139, now seen corresponding path program 1 times [2018-12-01 22:43:30,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:30,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:30,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:30,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:30,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:43:30,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:30,575 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:43:30,575 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-12-01 22:43:30,575 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [53], [57], [58], [59], [62], [64], [67], [74], [77], [78], [79], [88], [92], [96], [99], [102], [104], [110], [112], [115], [131], [132], [133], [134], [135], [137], [142], [144], [145], [146], [147], [183], [186], [190], [196], [199], [203], [204], [210], [214], [215], [218], [219], [220], [221], [222], [224], [225], [226], [227], [228], [229], [230], [231], [232], [236], [238], [239], [240], [241], [244], [245], [246], [247], [252], [253], [256], [257], [262], [263], [264], [265], [266], [267], [268], [269], [270] [2018-12-01 22:43:30,577 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:43:30,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:43:31,065 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:43:31,065 INFO L272 AbstractInterpreter]: Visited 93 different actions 374 times. Merged at 15 different actions 42 times. Never widened. Performed 13054 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13054 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 132 variables. [2018-12-01 22:43:31,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:31,066 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:43:31,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:31,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:43:31,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:31,073 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:43:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:31,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:43:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:31,196 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:43:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:43:31,332 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:43:31,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2018-12-01 22:43:31,332 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:43:31,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 22:43:31,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 22:43:31,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:43:31,332 INFO L87 Difference]: Start difference. First operand 1446 states and 1818 transitions. Second operand 15 states. [2018-12-01 22:43:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:32,149 INFO L93 Difference]: Finished difference Result 2606 states and 3534 transitions. [2018-12-01 22:43:32,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 22:43:32,149 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 113 [2018-12-01 22:43:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:32,153 INFO L225 Difference]: With dead ends: 2606 [2018-12-01 22:43:32,154 INFO L226 Difference]: Without dead ends: 1657 [2018-12-01 22:43:32,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 218 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2018-12-01 22:43:32,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2018-12-01 22:43:32,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1332. [2018-12-01 22:43:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1332 states. [2018-12-01 22:43:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1670 transitions. [2018-12-01 22:43:32,207 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1670 transitions. Word has length 113 [2018-12-01 22:43:32,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:32,207 INFO L480 AbstractCegarLoop]: Abstraction has 1332 states and 1670 transitions. [2018-12-01 22:43:32,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 22:43:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1670 transitions. [2018-12-01 22:43:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 22:43:32,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:32,209 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:32,209 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:32,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:32,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2355968, now seen corresponding path program 1 times [2018-12-01 22:43:32,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:32,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:32,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:32,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:32,210 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 22:43:32,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:43:32,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:43:32,234 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:32,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:43:32,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:43:32,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:43:32,234 INFO L87 Difference]: Start difference. First operand 1332 states and 1670 transitions. Second operand 4 states. [2018-12-01 22:43:32,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:32,339 INFO L93 Difference]: Finished difference Result 1568 states and 1965 transitions. [2018-12-01 22:43:32,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:43:32,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2018-12-01 22:43:32,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:32,341 INFO L225 Difference]: With dead ends: 1568 [2018-12-01 22:43:32,342 INFO L226 Difference]: Without dead ends: 516 [2018-12-01 22:43:32,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:43:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2018-12-01 22:43:32,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2018-12-01 22:43:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2018-12-01 22:43:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 635 transitions. [2018-12-01 22:43:32,372 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 635 transitions. Word has length 115 [2018-12-01 22:43:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:32,372 INFO L480 AbstractCegarLoop]: Abstraction has 516 states and 635 transitions. [2018-12-01 22:43:32,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:43:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 635 transitions. [2018-12-01 22:43:32,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 22:43:32,374 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:32,374 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:32,375 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:32,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:32,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1595195824, now seen corresponding path program 2 times [2018-12-01 22:43:32,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:32,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:32,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:32,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:32,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:43:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:43:32,495 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 22:43:32,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:43:32 BoogieIcfgContainer [2018-12-01 22:43:32,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:43:32,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:43:32,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:43:32,633 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:43:32,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:43:23" (3/4) ... [2018-12-01 22:43:32,635 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 22:43:32,722 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7dbb6dee-de8b-4acf-8e7e-4c5a8b618f48/bin-2019/utaipan/witness.graphml [2018-12-01 22:43:32,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:43:32,723 INFO L168 Benchmark]: Toolchain (without parser) took 10333.27 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 432.5 MB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -389.4 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-12-01 22:43:32,724 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:43:32,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:43:32,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:43:32,724 INFO L168 Benchmark]: Boogie Preprocessor took 20.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:43:32,724 INFO L168 Benchmark]: RCFGBuilder took 284.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:43:32,724 INFO L168 Benchmark]: TraceAbstraction took 9610.64 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 348.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -348.0 MB). Peak memory consumption was 611.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:43:32,724 INFO L168 Benchmark]: Witness Printer took 89.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:43:32,726 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 284.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9610.64 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 348.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -348.0 MB). Peak memory consumption was 611.3 MB. Max. memory is 11.5 GB. * Witness Printer took 89.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 784]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L148] int pumpRunning = 0; [L149] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L583] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L824] int waterLevel = 1; [L825] int methaneLevelCritical = 0; [L391] int retValue_acc ; [L392] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L396] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L397] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L398] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L815] int retValue_acc ; [L818] retValue_acc = 1 [L819] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L398] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L402] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L403] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L382] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L67] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L842] COND TRUE waterLevel < 2 [L843] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L904] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] COND FALSE !(waterLevel < 2) [L911] retValue_acc = 0 [L912] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L287] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] tmp = isHighWaterSensorDry() [L289] COND FALSE !(\read(tmp)) [L292] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L294] retValue_acc = tmp___0 [L295] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L189] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L193] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L212] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L193] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L170] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L116] int tmp ; [L117] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L121] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L121] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L121] tmp = getWaterLevel() [L123] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L170] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L100] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L55] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L57] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L157] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L830] COND TRUE waterLevel > 0 [L831] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L157] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L187] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L170] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L116] int tmp ; [L117] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L121] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L121] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L121] tmp = getWaterLevel() [L123] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L170] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L100] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L55] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L155] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L157] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L830] COND TRUE waterLevel > 0 [L831] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L157] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L187] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L170] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L116] int tmp ; [L117] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L121] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L121] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L121] tmp = getWaterLevel() [L123] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L125] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L125] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L125] tmp___0 = isPumpRunning() [L127] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L129] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L784] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. UNSAFE Result, 9.5s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1520 SDtfs, 2362 SDslu, 4386 SDs, 0 SdLazy, 4503 SolverSat, 1156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 782 GetRequests, 621 SyntacticMatches, 15 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1446occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9977025320010438 AbsIntWeakeningRatio, 0.9818181818181818 AbsIntAvgWeakeningVarsNumRemoved, 50.945454545454545 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 682 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1149 NumberOfCodeBlocks, 1149 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1188 ConstructedInterpolants, 0 QuantifiedInterpolants, 193716 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1496 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 185/213 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...