./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/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 e5628f313afbfffa53e61454ca424855ee3b0eb7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/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 e5628f313afbfffa53e61454ca424855ee3b0eb7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:20:55,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:20:55,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:20:55,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:20:55,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:20:55,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:20:55,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:20:55,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:20:55,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:20:55,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:20:55,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:20:55,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:20:55,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:20:55,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:20:55,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:20:55,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:20:55,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:20:55,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:20:55,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:20:55,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:20:55,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:20:55,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:20:55,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:20:55,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:20:55,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:20:55,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:20:55,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:20:55,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:20:55,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:20:55,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:20:55,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:20:55,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:20:55,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:20:55,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:20:55,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:20:55,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:20:55,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:20:55,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:20:55,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:20:55,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:20:55,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:20:55,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:20:55,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:20:55,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:20:55,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:20:55,471 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:20:55,472 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:20:55,472 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:20:55,472 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:20:55,472 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:20:55,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:20:55,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:20:55,473 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:20:55,473 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:20:55,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:20:55,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:20:55,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:20:55,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:20:55,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:20:55,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:20:55,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:20:55,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:20:55,474 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:20:55,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:20:55,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:20:55,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:20:55,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:20:55,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:20:55,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:20:55,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:20:55,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:20:55,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:20:55,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:20:55,476 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:20:55,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:20:55,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:20:55,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:20:55,477 INFO L138 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_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7 [2019-10-22 11:20:55,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:20:55,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:20:55,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:20:55,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:20:55,519 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:20:55,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2019-10-22 11:20:55,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data/1d90437f0/8154d2065c6d4ab4b394bfbb02517849/FLAGe52007494 [2019-10-22 11:20:55,987 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:20:55,988 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2019-10-22 11:20:55,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data/1d90437f0/8154d2065c6d4ab4b394bfbb02517849/FLAGe52007494 [2019-10-22 11:20:56,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data/1d90437f0/8154d2065c6d4ab4b394bfbb02517849 [2019-10-22 11:20:56,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:20:56,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:20:56,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:56,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:20:56,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:20:56,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de3efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56, skipping insertion in model container [2019-10-22 11:20:56,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:20:56,063 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:20:56,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:20:56,375 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:20:56,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:20:56,472 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:20:56,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56 WrapperNode [2019-10-22 11:20:56,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:56,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:20:56,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:20:56,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:20:56,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:20:56,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:20:56,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:20:56,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:20:56,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:20:56,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:20:56,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:20:56,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:20:56,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/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 [2019-10-22 11:20:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:20:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:20:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:20:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:20:57,580 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:20:57,580 INFO L284 CfgBuilder]: Removed 198 assume(true) statements. [2019-10-22 11:20:57,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:20:57 BoogieIcfgContainer [2019-10-22 11:20:57,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:20:57,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:20:57,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:20:57,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:20:57,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:20:56" (1/3) ... [2019-10-22 11:20:57,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7657b539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:20:57, skipping insertion in model container [2019-10-22 11:20:57,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56" (2/3) ... [2019-10-22 11:20:57,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7657b539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:20:57, skipping insertion in model container [2019-10-22 11:20:57,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:20:57" (3/3) ... [2019-10-22 11:20:57,589 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2019-10-22 11:20:57,600 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:20:57,608 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:20:57,617 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:20:57,640 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:20:57,641 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:20:57,641 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:20:57,641 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:20:57,641 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:20:57,641 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:20:57,642 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:20:57,642 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:20:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-10-22 11:20:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:20:57,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:57,665 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:57,667 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:57,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:57,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2019-10-22 11:20:57,681 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:57,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865376724] [2019-10-22 11:20:57,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:57,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:57,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:57,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865376724] [2019-10-22 11:20:57,893 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:57,897 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:20:57,897 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479127993] [2019-10-22 11:20:57,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:20:57,903 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:57,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:20:57,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:20:57,919 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-10-22 11:20:57,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:57,957 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-10-22 11:20:57,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:20:57,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:20:57,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:57,973 INFO L225 Difference]: With dead ends: 268 [2019-10-22 11:20:57,974 INFO L226 Difference]: Without dead ends: 133 [2019-10-22 11:20:57,977 INFO L600 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 [2019-10-22 11:20:57,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-22 11:20:58,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-22 11:20:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-22 11:20:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-10-22 11:20:58,030 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-10-22 11:20:58,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,030 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-10-22 11:20:58,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:20:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-10-22 11:20:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:20:58,031 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,032 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:58,032 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,032 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2019-10-22 11:20:58,033 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,033 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365171270] [2019-10-22 11:20:58,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:58,150 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365171270] [2019-10-22 11:20:58,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:20:58,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258763511] [2019-10-22 11:20:58,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:58,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:58,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,155 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2019-10-22 11:20:58,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,173 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-10-22 11:20:58,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:58,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:20:58,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,178 INFO L225 Difference]: With dead ends: 133 [2019-10-22 11:20:58,178 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 11:20:58,179 INFO L600 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 [2019-10-22 11:20:58,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 11:20:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 11:20:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 11:20:58,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-10-22 11:20:58,187 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-10-22 11:20:58,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,188 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-10-22 11:20:58,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-10-22 11:20:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:20:58,188 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,189 INFO L380 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] [2019-10-22 11:20:58,192 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,192 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2019-10-22 11:20:58,192 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652624127] [2019-10-22 11:20:58,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:58,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652624127] [2019-10-22 11:20:58,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,276 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:20:58,276 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190576034] [2019-10-22 11:20:58,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:58,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:58,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,277 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2019-10-22 11:20:58,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,345 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2019-10-22 11:20:58,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:58,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:20:58,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,347 INFO L225 Difference]: With dead ends: 153 [2019-10-22 11:20:58,347 INFO L226 Difference]: Without dead ends: 104 [2019-10-22 11:20:58,348 INFO L600 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 [2019-10-22 11:20:58,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-22 11:20:58,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2019-10-22 11:20:58,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-22 11:20:58,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2019-10-22 11:20:58,364 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2019-10-22 11:20:58,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,364 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2019-10-22 11:20:58,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:58,365 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2019-10-22 11:20:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:20:58,365 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,366 INFO L380 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] [2019-10-22 11:20:58,366 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,366 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2019-10-22 11:20:58,366 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,367 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586946187] [2019-10-22 11:20:58,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:58,442 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586946187] [2019-10-22 11:20:58,442 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:20:58,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770262015] [2019-10-22 11:20:58,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:58,443 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:58,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,444 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2019-10-22 11:20:58,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,483 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2019-10-22 11:20:58,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:58,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:20:58,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,485 INFO L225 Difference]: With dead ends: 235 [2019-10-22 11:20:58,485 INFO L226 Difference]: Without dead ends: 141 [2019-10-22 11:20:58,485 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-22 11:20:58,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2019-10-22 11:20:58,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 11:20:58,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2019-10-22 11:20:58,497 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2019-10-22 11:20:58,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,498 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2019-10-22 11:20:58,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2019-10-22 11:20:58,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:20:58,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,499 INFO L380 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] [2019-10-22 11:20:58,499 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,499 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2019-10-22 11:20:58,499 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30676352] [2019-10-22 11:20:58,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:58,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30676352] [2019-10-22 11:20:58,572 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,572 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:20:58,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908132077] [2019-10-22 11:20:58,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:20:58,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:20:58,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:58,574 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2019-10-22 11:20:58,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,718 INFO L93 Difference]: Finished difference Result 499 states and 727 transitions. [2019-10-22 11:20:58,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:20:58,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:20:58,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,721 INFO L225 Difference]: With dead ends: 499 [2019-10-22 11:20:58,722 INFO L226 Difference]: Without dead ends: 366 [2019-10-22 11:20:58,722 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:20:58,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-10-22 11:20:58,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 228. [2019-10-22 11:20:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-10-22 11:20:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 320 transitions. [2019-10-22 11:20:58,760 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 320 transitions. Word has length 25 [2019-10-22 11:20:58,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,760 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 320 transitions. [2019-10-22 11:20:58,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:20:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 320 transitions. [2019-10-22 11:20:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:20:58,764 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,765 INFO L380 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] [2019-10-22 11:20:58,765 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1579349608, now seen corresponding path program 1 times [2019-10-22 11:20:58,765 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,766 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730624778] [2019-10-22 11:20:58,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:58,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730624778] [2019-10-22 11:20:58,859 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,859 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:20:58,859 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100382734] [2019-10-22 11:20:58,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:20:58,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:20:58,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:58,860 INFO L87 Difference]: Start difference. First operand 228 states and 320 transitions. Second operand 5 states. [2019-10-22 11:20:59,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,017 INFO L93 Difference]: Finished difference Result 498 states and 712 transitions. [2019-10-22 11:20:59,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:20:59,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:20:59,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,020 INFO L225 Difference]: With dead ends: 498 [2019-10-22 11:20:59,020 INFO L226 Difference]: Without dead ends: 496 [2019-10-22 11:20:59,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:20:59,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-10-22 11:20:59,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 228. [2019-10-22 11:20:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-10-22 11:20:59,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 318 transitions. [2019-10-22 11:20:59,047 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 318 transitions. Word has length 26 [2019-10-22 11:20:59,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,047 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 318 transitions. [2019-10-22 11:20:59,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:20:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 318 transitions. [2019-10-22 11:20:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:20:59,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,049 INFO L380 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] [2019-10-22 11:20:59,049 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1776901523, now seen corresponding path program 1 times [2019-10-22 11:20:59,050 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711505063] [2019-10-22 11:20:59,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,114 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711505063] [2019-10-22 11:20:59,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,114 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:20:59,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519740717] [2019-10-22 11:20:59,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:20:59,115 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:20:59,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:59,116 INFO L87 Difference]: Start difference. First operand 228 states and 318 transitions. Second operand 5 states. [2019-10-22 11:20:59,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,208 INFO L93 Difference]: Finished difference Result 624 states and 862 transitions. [2019-10-22 11:20:59,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:20:59,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:20:59,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,210 INFO L225 Difference]: With dead ends: 624 [2019-10-22 11:20:59,210 INFO L226 Difference]: Without dead ends: 402 [2019-10-22 11:20:59,211 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:20:59,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-22 11:20:59,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 246. [2019-10-22 11:20:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-10-22 11:20:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 336 transitions. [2019-10-22 11:20:59,228 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 336 transitions. Word has length 34 [2019-10-22 11:20:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,228 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 336 transitions. [2019-10-22 11:20:59,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:20:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 336 transitions. [2019-10-22 11:20:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:20:59,229 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,230 INFO L380 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] [2019-10-22 11:20:59,230 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1931259759, now seen corresponding path program 1 times [2019-10-22 11:20:59,230 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,231 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971811671] [2019-10-22 11:20:59,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971811671] [2019-10-22 11:20:59,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:20:59,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676320455] [2019-10-22 11:20:59,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:20:59,273 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:20:59,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:20:59,274 INFO L87 Difference]: Start difference. First operand 246 states and 336 transitions. Second operand 4 states. [2019-10-22 11:20:59,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,321 INFO L93 Difference]: Finished difference Result 538 states and 731 transitions. [2019-10-22 11:20:59,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:20:59,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 11:20:59,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,322 INFO L225 Difference]: With dead ends: 538 [2019-10-22 11:20:59,323 INFO L226 Difference]: Without dead ends: 298 [2019-10-22 11:20:59,323 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:59,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-10-22 11:20:59,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 209. [2019-10-22 11:20:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-22 11:20:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions. [2019-10-22 11:20:59,340 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 34 [2019-10-22 11:20:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,340 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 280 transitions. [2019-10-22 11:20:59,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:20:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions. [2019-10-22 11:20:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:20:59,341 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,341 INFO L380 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] [2019-10-22 11:20:59,341 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,342 INFO L82 PathProgramCache]: Analyzing trace with hash 651396081, now seen corresponding path program 1 times [2019-10-22 11:20:59,342 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364536312] [2019-10-22 11:20:59,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364536312] [2019-10-22 11:20:59,393 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:20:59,394 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462976894] [2019-10-22 11:20:59,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:20:59,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:20:59,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:59,395 INFO L87 Difference]: Start difference. First operand 209 states and 280 transitions. Second operand 5 states. [2019-10-22 11:20:59,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,528 INFO L93 Difference]: Finished difference Result 582 states and 798 transitions. [2019-10-22 11:20:59,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:20:59,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:20:59,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,530 INFO L225 Difference]: With dead ends: 582 [2019-10-22 11:20:59,530 INFO L226 Difference]: Without dead ends: 429 [2019-10-22 11:20:59,531 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:20:59,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2019-10-22 11:20:59,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 294. [2019-10-22 11:20:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-10-22 11:20:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 389 transitions. [2019-10-22 11:20:59,551 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 389 transitions. Word has length 34 [2019-10-22 11:20:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,551 INFO L462 AbstractCegarLoop]: Abstraction has 294 states and 389 transitions. [2019-10-22 11:20:59,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:20:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 389 transitions. [2019-10-22 11:20:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:20:59,552 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,556 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:20:59,556 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1642052713, now seen corresponding path program 1 times [2019-10-22 11:20:59,557 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,557 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353639827] [2019-10-22 11:20:59,557 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,557 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:20:59,592 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353639827] [2019-10-22 11:20:59,592 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,592 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:20:59,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072829313] [2019-10-22 11:20:59,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:59,593 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:59,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:59,593 INFO L87 Difference]: Start difference. First operand 294 states and 389 transitions. Second operand 3 states. [2019-10-22 11:20:59,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,641 INFO L93 Difference]: Finished difference Result 499 states and 660 transitions. [2019-10-22 11:20:59,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:59,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-22 11:20:59,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,642 INFO L225 Difference]: With dead ends: 499 [2019-10-22 11:20:59,642 INFO L226 Difference]: Without dead ends: 211 [2019-10-22 11:20:59,643 INFO L600 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 [2019-10-22 11:20:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-10-22 11:20:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 205. [2019-10-22 11:20:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-10-22 11:20:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 268 transitions. [2019-10-22 11:20:59,658 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 268 transitions. Word has length 52 [2019-10-22 11:20:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,658 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 268 transitions. [2019-10-22 11:20:59,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 268 transitions. [2019-10-22 11:20:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 11:20:59,659 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,659 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:20:59,659 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,659 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2019-10-22 11:20:59,660 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403521179] [2019-10-22 11:20:59,660 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,660 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403521179] [2019-10-22 11:20:59,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923820394] [2019-10-22 11:20:59,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:20:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:20:59,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:20:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,901 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:20:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [837472649] [2019-10-22 11:20:59,936 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 56 [2019-10-22 11:20:59,977 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:20:59,977 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:21:00,384 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:00,385 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:21:00,390 INFO L168 Benchmark]: Toolchain (without parser) took 4377.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.2 MB in the beginning and 934.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 141.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,390 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:00,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,391 INFO L168 Benchmark]: Boogie Preprocessor took 51.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,392 INFO L168 Benchmark]: RCFGBuilder took 961.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,392 INFO L168 Benchmark]: TraceAbstraction took 2805.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 934.0 MB in the end (delta: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,395 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 460.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 961.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2805.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 934.0 MB in the end (delta: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:02,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:02,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:02,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:02,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:02,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:02,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:02,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:02,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:02,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:02,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:02,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:02,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:02,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:02,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:02,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:02,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:02,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:02,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:02,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:02,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:02,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:02,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:02,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:02,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:02,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:02,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:02,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:02,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:02,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:02,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:02,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:02,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:02,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:02,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:02,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:02,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:02,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:02,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:02,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:02,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:02,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:21:02,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:02,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:02,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:02,360 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:02,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:02,360 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:02,360 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:02,360 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:02,360 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:02,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:02,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:02,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:02,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:02,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:02,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:02,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:02,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:21:02,362 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:21:02,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:02,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:02,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:21:02,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:02,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:02,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:02,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:02,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:02,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:02,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:02,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:02,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:02,364 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:21:02,364 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:21:02,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:02,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:02,365 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7 [2019-10-22 11:21:02,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:02,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:02,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:02,414 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:02,414 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:02,415 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2019-10-22 11:21:02,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data/5c7f71e7a/17ab3a65daa54aedb579f3e87311f57f/FLAG583c3c4e5 [2019-10-22 11:21:02,947 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:02,948 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2019-10-22 11:21:02,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data/5c7f71e7a/17ab3a65daa54aedb579f3e87311f57f/FLAG583c3c4e5 [2019-10-22 11:21:02,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/data/5c7f71e7a/17ab3a65daa54aedb579f3e87311f57f [2019-10-22 11:21:02,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:02,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:02,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:02,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:02,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:02,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:02" (1/1) ... [2019-10-22 11:21:03,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fff581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:02, skipping insertion in model container [2019-10-22 11:21:03,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:02" (1/1) ... [2019-10-22 11:21:03,007 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:03,051 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:03,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:03,463 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:03,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:03,599 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:03,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03 WrapperNode [2019-10-22 11:21:03,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:03,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:03,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:03,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:03,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:03,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:03,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:03,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:03,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:03,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:03,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:03,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:03,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/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 [2019-10-22 11:21:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:21:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:04,777 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:04,777 INFO L284 CfgBuilder]: Removed 198 assume(true) statements. [2019-10-22 11:21:04,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:04 BoogieIcfgContainer [2019-10-22 11:21:04,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:04,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:04,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:04,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:04,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:02" (1/3) ... [2019-10-22 11:21:04,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cbd634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:04, skipping insertion in model container [2019-10-22 11:21:04,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03" (2/3) ... [2019-10-22 11:21:04,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cbd634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:04, skipping insertion in model container [2019-10-22 11:21:04,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:04" (3/3) ... [2019-10-22 11:21:04,788 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2019-10-22 11:21:04,799 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:04,811 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:04,822 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:04,848 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:04,848 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:04,848 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:04,849 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:04,849 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:04,849 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:04,849 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:04,849 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:04,863 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-10-22 11:21:04,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:21:04,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:04,871 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:04,873 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:04,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:04,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2019-10-22 11:21:04,886 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:04,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [978616252] [2019-10-22 11:21:04,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:05,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:21:05,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:05,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:05,114 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:05,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [978616252] [2019-10-22 11:21:05,124 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:05,124 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:21:05,124 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397087706] [2019-10-22 11:21:05,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:21:05,130 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:05,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:21:05,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:05,146 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-10-22 11:21:05,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:05,184 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-10-22 11:21:05,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:21:05,186 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:21:05,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:05,200 INFO L225 Difference]: With dead ends: 268 [2019-10-22 11:21:05,202 INFO L226 Difference]: Without dead ends: 133 [2019-10-22 11:21:05,206 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:05,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-22 11:21:05,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-22 11:21:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-22 11:21:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-10-22 11:21:05,267 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-10-22 11:21:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:05,267 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-10-22 11:21:05,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:21:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-10-22 11:21:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:21:05,269 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:05,269 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:05,471 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:05,471 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:05,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:05,472 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2019-10-22 11:21:05,473 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:05,473 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1270751678] [2019-10-22 11:21:05,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:05,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:05,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:05,626 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:05,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1270751678] [2019-10-22 11:21:05,635 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:05,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:21:05,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490445054] [2019-10-22 11:21:05,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:05,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:05,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:05,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:05,638 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 4 states. [2019-10-22 11:21:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:05,765 INFO L93 Difference]: Finished difference Result 436 states and 633 transitions. [2019-10-22 11:21:05,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:05,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:21:05,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:05,769 INFO L225 Difference]: With dead ends: 436 [2019-10-22 11:21:05,769 INFO L226 Difference]: Without dead ends: 309 [2019-10-22 11:21:05,770 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:05,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-10-22 11:21:05,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 174. [2019-10-22 11:21:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-10-22 11:21:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 252 transitions. [2019-10-22 11:21:05,820 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 252 transitions. Word has length 17 [2019-10-22 11:21:05,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:05,820 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 252 transitions. [2019-10-22 11:21:05,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 252 transitions. [2019-10-22 11:21:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:21:05,821 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:05,821 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:06,022 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,022 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:06,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:06,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1422893776, now seen corresponding path program 1 times [2019-10-22 11:21:06,023 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:06,023 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1821963142] [2019-10-22 11:21:06,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:06,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:06,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:06,173 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:06,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1821963142] [2019-10-22 11:21:06,175 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:06,175 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:21:06,176 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067400571] [2019-10-22 11:21:06,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:06,176 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:06,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:06,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:06,177 INFO L87 Difference]: Start difference. First operand 174 states and 252 transitions. Second operand 3 states. [2019-10-22 11:21:06,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:06,306 INFO L93 Difference]: Finished difference Result 387 states and 557 transitions. [2019-10-22 11:21:06,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:06,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:21:06,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:06,308 INFO L225 Difference]: With dead ends: 387 [2019-10-22 11:21:06,308 INFO L226 Difference]: Without dead ends: 219 [2019-10-22 11:21:06,309 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:06,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-10-22 11:21:06,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 213. [2019-10-22 11:21:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-10-22 11:21:06,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 295 transitions. [2019-10-22 11:21:06,332 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 295 transitions. Word has length 19 [2019-10-22 11:21:06,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:06,333 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 295 transitions. [2019-10-22 11:21:06,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 295 transitions. [2019-10-22 11:21:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:21:06,334 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:06,334 INFO L380 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] [2019-10-22 11:21:06,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,535 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:06,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:06,536 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2019-10-22 11:21:06,536 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:06,536 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [51560938] [2019-10-22 11:21:06,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:06,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:21:06,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:06,721 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:06,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [51560938] [2019-10-22 11:21:06,761 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:06,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-10-22 11:21:06,762 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843817258] [2019-10-22 11:21:06,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:21:06,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:06,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:21:06,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:06,764 INFO L87 Difference]: Start difference. First operand 213 states and 295 transitions. Second operand 9 states. [2019-10-22 11:21:07,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:07,637 INFO L93 Difference]: Finished difference Result 1432 states and 2015 transitions. [2019-10-22 11:21:07,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 11:21:07,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-10-22 11:21:07,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:07,644 INFO L225 Difference]: With dead ends: 1432 [2019-10-22 11:21:07,644 INFO L226 Difference]: Without dead ends: 1225 [2019-10-22 11:21:07,647 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2019-10-22 11:21:07,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2019-10-22 11:21:07,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 525. [2019-10-22 11:21:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2019-10-22 11:21:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 705 transitions. [2019-10-22 11:21:07,729 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 705 transitions. Word has length 25 [2019-10-22 11:21:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:07,730 INFO L462 AbstractCegarLoop]: Abstraction has 525 states and 705 transitions. [2019-10-22 11:21:07,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:21:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 705 transitions. [2019-10-22 11:21:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 11:21:07,734 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:07,734 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:21:07,934 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:07,935 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:07,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:07,935 INFO L82 PathProgramCache]: Analyzing trace with hash 2071461866, now seen corresponding path program 1 times [2019-10-22 11:21:07,936 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:07,936 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [193647459] [2019-10-22 11:21:07,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:08,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:08,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:21:08,088 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:21:08,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [193647459] [2019-10-22 11:21:08,094 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:08,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:21:08,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171798048] [2019-10-22 11:21:08,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:08,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:08,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:08,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:08,095 INFO L87 Difference]: Start difference. First operand 525 states and 705 transitions. Second operand 5 states. [2019-10-22 11:21:08,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:08,478 INFO L93 Difference]: Finished difference Result 1237 states and 1685 transitions. [2019-10-22 11:21:08,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:21:08,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-22 11:21:08,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:08,483 INFO L225 Difference]: With dead ends: 1237 [2019-10-22 11:21:08,483 INFO L226 Difference]: Without dead ends: 1231 [2019-10-22 11:21:08,484 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:08,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2019-10-22 11:21:08,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 525. [2019-10-22 11:21:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2019-10-22 11:21:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 699 transitions. [2019-10-22 11:21:08,537 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 699 transitions. Word has length 41 [2019-10-22 11:21:08,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:08,537 INFO L462 AbstractCegarLoop]: Abstraction has 525 states and 699 transitions. [2019-10-22 11:21:08,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 699 transitions. [2019-10-22 11:21:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 11:21:08,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:08,540 INFO L380 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] [2019-10-22 11:21:08,741 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:08,741 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:08,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:08,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1515882276, now seen corresponding path program 1 times [2019-10-22 11:21:08,742 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:08,742 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1003971951] [2019-10-22 11:21:08,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:08,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:08,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:08,917 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:08,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1003971951] [2019-10-22 11:21:08,924 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:08,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:21:08,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181134974] [2019-10-22 11:21:08,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:08,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:08,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:08,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:08,925 INFO L87 Difference]: Start difference. First operand 525 states and 699 transitions. Second operand 5 states. [2019-10-22 11:21:09,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:09,150 INFO L93 Difference]: Finished difference Result 1532 states and 2001 transitions. [2019-10-22 11:21:09,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:09,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2019-10-22 11:21:09,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:09,154 INFO L225 Difference]: With dead ends: 1532 [2019-10-22 11:21:09,155 INFO L226 Difference]: Without dead ends: 1013 [2019-10-22 11:21:09,156 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:09,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2019-10-22 11:21:09,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 570. [2019-10-22 11:21:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2019-10-22 11:21:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 744 transitions. [2019-10-22 11:21:09,218 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 744 transitions. Word has length 45 [2019-10-22 11:21:09,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:09,220 INFO L462 AbstractCegarLoop]: Abstraction has 570 states and 744 transitions. [2019-10-22 11:21:09,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 744 transitions. [2019-10-22 11:21:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 11:21:09,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:09,223 INFO L380 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] [2019-10-22 11:21:09,424 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:09,424 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:09,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:09,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1493250022, now seen corresponding path program 1 times [2019-10-22 11:21:09,425 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:09,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [133358246] [2019-10-22 11:21:09,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:09,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,593 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,614 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [133358246] [2019-10-22 11:21:09,615 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:09,615 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:21:09,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599974787] [2019-10-22 11:21:09,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:09,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:09,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:09,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:09,616 INFO L87 Difference]: Start difference. First operand 570 states and 744 transitions. Second operand 6 states. [2019-10-22 11:21:09,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:09,846 INFO L93 Difference]: Finished difference Result 1412 states and 1824 transitions. [2019-10-22 11:21:09,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:09,846 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2019-10-22 11:21:09,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:09,849 INFO L225 Difference]: With dead ends: 1412 [2019-10-22 11:21:09,849 INFO L226 Difference]: Without dead ends: 777 [2019-10-22 11:21:09,850 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:09,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2019-10-22 11:21:09,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 447. [2019-10-22 11:21:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-10-22 11:21:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 580 transitions. [2019-10-22 11:21:09,899 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 580 transitions. Word has length 45 [2019-10-22 11:21:09,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:09,900 INFO L462 AbstractCegarLoop]: Abstraction has 447 states and 580 transitions. [2019-10-22 11:21:09,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 580 transitions. [2019-10-22 11:21:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 11:21:09,902 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:09,902 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:21:10,103 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,103 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:10,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:10,104 INFO L82 PathProgramCache]: Analyzing trace with hash -355967449, now seen corresponding path program 1 times [2019-10-22 11:21:10,104 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:10,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [511918317] [2019-10-22 11:21:10,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:10,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:10,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:10,271 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:10,279 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [511918317] [2019-10-22 11:21:10,279 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:10,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:21:10,280 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604140271] [2019-10-22 11:21:10,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:10,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:10,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:10,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:10,281 INFO L87 Difference]: Start difference. First operand 447 states and 580 transitions. Second operand 3 states. [2019-10-22 11:21:10,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:10,308 INFO L93 Difference]: Finished difference Result 447 states and 580 transitions. [2019-10-22 11:21:10,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:10,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-22 11:21:10,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:10,314 INFO L225 Difference]: With dead ends: 447 [2019-10-22 11:21:10,314 INFO L226 Difference]: Without dead ends: 215 [2019-10-22 11:21:10,314 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:10,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-10-22 11:21:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2019-10-22 11:21:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-10-22 11:21:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 288 transitions. [2019-10-22 11:21:10,336 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 288 transitions. Word has length 50 [2019-10-22 11:21:10,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:10,336 INFO L462 AbstractCegarLoop]: Abstraction has 215 states and 288 transitions. [2019-10-22 11:21:10,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 288 transitions. [2019-10-22 11:21:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 11:21:10,338 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:10,338 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:21:10,538 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,539 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:10,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:10,539 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2019-10-22 11:21:10,540 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:10,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [220665934] [2019-10-22 11:21:10,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:10,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 11:21:10,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:10,724 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:10,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [220665934] [2019-10-22 11:21:10,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062080601] [2019-10-22 11:21:10,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:10,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:21:10,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:10,895 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:10,909 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:21:10,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5] total 10 [2019-10-22 11:21:10,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666101349] [2019-10-22 11:21:10,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:21:10,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:10,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:21:10,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:21:10,910 INFO L87 Difference]: Start difference. First operand 215 states and 288 transitions. Second operand 11 states. [2019-10-22 11:21:11,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:11,835 INFO L93 Difference]: Finished difference Result 1352 states and 1860 transitions. [2019-10-22 11:21:11,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-22 11:21:11,835 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2019-10-22 11:21:11,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:11,843 INFO L225 Difference]: With dead ends: 1352 [2019-10-22 11:21:11,843 INFO L226 Difference]: Without dead ends: 1185 [2019-10-22 11:21:11,844 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2019-10-22 11:21:11,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-10-22 11:21:11,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 360. [2019-10-22 11:21:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-22 11:21:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 490 transitions. [2019-10-22 11:21:11,888 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 490 transitions. Word has length 55 [2019-10-22 11:21:11,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:11,889 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 490 transitions. [2019-10-22 11:21:11,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:21:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 490 transitions. [2019-10-22 11:21:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 11:21:11,890 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:11,890 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:21:12,291 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:12,292 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:12,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:12,292 INFO L82 PathProgramCache]: Analyzing trace with hash 533191345, now seen corresponding path program 2 times [2019-10-22 11:21:12,292 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:12,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1938210754] [2019-10-22 11:21:12,293 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:14,497 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:21:14,497 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:21:14,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:21:14,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:14,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:21:14,610 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:21:14,656 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1938210754] [2019-10-22 11:21:14,656 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:14,656 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:21:14,657 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307371438] [2019-10-22 11:21:14,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:21:14,657 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:14,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:21:14,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:14,658 INFO L87 Difference]: Start difference. First operand 360 states and 490 transitions. Second operand 9 states. [2019-10-22 11:21:15,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:15,572 INFO L93 Difference]: Finished difference Result 1559 states and 2134 transitions. [2019-10-22 11:21:15,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:21:15,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-10-22 11:21:15,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:15,576 INFO L225 Difference]: With dead ends: 1559 [2019-10-22 11:21:15,577 INFO L226 Difference]: Without dead ends: 1149 [2019-10-22 11:21:15,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:21:15,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2019-10-22 11:21:15,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 439. [2019-10-22 11:21:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-22 11:21:15,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 588 transitions. [2019-10-22 11:21:15,633 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 588 transitions. Word has length 76 [2019-10-22 11:21:15,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:15,633 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 588 transitions. [2019-10-22 11:21:15,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:21:15,633 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 588 transitions. [2019-10-22 11:21:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 11:21:15,634 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:15,634 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:21:15,835 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:15,835 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:15,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:15,835 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2019-10-22 11:21:15,835 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:15,835 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [190482277] [2019-10-22 11:21:15,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:15,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:21:15,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:21:16,002 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:21:16,029 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [190482277] [2019-10-22 11:21:16,029 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:16,030 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-10-22 11:21:16,030 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396630200] [2019-10-22 11:21:16,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:21:16,030 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:16,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:21:16,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:16,031 INFO L87 Difference]: Start difference. First operand 439 states and 588 transitions. Second operand 9 states. [2019-10-22 11:21:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:16,115 INFO L93 Difference]: Finished difference Result 722 states and 959 transitions. [2019-10-22 11:21:16,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:16,116 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-10-22 11:21:16,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:16,116 INFO L225 Difference]: With dead ends: 722 [2019-10-22 11:21:16,116 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:16,117 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:21:16,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:16,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:16,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-10-22 11:21:16,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:16,118 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:16,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:21:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:16,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:16,319 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:16,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:16,683 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 142 [2019-10-22 11:21:16,989 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 143 [2019-10-22 11:21:17,219 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 127 [2019-10-22 11:21:17,466 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 127 [2019-10-22 11:21:17,647 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 143 [2019-10-22 11:21:18,224 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 32 [2019-10-22 11:21:18,510 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2019-10-22 11:21:18,686 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 34 [2019-10-22 11:21:19,201 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 32 [2019-10-22 11:21:19,487 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2019-10-22 11:21:19,918 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2019-10-22 11:21:20,087 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 27 [2019-10-22 11:21:20,296 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2019-10-22 11:21:20,706 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2019-10-22 11:21:21,306 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 26 [2019-10-22 11:21:21,436 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:21:21,436 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:21:21,436 INFO L443 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:21:21,436 INFO L443 ceAbstractionStarter]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:21:21,436 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-10-22 11:21:21,436 INFO L443 ceAbstractionStarter]: For program point L796-5(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L631-3(lines 631 648) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L796-8(lines 796 800) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L631-4(lines 631 648) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L631-5(lines 631 648) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L439 ceAbstractionStarter]: At program point L599(lines 598 617) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) .cse3) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse0) .cse3))) [2019-10-22 11:21:21,437 INFO L443 ceAbstractionStarter]: For program point L599-1(lines 599 605) no Hoare annotation was computed. [2019-10-22 11:21:21,437 INFO L439 ceAbstractionStarter]: At program point L599-2(lines 598 617) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))))) [2019-10-22 11:21:21,438 INFO L439 ceAbstractionStarter]: At program point L599-3(lines 598 617) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,438 INFO L439 ceAbstractionStarter]: At program point L997(lines 992 1000) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-10-22 11:21:21,438 INFO L439 ceAbstractionStarter]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2019-10-22 11:21:21,438 INFO L439 ceAbstractionStarter]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2019-10-22 11:21:21,438 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,438 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-10-22 11:21:21,438 INFO L443 ceAbstractionStarter]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-10-22 11:21:21,438 INFO L443 ceAbstractionStarter]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-10-22 11:21:21,438 INFO L443 ceAbstractionStarter]: For program point L635-3(lines 635 643) no Hoare annotation was computed. [2019-10-22 11:21:21,438 INFO L443 ceAbstractionStarter]: For program point L635-4(lines 635 643) no Hoare annotation was computed. [2019-10-22 11:21:21,438 INFO L443 ceAbstractionStarter]: For program point L635-5(lines 635 643) no Hoare annotation was computed. [2019-10-22 11:21:21,438 INFO L446 ceAbstractionStarter]: At program point L174(lines 155 177) the Hoare annotation is: true [2019-10-22 11:21:21,438 INFO L439 ceAbstractionStarter]: At program point L141(lines 137 143) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,439 INFO L439 ceAbstractionStarter]: At program point L802(lines 787 805) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32))) [2019-10-22 11:21:21,439 INFO L439 ceAbstractionStarter]: At program point L802-1(lines 787 805) the Hoare annotation is: false [2019-10-22 11:21:21,439 INFO L439 ceAbstractionStarter]: At program point L802-2(lines 787 805) the Hoare annotation is: false [2019-10-22 11:21:21,439 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 885) no Hoare annotation was computed. [2019-10-22 11:21:21,439 INFO L439 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2) (and .cse2 (and .cse3 .cse1 (not (= ~systemActive~0 (_ bv0 32))))) (and (and .cse3 .cse1 .cse0) .cse2))) [2019-10-22 11:21:21,439 INFO L439 ceAbstractionStarter]: At program point L606-1(lines 606 612) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))))) [2019-10-22 11:21:21,439 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 612) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,439 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:21:21,440 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-10-22 11:21:21,440 INFO L443 ceAbstractionStarter]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2019-10-22 11:21:21,440 INFO L443 ceAbstractionStarter]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2019-10-22 11:21:21,440 INFO L443 ceAbstractionStarter]: For program point L841(lines 840 889) no Hoare annotation was computed. [2019-10-22 11:21:21,440 INFO L439 ceAbstractionStarter]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 (not (= ~systemActive~0 (_ bv0 32))) .cse4) (and .cse1 .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-10-22 11:21:21,440 INFO L439 ceAbstractionStarter]: At program point L974-1(lines 969 977) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:21,440 INFO L439 ceAbstractionStarter]: At program point L974-2(lines 969 977) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:21:21,440 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 846) no Hoare annotation was computed. [2019-10-22 11:21:21,440 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-10-22 11:21:21,440 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-10-22 11:21:21,441 INFO L443 ceAbstractionStarter]: For program point L578-2(line 578) no Hoare annotation was computed. [2019-10-22 11:21:21,441 INFO L439 ceAbstractionStarter]: At program point L942(lines 937 945) the Hoare annotation is: false [2019-10-22 11:21:21,442 INFO L439 ceAbstractionStarter]: At program point L942-1(lines 937 945) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:21:21,442 INFO L439 ceAbstractionStarter]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2019-10-22 11:21:21,442 INFO L439 ceAbstractionStarter]: At program point L942-3(lines 937 945) the Hoare annotation is: false [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 816) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L439 ceAbstractionStarter]: At program point L942-4(lines 937 945) the Hoare annotation is: false [2019-10-22 11:21:21,442 INFO L439 ceAbstractionStarter]: At program point L810-1(lines 810 816) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse0 .cse1) .cse2) (and (and .cse1 .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2))) [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L439 ceAbstractionStarter]: At program point L942-5(lines 937 945) the Hoare annotation is: false [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-3(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-5(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-6(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-8(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-9(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-11(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-12(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-14(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-22 11:21:21,442 INFO L443 ceAbstractionStarter]: For program point L777-15(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,443 INFO L443 ceAbstractionStarter]: For program point L777-17(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:21,443 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-22 11:21:21,443 INFO L439 ceAbstractionStarter]: At program point L878-1(lines 599 605) the Hoare annotation is: (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) .cse2) (and (and .cse3 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2) (and (and .cse0 .cse1 .cse3) .cse2))) [2019-10-22 11:21:21,443 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:21,443 INFO L439 ceAbstractionStarter]: At program point L783(lines 768 786) the Hoare annotation is: false [2019-10-22 11:21:21,443 INFO L439 ceAbstractionStarter]: At program point L783-1(lines 768 786) the Hoare annotation is: (let ((.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 (and .cse0 .cse2)) .cse3))) [2019-10-22 11:21:21,443 INFO L439 ceAbstractionStarter]: At program point L783-2(lines 768 786) the Hoare annotation is: false [2019-10-22 11:21:21,443 INFO L439 ceAbstractionStarter]: At program point L783-3(lines 768 786) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,443 INFO L439 ceAbstractionStarter]: At program point L783-4(lines 768 786) the Hoare annotation is: false [2019-10-22 11:21:21,443 INFO L439 ceAbstractionStarter]: At program point L783-5(lines 768 786) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,443 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,443 INFO L443 ceAbstractionStarter]: For program point L982(lines 982 988) no Hoare annotation was computed. [2019-10-22 11:21:21,443 INFO L443 ceAbstractionStarter]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L439 ceAbstractionStarter]: At program point L850-1(lines 850 856) the Hoare annotation is: (let ((.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and (and .cse3 (and .cse2 .cse6 .cse7)) .cse5) (and .cse2 .cse3 .cse7 .cse5 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and (and .cse0 (and .cse2 .cse6) .cse3) .cse5) (and (and .cse0 .cse1 .cse3 .cse6 .cse4) .cse5))) [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2019-10-22 11:21:21,444 INFO L439 ceAbstractionStarter]: At program point L719(lines 712 722) the Hoare annotation is: false [2019-10-22 11:21:21,444 INFO L439 ceAbstractionStarter]: At program point L719-1(lines 712 722) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:21:21,444 INFO L439 ceAbstractionStarter]: At program point L719-2(lines 712 722) the Hoare annotation is: false [2019-10-22 11:21:21,444 INFO L439 ceAbstractionStarter]: At program point L719-3(lines 712 722) the Hoare annotation is: false [2019-10-22 11:21:21,444 INFO L439 ceAbstractionStarter]: At program point L719-4(lines 712 722) the Hoare annotation is: false [2019-10-22 11:21:21,444 INFO L439 ceAbstractionStarter]: At program point L719-5(lines 712 722) the Hoare annotation is: false [2019-10-22 11:21:21,444 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:21:21,445 INFO L439 ceAbstractionStarter]: At program point L556-1(lines 1 1000) the Hoare annotation is: (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and (and .cse2 (and .cse3 .cse6 .cse7)) .cse4) (and .cse2 .cse3 .cse7 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))))) [2019-10-22 11:21:21,446 INFO L443 ceAbstractionStarter]: For program point L556-2(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:21:21,446 INFO L439 ceAbstractionStarter]: At program point L556-3(lines 1 1000) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,446 INFO L443 ceAbstractionStarter]: For program point L556-4(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:21:21,446 INFO L439 ceAbstractionStarter]: At program point L556-5(lines 1 1000) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,446 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-10-22 11:21:21,446 INFO L443 ceAbstractionStarter]: For program point L94-1(lines 599 605) no Hoare annotation was computed. [2019-10-22 11:21:21,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:21,446 INFO L439 ceAbstractionStarter]: At program point L987(lines 978 991) the Hoare annotation is: false [2019-10-22 11:21:21,446 INFO L439 ceAbstractionStarter]: At program point L987-1(lines 978 991) the Hoare annotation is: (let ((.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse2 (and .cse1 .cse3)) .cse0))) [2019-10-22 11:21:21,446 INFO L439 ceAbstractionStarter]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2019-10-22 11:21:21,446 INFO L439 ceAbstractionStarter]: At program point L987-3(lines 978 991) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,446 INFO L439 ceAbstractionStarter]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2019-10-22 11:21:21,447 INFO L439 ceAbstractionStarter]: At program point L987-5(lines 978 991) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 657 674) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L657-2(lines 657 674) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L439 ceAbstractionStarter]: At program point L890(lines 839 891) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))))) [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 1000) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L446 ceAbstractionStarter]: At program point L165-1(lines 165 172) the Hoare annotation is: true [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:21:21,447 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L443 ceAbstractionStarter]: For program point L661-1(lines 661 669) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L443 ceAbstractionStarter]: For program point L694-4(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L443 ceAbstractionStarter]: For program point L694-6(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L443 ceAbstractionStarter]: For program point L694-8(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L443 ceAbstractionStarter]: For program point L694-10(lines 694 700) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L443 ceAbstractionStarter]: For program point L860(lines 860 866) no Hoare annotation was computed. [2019-10-22 11:21:21,448 INFO L439 ceAbstractionStarter]: At program point L860-1(lines 860 866) the Hoare annotation is: (let ((.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and (and .cse3 (and .cse2 .cse6 .cse7)) .cse5) (and .cse2 .cse3 .cse7 .cse5 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32))) (and (and .cse0 (and .cse2 .cse6) .cse3) .cse5) (and (and .cse0 .cse1 .cse3 .cse6 .cse4) .cse5))) [2019-10-22 11:21:21,448 INFO L439 ceAbstractionStarter]: At program point L728(lines 723 731) the Hoare annotation is: false [2019-10-22 11:21:21,448 INFO L439 ceAbstractionStarter]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2019-10-22 11:21:21,448 INFO L439 ceAbstractionStarter]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2019-10-22 11:21:21,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:21 BoogieIcfgContainer [2019-10-22 11:21:21,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:21,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:21,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:21,497 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:21,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:04" (3/4) ... [2019-10-22 11:21:21,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:21,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:21:21,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:21:21,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:21:21,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:21:21,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:21,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:21:21,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && !(tmp == 0bv32)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(tmp == 0bv32))) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2019-10-22 11:21:21,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2019-10-22 11:21:21,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2019-10-22 11:21:21,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) [2019-10-22 11:21:21,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2019-10-22 11:21:21,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) [2019-10-22 11:21:21,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) [2019-10-22 11:21:21,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) [2019-10-22 11:21:21,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:21,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32))) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) [2019-10-22 11:21:21,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:21:21,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) [2019-10-22 11:21:21,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) [2019-10-22 11:21:21,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && (((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) [2019-10-22 11:21:21,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:21:21,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(systemActive == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32 [2019-10-22 11:21:21,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) [2019-10-22 11:21:21,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2019-10-22 11:21:21,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result [2019-10-22 11:21:21,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result [2019-10-22 11:21:21,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aaef079d-6a75-4aa3-a63d-b5dfaff6f039/bin/utaipan/witness.graphml [2019-10-22 11:21:21,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:21,653 INFO L168 Benchmark]: Toolchain (without parser) took 18663.29 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.7 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -53.6 MB). Peak memory consumption was 318.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:21,653 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:21,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:21,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:21,654 INFO L168 Benchmark]: Boogie Preprocessor took 49.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:21,654 INFO L168 Benchmark]: RCFGBuilder took 1057.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:21,655 INFO L168 Benchmark]: TraceAbstraction took 16716.69 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 206.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 414.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:21,655 INFO L168 Benchmark]: Witness Printer took 155.12 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:21,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1057.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16716.69 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 206.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 414.3 MB. Max. memory is 11.5 GB. * Witness Printer took 155.12 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (1bv32 == \result && (((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && !(tmp == 0bv32)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(tmp == 0bv32))) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: ((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(systemActive == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32)) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32))) || (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((1bv32 == \result && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) || ((((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 16.6s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, HoareTripleCheckerStatistics: 2277 SDtfs, 5961 SDslu, 6201 SDs, 0 SdLazy, 1122 SolverSat, 283 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1081 GetRequests, 984 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 3855 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 234 NumberOfFragments, 1228 HoareAnnotationTreeSize, 56 FomulaSimplifications, 520511 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 53730 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 520 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1016 ConstructedInterpolants, 0 QuantifiedInterpolants, 110187 SizeOfPredicates, 45 NumberOfNonLiveVariables, 2560 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 250/286 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...