./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/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 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:44:52,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:44:52,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:44:52,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:44:52,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:44:52,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:44:52,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:44:52,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:44:52,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:44:52,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:44:52,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:44:52,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:44:52,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:44:52,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:44:52,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:44:52,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:44:52,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:44:52,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:44:52,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:44:52,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:44:52,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:44:52,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:44:52,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:44:52,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:44:52,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:44:52,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:44:52,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:44:52,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:44:52,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:44:52,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:44:52,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:44:52,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:44:52,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:44:52,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:44:52,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:44:52,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:44:52,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:44:52,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:44:52,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:44:52,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:44:52,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:44:52,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:44:52,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:44:52,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:44:52,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:44:52,540 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:44:52,540 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:44:52,540 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:44:52,541 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:44:52,541 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:44:52,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:44:52,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:44:52,541 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:44:52,541 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:44:52,542 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:44:52,542 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:44:52,542 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:44:52,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:44:52,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:44:52,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:44:52,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:44:52,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:44:52,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:44:52,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:44:52,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:44:52,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:44:52,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:44:52,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:44:52,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:44:52,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:44:52,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:44:52,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:44:52,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:44:52,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:44:52,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:44:52,546 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:44:52,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:44:52,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:44:52,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:44:52,547 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/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2019-11-26 02:44:52,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:44:52,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:44:52,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:44:52,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:44:52,713 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:44:52,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-11-26 02:44:52,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/data/2a1b19de2/0dd4cc82fce94c0b947a0ae06c79b66e/FLAG4db8bb968 [2019-11-26 02:44:53,253 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:44:53,256 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-11-26 02:44:53,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/data/2a1b19de2/0dd4cc82fce94c0b947a0ae06c79b66e/FLAG4db8bb968 [2019-11-26 02:44:53,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/data/2a1b19de2/0dd4cc82fce94c0b947a0ae06c79b66e [2019-11-26 02:44:53,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:44:53,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:44:53,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:44:53,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:44:53,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:44:53,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:44:53" (1/1) ... [2019-11-26 02:44:53,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9f3ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:53, skipping insertion in model container [2019-11-26 02:44:53,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:44:53" (1/1) ... [2019-11-26 02:44:53,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:44:53,806 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:44:54,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:44:54,123 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:44:54,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:44:54,292 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:44:54,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54 WrapperNode [2019-11-26 02:44:54,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:44:54,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:44:54,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:44:54,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:44:54,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:44:54,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:44:54,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:44:54,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:44:54,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:44:54,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:44:54,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:44:54,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:44:54,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/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 [2019-11-26 02:44:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:44:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:44:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:44:54,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:44:57,735 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:44:57,736 INFO L284 CfgBuilder]: Removed 278 assume(true) statements. [2019-11-26 02:44:57,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:57 BoogieIcfgContainer [2019-11-26 02:44:57,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:44:57,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:44:57,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:44:57,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:44:57,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:44:53" (1/3) ... [2019-11-26 02:44:57,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10905d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:44:57, skipping insertion in model container [2019-11-26 02:44:57,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (2/3) ... [2019-11-26 02:44:57,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10905d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:44:57, skipping insertion in model container [2019-11-26 02:44:57,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:57" (3/3) ... [2019-11-26 02:44:57,744 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2019-11-26 02:44:57,752 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:44:57,759 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:44:57,767 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:44:57,786 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:44:57,787 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:44:57,787 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:44:57,787 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:44:57,787 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:44:57,787 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:44:57,787 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:44:57,787 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:44:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:44:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:44:57,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:44:57,806 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:44:57,806 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:44:57,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:44:57,812 INFO L82 PathProgramCache]: Analyzing trace with hash 798327413, now seen corresponding path program 1 times [2019-11-26 02:44:57,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:44:57,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270897766] [2019-11-26 02:44:57,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:44:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:58,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270897766] [2019-11-26 02:44:58,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:44:58,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:44:58,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953053458] [2019-11-26 02:44:58,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:44:58,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:44:58,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:44:58,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:44:58,246 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 02:44:58,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:44:58,346 INFO L93 Difference]: Finished difference Result 61 states and 87 transitions. [2019-11-26 02:44:58,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:44:58,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:44:58,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:44:58,355 INFO L225 Difference]: With dead ends: 61 [2019-11-26 02:44:58,356 INFO L226 Difference]: Without dead ends: 27 [2019-11-26 02:44:58,358 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:44:58,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-26 02:44:58,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-26 02:44:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:44:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 02:44:58,389 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 02:44:58,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:44:58,390 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 02:44:58,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:44:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 02:44:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:44:58,391 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:44:58,391 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:44:58,391 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:44:58,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:44:58,391 INFO L82 PathProgramCache]: Analyzing trace with hash -722692754, now seen corresponding path program 1 times [2019-11-26 02:44:58,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:44:58,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871974098] [2019-11-26 02:44:58,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:44:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:58,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871974098] [2019-11-26 02:44:58,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670942191] [2019-11-26 02:44:58,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/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 [2019-11-26 02:44:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:58,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-26 02:44:58,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:44:58,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:58,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:58,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:59,166 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:44:59,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:44:59,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:44:59,559 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 19 [2019-11-26 02:44:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:59,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [153694193] [2019-11-26 02:44:59,600 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:44:59,600 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:44:59,608 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:44:59,614 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:44:59,615 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:45:07,820 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-26 02:45:09,487 WARN L192 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-26 02:45:09,624 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-26 02:45:10,291 WARN L192 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 578 [2019-11-26 02:45:11,001 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:45:12,529 WARN L192 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 398 DAG size of output: 210 [2019-11-26 02:45:16,597 WARN L192 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 484 DAG size of output: 429 [2019-11-26 02:45:17,510 WARN L192 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 146 [2019-11-26 02:45:19,310 WARN L192 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 386 DAG size of output: 274 [2019-11-26 02:45:20,921 WARN L192 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 396 DAG size of output: 221 [2019-11-26 02:45:20,926 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:45:20,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:45:20,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2019-11-26 02:45:20,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419456692] [2019-11-26 02:45:20,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-26 02:45:20,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:45:20,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-26 02:45:20,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2019-11-26 02:45:20,929 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 14 states. [2019-11-26 02:45:21,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:45:21,075 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2019-11-26 02:45:21,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:45:21,076 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 10 [2019-11-26 02:45:21,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:45:21,076 INFO L225 Difference]: With dead ends: 34 [2019-11-26 02:45:21,076 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:45:21,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-11-26 02:45:21,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:45:21,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:45:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:45:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:45:21,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 02:45:21,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:45:21,078 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:45:21,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-26 02:45:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:45:21,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:45:21,279 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:45:21,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:45:21,791 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-26 02:45:21,792 INFO L440 ceAbstractionStarter]: At program point L466(lines 466 473) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 02:45:21,792 INFO L447 ceAbstractionStarter]: At program point L466-1(lines 466 473) the Hoare annotation is: true [2019-11-26 02:45:21,792 INFO L444 ceAbstractionStarter]: For program point L367(lines 367 373) no Hoare annotation was computed. [2019-11-26 02:45:21,792 INFO L444 ceAbstractionStarter]: For program point L367-2(lines 367 373) no Hoare annotation was computed. [2019-11-26 02:45:21,792 INFO L444 ceAbstractionStarter]: For program point L367-4(lines 367 373) no Hoare annotation was computed. [2019-11-26 02:45:21,792 INFO L440 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (= 1 ~waterLevel~0) .cse0) (and (= 1 ~systemActive~0) (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse0)))) [2019-11-26 02:45:21,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-26 02:45:21,792 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:45:21,793 INFO L440 ceAbstractionStarter]: At program point L56(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (and .cse0 (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse1)))) [2019-11-26 02:45:21,793 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:45:21,793 INFO L444 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2019-11-26 02:45:21,793 INFO L444 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-11-26 02:45:21,793 INFO L444 ceAbstractionStarter]: For program point L953-2(line 953) no Hoare annotation was computed. [2019-11-26 02:45:21,793 INFO L440 ceAbstractionStarter]: At program point L392-2(lines 392 406) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and (= 1 ~systemActive~0) (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse0)))) [2019-11-26 02:45:21,793 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-26 02:45:21,793 INFO L440 ceAbstractionStarter]: At program point L396(lines 396 400) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and (= 1 ~systemActive~0) (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse0)))) [2019-11-26 02:45:21,794 INFO L440 ceAbstractionStarter]: At program point L363(lines 363 376) the Hoare annotation is: (and (= 1 ~systemActive~0) (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (or (= 1 ~waterLevel~0) (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1)) (= ~pumpRunning~0 0))) [2019-11-26 02:45:21,794 INFO L440 ceAbstractionStarter]: At program point L363-1(lines 1 991) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (and .cse0 (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse1)))) [2019-11-26 02:45:21,794 INFO L440 ceAbstractionStarter]: At program point L363-2(lines 363 376) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and (= 1 ~systemActive~0) (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse0)))) [2019-11-26 02:45:21,794 INFO L440 ceAbstractionStarter]: At program point L363-3(lines 1 991) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and (= 1 ~systemActive~0) (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse0)))) [2019-11-26 02:45:21,794 INFO L440 ceAbstractionStarter]: At program point L363-4(lines 363 376) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and (= 1 ~systemActive~0) (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse0)))) [2019-11-26 02:45:21,794 INFO L440 ceAbstractionStarter]: At program point L363-5(lines 1 991) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and (= 1 ~systemActive~0) (or (and (<= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (<= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (<= ~pumpRunning~0 0)) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (or (= ~pumpRunning~0 1) .cse0)))) [2019-11-26 02:45:21,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:45:21 BoogieIcfgContainer [2019-11-26 02:45:21,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:45:21,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:45:21,811 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:45:21,812 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:45:21,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:57" (3/4) ... [2019-11-26 02:45:21,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:45:21,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 165 nodes and edges [2019-11-26 02:45:21,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2019-11-26 02:45:21,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-26 02:45:21,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:45:21,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:45:21,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:45:21,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:45:21,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9194ca60-f063-4bf3-8ada-2b9fca5fecb9/bin/utaipan/witness.graphml [2019-11-26 02:45:21,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:45:21,977 INFO L168 Benchmark]: Toolchain (without parser) took 28240.56 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 609.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -274.1 MB). Peak memory consumption was 335.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:21,977 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:45:21,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:21,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.10 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. [2019-11-26 02:45:21,978 INFO L168 Benchmark]: Boogie Preprocessor took 57.74 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. [2019-11-26 02:45:21,979 INFO L168 Benchmark]: RCFGBuilder took 3297.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.7 MB). Peak memory consumption was 303.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:21,979 INFO L168 Benchmark]: TraceAbstraction took 24073.15 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 379.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -173.7 MB). Peak memory consumption was 205.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:21,979 INFO L168 Benchmark]: Witness Printer took 164.43 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:21,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 555.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.10 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 57.74 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 3297.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.7 MB). Peak memory consumption was 303.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24073.15 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 379.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -173.7 MB). Peak memory consumption was 205.8 MB. Max. memory is 11.5 GB. * Witness Printer took 164.43 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: 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: 54]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && (1 == waterLevel || 2 == waterLevel)) && tmp == waterLevel) && ((2 <= waterLevel && pumpRunning == 1) || pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) || ((((1 == systemActive && ((0 <= tmp && tmp <= 0) || pumpRunning <= 0)) && 2 == waterLevel) && tmp == waterLevel) && (pumpRunning == 1 || pumpRunning == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 24.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 35 SDtfs, 54 SDslu, 66 SDs, 0 SdLazy, 58 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 36 NumberOfFragments, 396 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 112 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 3279 SizeOfPredicates, 42 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/9 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...