./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.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_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/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 44f1ef45a377efa065428e9ab52d4697ba35b901 ............................................................................................................................................................................................................................................................................................................................................................................ 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 02:16:33,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:16:33,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:16:33,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:16:33,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:16:33,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:16:33,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:16:33,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:16:33,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:16:33,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:16:33,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:16:33,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:16:33,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:16:33,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:16:33,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:16:33,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:16:33,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:16:33,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:16:33,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:16:33,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:16:33,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:16:33,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:16:33,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:16:33,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:16:33,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:16:33,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:16:33,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:16:33,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:16:33,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:16:33,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:16:33,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:16:33,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:16:33,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:16:33,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:16:33,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:16:33,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:16:33,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:16:33,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:16:33,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:16:33,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:16:33,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:16:33,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:16:33,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:16:33,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:16:33,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:16:33,311 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:16:33,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:16:33,311 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:16:33,311 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:16:33,311 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:16:33,311 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:16:33,312 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:16:33,312 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:16:33,312 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:16:33,312 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:16:33,312 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:16:33,313 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:16:33,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:16:33,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:16:33,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:16:33,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:16:33,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:16:33,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:16:33,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:16:33,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:16:33,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:16:33,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:16:33,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:16:33,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:16:33,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:16:33,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:16:33,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:16:33,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:16:33,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:16:33,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:16:33,316 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:16:33,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:16:33,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:16:33,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:16:33,317 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_fea001a7-4328-42b3-9598-bf9611ad8cef/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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2019-11-26 02:16:33,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:16:33,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:16:33,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:16:33,514 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:16:33,514 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:16:33,515 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-11-26 02:16:33,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/data/b9228e063/8b9ca18846a749e59e9900e6815306b8/FLAG1c12a9d63 [2019-11-26 02:16:34,008 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:16:34,008 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-11-26 02:16:34,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/data/b9228e063/8b9ca18846a749e59e9900e6815306b8/FLAG1c12a9d63 [2019-11-26 02:16:34,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/data/b9228e063/8b9ca18846a749e59e9900e6815306b8 [2019-11-26 02:16:34,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:16:34,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:16:34,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:16:34,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:16:34,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:16:34,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:16:34" (1/1) ... [2019-11-26 02:16:34,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e00945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:34, skipping insertion in model container [2019-11-26 02:16:34,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:16:34" (1/1) ... [2019-11-26 02:16:34,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:16:34,606 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:16:34,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:16:34,916 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:16:35,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:16:35,051 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:16:35,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35 WrapperNode [2019-11-26 02:16:35,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:16:35,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:16:35,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:16:35,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:16:35,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:16:35,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:16:35,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:16:35,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:16:35,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... [2019-11-26 02:16:35,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:16:35,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:16:35,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:16:35,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:16:35,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/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 02:16:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:16:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:16:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:16:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:16:36,452 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:16:36,452 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-26 02:16:36,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:16:36 BoogieIcfgContainer [2019-11-26 02:16:36,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:16:36,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:16:36,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:16:36,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:16:36,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:16:34" (1/3) ... [2019-11-26 02:16:36,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d73fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:16:36, skipping insertion in model container [2019-11-26 02:16:36,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:35" (2/3) ... [2019-11-26 02:16:36,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d73fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:16:36, skipping insertion in model container [2019-11-26 02:16:36,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:16:36" (3/3) ... [2019-11-26 02:16:36,465 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2019-11-26 02:16:36,475 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:16:36,483 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:16:36,494 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:16:36,517 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:16:36,517 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:16:36,517 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:16:36,518 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:16:36,518 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:16:36,518 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:16:36,518 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:16:36,518 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:16:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:16:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:16:36,535 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:16:36,535 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:16:36,536 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:16:36,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:16:36,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1677286797, now seen corresponding path program 1 times [2019-11-26 02:16:36,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:16:36,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452819090] [2019-11-26 02:16:36,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:16:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:16:36,838 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 02:16:36,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452819090] [2019-11-26 02:16:36,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:16:36,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:16:36,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766139022] [2019-11-26 02:16:36,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:16:36,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:16:36,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:16:36,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:16:36,860 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 02:16:36,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:16:36,946 INFO L93 Difference]: Finished difference Result 67 states and 94 transitions. [2019-11-26 02:16:36,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:16:36,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:16:36,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:16:36,957 INFO L225 Difference]: With dead ends: 67 [2019-11-26 02:16:36,957 INFO L226 Difference]: Without dead ends: 31 [2019-11-26 02:16:36,960 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 02:16:36,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-26 02:16:36,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2019-11-26 02:16:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:16:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 02:16:36,994 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 02:16:36,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:16:36,995 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 02:16:36,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:16:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 02:16:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:16:36,996 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:16:36,997 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:16:36,997 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:16:36,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:16:36,998 INFO L82 PathProgramCache]: Analyzing trace with hash -510366614, now seen corresponding path program 1 times [2019-11-26 02:16:36,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:16:36,998 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637772578] [2019-11-26 02:16:36,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:16:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:16:37,216 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 02:16:37,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637772578] [2019-11-26 02:16:37,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138092637] [2019-11-26 02:16:37,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/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 02:16:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:16:37,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 02:16:37,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:16:37,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:16:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:16:37,458 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:16:37,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:16:37,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:16:37,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:16:37,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:16:37,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:16:37,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:16:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:16:37,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-26 02:16:37,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2019-11-26 02:16:37,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696972284] [2019-11-26 02:16:37,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:16:37,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:16:37,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:16:37,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:16:37,517 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2019-11-26 02:16:37,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:16:37,577 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-26 02:16:37,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:16:37,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-26 02:16:37,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:16:37,579 INFO L225 Difference]: With dead ends: 31 [2019-11-26 02:16:37,579 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:16:37,580 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:16:37,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:16:37,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:16:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:16:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:16:37,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 02:16:37,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:16:37,581 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:16:37,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:16:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:16:37,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:16:37,787 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:16:37,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:16:37,846 INFO L444 ceAbstractionStarter]: For program point L514-2(lines 514 520) no Hoare annotation was computed. [2019-11-26 02:16:37,846 INFO L444 ceAbstractionStarter]: For program point L514-4(lines 514 520) no Hoare annotation was computed. [2019-11-26 02:16:37,846 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-11-26 02:16:37,847 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:16:37,847 INFO L440 ceAbstractionStarter]: At program point L616(lines 616 623) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 02:16:37,847 INFO L447 ceAbstractionStarter]: At program point L616-1(lines 616 623) the Hoare annotation is: true [2019-11-26 02:16:37,847 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:16:37,847 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-11-26 02:16:37,848 INFO L440 ceAbstractionStarter]: At program point L540-2(lines 540 554) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,848 INFO L440 ceAbstractionStarter]: At program point L838(lines 791 839) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,848 INFO L440 ceAbstractionStarter]: At program point L510(lines 510 523) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,848 INFO L440 ceAbstractionStarter]: At program point L510-1(lines 1 880) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,848 INFO L440 ceAbstractionStarter]: At program point L510-2(lines 510 523) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,848 INFO L440 ceAbstractionStarter]: At program point L510-3(lines 1 880) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,849 INFO L440 ceAbstractionStarter]: At program point L510-4(lines 510 523) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,849 INFO L440 ceAbstractionStarter]: At program point L510-5(lines 1 880) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,849 INFO L440 ceAbstractionStarter]: At program point L544(lines 544 548) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,849 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-11-26 02:16:37,849 INFO L440 ceAbstractionStarter]: At program point L793(lines 792 837) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:16:37,849 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-26 02:16:37,849 INFO L444 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-11-26 02:16:37,850 INFO L444 ceAbstractionStarter]: For program point L496-2(line 496) no Hoare annotation was computed. [2019-11-26 02:16:37,850 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2019-11-26 02:16:37,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:16:37 BoogieIcfgContainer [2019-11-26 02:16:37,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:16:37,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:16:37,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:16:37,871 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:16:37,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:16:36" (3/4) ... [2019-11-26 02:16:37,875 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:16:37,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2019-11-26 02:16:37,904 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-26 02:16:37,905 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:16:37,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:16:37,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:16:37,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:16:37,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:16:38,009 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fea001a7-4328-42b3-9598-bf9611ad8cef/bin/utaipan/witness.graphml [2019-11-26 02:16:38,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:16:38,011 INFO L168 Benchmark]: Toolchain (without parser) took 3474.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 942.0 MB in the beginning and 876.5 MB in the end (delta: 65.6 MB). Peak memory consumption was 200.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:16:38,012 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:16:38,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:16:38,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.77 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:16:38,013 INFO L168 Benchmark]: Boogie Preprocessor took 63.69 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. [2019-11-26 02:16:38,013 INFO L168 Benchmark]: RCFGBuilder took 1267.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:16:38,014 INFO L168 Benchmark]: TraceAbstraction took 1416.81 ms. Allocated memory is still 1.2 GB. Free memory was 993.1 MB in the beginning and 881.8 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:16:38,014 INFO L168 Benchmark]: Witness Printer took 138.65 ms. Allocated memory is still 1.2 GB. Free memory was 881.8 MB in the beginning and 876.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:16:38,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 511.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.77 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.69 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 1267.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1416.81 ms. Allocated memory is still 1.2 GB. Free memory was 993.1 MB in the beginning and 881.8 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * Witness Printer took 138.65 ms. Allocated memory is still 1.2 GB. Free memory was 881.8 MB in the beginning and 876.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: 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: 792]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 44 SDslu, 47 SDs, 0 SdLazy, 38 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s 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, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 44 NumberOfFragments, 39 HoareAnnotationTreeSize, 13 FomulaSimplifications, 154 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1368 SizeOfPredicates, 11 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 5/9 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...