./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.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_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/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 35186e76d3512165346b803182d73298e94993df ....................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:11:57,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:11:57,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:11:57,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:11:57,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:11:57,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:11:57,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:11:57,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:11:57,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:11:57,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:11:57,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:11:57,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:11:57,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:11:57,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:11:57,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:11:57,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:11:57,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:11:57,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:11:57,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:11:57,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:11:57,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:11:57,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:11:57,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:11:57,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:11:57,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:11:57,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:11:57,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:11:57,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:11:57,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:11:57,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:11:57,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:11:57,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:11:57,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:11:57,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:11:57,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:11:57,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:11:57,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:11:57,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:11:57,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:11:57,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:11:57,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:11:57,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:11:57,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:11:57,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:11:57,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:11:57,427 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:11:57,427 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:11:57,427 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:11:57,427 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:11:57,428 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:11:57,428 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:11:57,428 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:11:57,428 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:11:57,428 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:11:57,429 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:11:57,429 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:11:57,429 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:11:57,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:11:57,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:11:57,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:11:57,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:11:57,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:11:57,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:11:57,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:11:57,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:11:57,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:11:57,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:11:57,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:11:57,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:11:57,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:11:57,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:11:57,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:11:57,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:11:57,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:11:57,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:11:57,433 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:11:57,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:11:57,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:11:57,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:11:57,434 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_22c9340f-69bc-4ca8-b7ce-9000797ee899/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 -> 35186e76d3512165346b803182d73298e94993df [2019-11-26 02:11:57,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:11:57,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:11:57,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:11:57,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:11:57,583 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:11:57,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2019-11-26 02:11:57,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/data/2ed7569d6/d0593b5a694d487883daf773b13354b3/FLAG52a790473 [2019-11-26 02:11:58,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:11:58,137 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2019-11-26 02:11:58,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/data/2ed7569d6/d0593b5a694d487883daf773b13354b3/FLAG52a790473 [2019-11-26 02:11:58,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/data/2ed7569d6/d0593b5a694d487883daf773b13354b3 [2019-11-26 02:11:58,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:11:58,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:11:58,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:11:58,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:11:58,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:11:58,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d40d508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:58, skipping insertion in model container [2019-11-26 02:11:58,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:11:58" (1/1) ... [2019-11-26 02:11:58,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:11:58,665 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:11:59,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:11:59,034 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:11:59,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:11:59,160 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:11:59,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59 WrapperNode [2019-11-26 02:11:59,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:11:59,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:11:59,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:11:59,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:11:59,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:11:59,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:11:59,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:11:59,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:11:59,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... [2019-11-26 02:11:59,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:11:59,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:11:59,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:11:59,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:11:59,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/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 02:11:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:11:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:11:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:11:59,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:12:01,061 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:12:01,062 INFO L284 CfgBuilder]: Removed 126 assume(true) statements. [2019-11-26 02:12:01,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:01 BoogieIcfgContainer [2019-11-26 02:12:01,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:12:01,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:12:01,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:12:01,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:12:01,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:11:58" (1/3) ... [2019-11-26 02:12:01,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ed974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:12:01, skipping insertion in model container [2019-11-26 02:12:01,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:11:59" (2/3) ... [2019-11-26 02:12:01,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ed974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:12:01, skipping insertion in model container [2019-11-26 02:12:01,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:01" (3/3) ... [2019-11-26 02:12:01,070 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product44.cil.c [2019-11-26 02:12:01,079 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:12:01,085 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:12:01,095 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:12:01,118 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:12:01,118 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:12:01,118 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:12:01,118 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:12:01,119 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:12:01,119 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:12:01,119 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:12:01,119 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:12:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:12:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:12:01,142 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:12:01,143 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:12:01,144 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:12:01,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:12:01,149 INFO L82 PathProgramCache]: Analyzing trace with hash -468566530, now seen corresponding path program 1 times [2019-11-26 02:12:01,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:12:01,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495710573] [2019-11-26 02:12:01,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:12:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:12:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:12:01,843 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:12:01,844 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:12:01,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:12:01 BoogieIcfgContainer [2019-11-26 02:12:01,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:12:01,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:12:01,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:12:01,912 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:12:01,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:01" (3/4) ... [2019-11-26 02:12:01,916 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:12:02,002 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_22c9340f-69bc-4ca8-b7ce-9000797ee899/bin/utaipan/witness.graphml [2019-11-26 02:12:02,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:12:02,004 INFO L168 Benchmark]: Toolchain (without parser) took 3397.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 943.4 MB in the beginning and 868.5 MB in the end (delta: 74.8 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,005 INFO L168 Benchmark]: CDTParser took 0.16 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 02:12:02,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.05 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 02:12:02,006 INFO L168 Benchmark]: Boogie Preprocessor took 48.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,007 INFO L168 Benchmark]: RCFGBuilder took 1786.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.3 MB in the end (delta: 174.4 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,007 INFO L168 Benchmark]: TraceAbstraction took 847.26 ms. Allocated memory is still 1.2 GB. Free memory was 941.3 MB in the beginning and 875.2 MB in the end (delta: 66.2 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,008 INFO L168 Benchmark]: Witness Printer took 90.74 ms. Allocated memory is still 1.2 GB. Free memory was 875.2 MB in the beginning and 868.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:02,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 551.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.05 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. * Boogie Preprocessor took 48.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1786.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.3 MB in the end (delta: 174.4 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 847.26 ms. Allocated memory is still 1.2 GB. Free memory was 941.3 MB in the beginning and 875.2 MB in the end (delta: 66.2 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. * Witness Printer took 90.74 ms. Allocated memory is still 1.2 GB. Free memory was 875.2 MB in the beginning and 868.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 318]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L185] int waterLevel = 1; [L186] int methaneLevelCritical = 0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; [L492] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L305] int retValue_acc ; [L308] retValue_acc = 1 [L309] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L887] int splverifierCounter ; [L888] int tmp ; [L889] int tmp___0 ; [L890] int tmp___1 ; [L891] int tmp___2 ; [L894] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L898] COND TRUE splverifierCounter < 4 [L904] tmp = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp) [L203] COND TRUE waterLevel < 2 [L204] waterLevel = waterLevel + 1 [L914] tmp___0 = __VERIFIER_nondet_int() [L916] COND FALSE !(\read(tmp___0)) [L924] tmp___2 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___2)) [L932] tmp___1 = __VERIFIER_nondet_int() [L934] COND TRUE \read(tmp___1) [L866] COND FALSE !(\read(pumpRunning)) [L873] systemActive = 0 [L700] COND FALSE !(\read(pumpRunning)) [L707] COND FALSE !(\read(systemActive)) [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L224] int retValue_acc ; [L227] retValue_acc = methaneLevelCritical [L228] return (retValue_acc); [L155] tmp = isMethaneLevelCritical() [L157] COND FALSE !(\read(tmp)) [L256] int retValue_acc ; [L259] retValue_acc = waterLevel [L260] return (retValue_acc); [L161] tmp___0 = getWaterLevel() [L163] COND TRUE tmp___0 == 2 [L799] int retValue_acc ; [L802] retValue_acc = pumpRunning [L803] return (retValue_acc); [L165] tmp___1 = isPumpRunning() [L167] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L318] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...