./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.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_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:58:56,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:58:56,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:58:56,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:58:56,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:58:56,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:58:56,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:58:56,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:58:56,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:58:56,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:58:56,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:58:56,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:58:56,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:58:56,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:58:56,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:58:56,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:58:56,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:58:56,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:58:56,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:58:56,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:58:56,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:58:56,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:58:56,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:58:56,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:58:56,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:58:56,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:58:56,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:58:56,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:58:56,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:58:56,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:58:56,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:58:56,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:58:56,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:58:56,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:58:56,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:58:56,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:58:56,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:58:56,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:58:56,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:58:56,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:58:56,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:58:56,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:58:56,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:58:56,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:58:56,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:58:56,365 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:58:56,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:58:56,365 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:58:56,365 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:58:56,366 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:58:56,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:58:56,366 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:58:56,366 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:58:56,366 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:58:56,367 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:58:56,367 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:58:56,367 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:58:56,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:58:56,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:58:56,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:58:56,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:58:56,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:58:56,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:58:56,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:58:56,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:58:56,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:58:56,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:58:56,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:58:56,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:58:56,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:58:56,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:58:56,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:58:56,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:58:56,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:58:56,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:58:56,371 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:58:56,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:58:56,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:58:56,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:58:56,372 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_4c157a1a-2945-41e2-be31-fef89925bc77/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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2019-11-26 02:58:56,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:58:56,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:58:56,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:58:56,541 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:58:56,542 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:58:56,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-11-26 02:58:56,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/data/e05108ba8/5add49464fdd414399a743b7aadbcdfd/FLAG873cb7032 [2019-11-26 02:58:57,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:58:57,073 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-11-26 02:58:57,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/data/e05108ba8/5add49464fdd414399a743b7aadbcdfd/FLAG873cb7032 [2019-11-26 02:58:57,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/data/e05108ba8/5add49464fdd414399a743b7aadbcdfd [2019-11-26 02:58:57,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:58:57,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:58:57,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:58:57,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:58:57,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:58:57,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:58:57" (1/1) ... [2019-11-26 02:58:57,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f055b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:57, skipping insertion in model container [2019-11-26 02:58:57,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:58:57" (1/1) ... [2019-11-26 02:58:57,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:58:57,624 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:58:57,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:58:57,951 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:58:58,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:58:58,061 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:58:58,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58 WrapperNode [2019-11-26 02:58:58,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:58:58,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:58:58,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:58:58,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:58:58,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:58:58,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:58:58,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:58:58,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:58:58,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... [2019-11-26 02:58:58,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:58:58,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:58:58,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:58:58,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:58:58,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/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 02:58:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:58:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:58:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:58:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:59:00,376 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:59:00,377 INFO L284 CfgBuilder]: Removed 156 assume(true) statements. [2019-11-26 02:59:00,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:00 BoogieIcfgContainer [2019-11-26 02:59:00,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:59:00,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:59:00,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:59:00,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:59:00,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:58:57" (1/3) ... [2019-11-26 02:59:00,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d8ceec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:59:00, skipping insertion in model container [2019-11-26 02:59:00,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:58" (2/3) ... [2019-11-26 02:59:00,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d8ceec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:59:00, skipping insertion in model container [2019-11-26 02:59:00,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:00" (3/3) ... [2019-11-26 02:59:00,391 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2019-11-26 02:59:00,400 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:59:00,408 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:59:00,418 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:59:00,439 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:59:00,440 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:59:00,440 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:59:00,440 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:59:00,440 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:59:00,440 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:59:00,440 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:59:00,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:59:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:59:00,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:59:00,456 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:59:00,457 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:59:00,457 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:59:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:59:00,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1060636538, now seen corresponding path program 1 times [2019-11-26 02:59:00,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:59:00,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501444715] [2019-11-26 02:59:00,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:59:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:00,854 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 02:59:00,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501444715] [2019-11-26 02:59:00,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:59:00,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:59:00,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369985674] [2019-11-26 02:59:00,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:59:00,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:59:00,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:59:00,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:59:00,876 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 02:59:00,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:59:00,993 INFO L93 Difference]: Finished difference Result 61 states and 87 transitions. [2019-11-26 02:59:00,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:59:00,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:59:00,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:59:01,006 INFO L225 Difference]: With dead ends: 61 [2019-11-26 02:59:01,006 INFO L226 Difference]: Without dead ends: 27 [2019-11-26 02:59:01,011 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 02:59:01,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-26 02:59:01,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-26 02:59:01,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:59:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 02:59:01,046 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 02:59:01,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:59:01,047 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 02:59:01,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:59:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 02:59:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:59:01,048 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:59:01,048 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:59:01,049 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:59:01,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:59:01,049 INFO L82 PathProgramCache]: Analyzing trace with hash -59437706, now seen corresponding path program 1 times [2019-11-26 02:59:01,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:59:01,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734135242] [2019-11-26 02:59:01,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:59:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:01,535 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 02:59:01,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734135242] [2019-11-26 02:59:01,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091253365] [2019-11-26 02:59:01,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/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 02:59:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:01,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-26 02:59:01,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:59:01,977 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-11-26 02:59:02,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,220 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 02:59:02,221 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:59:02,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,257 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:59:02,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:59:02,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,503 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:02,566 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 02:59:02,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1960709820] [2019-11-26 02:59:02,593 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:59:02,595 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:59:02,602 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:59:02,607 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:59:02,608 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:59:11,242 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-26 02:59:13,223 WARN L192 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-26 02:59:13,348 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-26 02:59:13,836 WARN L192 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 577 [2019-11-26 02:59:14,921 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 755 [2019-11-26 02:59:20,297 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:59:22,212 WARN L192 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 366 DAG size of output: 209 [2019-11-26 02:59:26,287 WARN L192 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 484 DAG size of output: 429 [2019-11-26 02:59:27,250 WARN L192 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 154 [2019-11-26 02:59:28,176 WARN L192 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 151 [2019-11-26 02:59:30,011 WARN L192 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 354 DAG size of output: 263 [2019-11-26 02:59:30,113 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:59:30,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:59:30,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 12 [2019-11-26 02:59:30,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686101752] [2019-11-26 02:59:30,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-26 02:59:30,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:59:30,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-26 02:59:30,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2019-11-26 02:59:30,116 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 13 states. [2019-11-26 02:59:31,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:59:31,066 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions. [2019-11-26 02:59:31,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 02:59:31,075 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 10 [2019-11-26 02:59:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:59:31,076 INFO L225 Difference]: With dead ends: 77 [2019-11-26 02:59:31,076 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:59:31,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2019-11-26 02:59:31,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:59:31,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:59:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:59:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:59:31,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 02:59:31,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:59:31,078 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:59:31,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-26 02:59:31,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:59:31,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:59:31,279 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:59:31,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:59:31,854 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:59:31,855 INFO L440 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and .cse1 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse1 .cse0))) [2019-11-26 02:59:31,855 INFO L440 ceAbstractionStarter]: At program point L571(lines 571 584) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (and .cse0 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-11-26 02:59:31,855 INFO L440 ceAbstractionStarter]: At program point L571-1(lines 1 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (and .cse0 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-11-26 02:59:31,855 INFO L440 ceAbstractionStarter]: At program point L571-2(lines 571 584) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and .cse1 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse1 .cse0))) [2019-11-26 02:59:31,855 INFO L440 ceAbstractionStarter]: At program point L571-3(lines 1 953) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and .cse1 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse1 .cse0))) [2019-11-26 02:59:31,855 INFO L440 ceAbstractionStarter]: At program point L571-4(lines 571 584) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and .cse1 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse1 .cse0))) [2019-11-26 02:59:31,856 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:59:31,856 INFO L440 ceAbstractionStarter]: At program point L571-5(lines 1 953) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and .cse1 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse1 .cse0))) [2019-11-26 02:59:31,856 INFO L440 ceAbstractionStarter]: At program point L176(lines 176 180) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (= 1 ~waterLevel~0) .cse0) (and .cse1 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse1 .cse0))) [2019-11-26 02:59:31,856 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-26 02:59:31,856 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-26 02:59:31,856 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-26 02:59:31,856 INFO L440 ceAbstractionStarter]: At program point L474(lines 473 518) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (and .cse0 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-11-26 02:59:31,857 INFO L444 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-11-26 02:59:31,857 INFO L444 ceAbstractionStarter]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2019-11-26 02:59:31,857 INFO L444 ceAbstractionStarter]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2019-11-26 02:59:31,857 INFO L440 ceAbstractionStarter]: At program point L248(lines 248 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 02:59:31,857 INFO L447 ceAbstractionStarter]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2019-11-26 02:59:31,857 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:59:31,857 INFO L440 ceAbstractionStarter]: At program point L519(lines 472 520) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (= 1 ~waterLevel~0) .cse0) (and .cse1 (< 1 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (and .cse1 .cse0))) [2019-11-26 02:59:31,857 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:59:31,857 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:59:31,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:59:31 BoogieIcfgContainer [2019-11-26 02:59:31,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:59:31,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:59:31,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:59:31,872 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:59:31,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:00" (3/4) ... [2019-11-26 02:59:31,875 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:59:31,895 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 115 nodes and edges [2019-11-26 02:59:31,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2019-11-26 02:59:31,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:59:31,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:59:31,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:59:31,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:59:31,902 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:59:32,018 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c157a1a-2945-41e2-be31-fef89925bc77/bin/utaipan/witness.graphml [2019-11-26 02:59:32,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:59:32,019 INFO L168 Benchmark]: Toolchain (without parser) took 34453.51 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 692.6 MB). Free memory was 943.4 MB in the beginning and 903.9 MB in the end (delta: 39.6 MB). Peak memory consumption was 732.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:32,019 INFO L168 Benchmark]: CDTParser took 0.23 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 02:59:32,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:32,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.00 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 02:59:32,020 INFO L168 Benchmark]: Boogie Preprocessor took 66.21 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:32,021 INFO L168 Benchmark]: RCFGBuilder took 2179.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.5 MB in the end (delta: 229.4 MB). Peak memory consumption was 229.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:32,021 INFO L168 Benchmark]: TraceAbstraction took 31490.00 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 568.3 MB). Free memory was 863.5 MB in the beginning and 907.7 MB in the end (delta: -44.2 MB). Peak memory consumption was 524.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:32,021 INFO L168 Benchmark]: Witness Printer took 146.54 ms. Allocated memory is still 1.7 GB. Free memory was 907.7 MB in the beginning and 903.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:32,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 495.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.00 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 66.21 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2179.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.5 MB in the end (delta: 229.4 MB). Peak memory consumption was 229.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31490.00 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 568.3 MB). Free memory was 863.5 MB in the beginning and 907.7 MB in the end (delta: -44.2 MB). Peak memory consumption was 524.1 MB. Max. memory is 11.5 GB. * Witness Printer took 146.54 ms. Allocated memory is still 1.7 GB. Free memory was 907.7 MB in the beginning and 903.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 571]: Loop Invariant Derived loop invariant: (((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((1 == systemActive && 1 < waterLevel) && 2 <= tmp)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((1 == systemActive && 1 < waterLevel) && 2 <= tmp)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((1 == systemActive && 1 < waterLevel) && 2 <= tmp)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((1 == systemActive && 1 < waterLevel) && 2 <= tmp)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((1 == systemActive && 1 < waterLevel) && 2 <= tmp)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((1 <= tmp && 1 == waterLevel) && pumpRunning == 0) || ((1 == systemActive && 1 < waterLevel) && 2 <= tmp)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: ((1 == waterLevel && pumpRunning == 0) || ((1 == systemActive && 1 < waterLevel) && 2 <= tmp)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 < waterLevel) && 2 <= tmp) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 < waterLevel) && 2 <= tmp) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 < waterLevel) && 2 <= tmp) || (1 == systemActive && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 31.4s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 54 SDtfs, 187 SDslu, 94 SDs, 0 SdLazy, 149 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 11.2s 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 81 NumberOfFragments, 259 HoareAnnotationTreeSize, 13 FomulaSimplifications, 846 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 1082 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 4449 SizeOfPredicates, 66 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 32 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...