./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:24:46,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:46,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:46,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:46,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:46,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:46,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:46,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:46,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:46,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:46,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:46,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:46,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:46,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:46,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:46,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:46,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:46,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:46,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:46,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:46,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:46,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:46,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:46,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:46,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:46,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:46,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:46,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:46,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:46,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:46,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:46,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:46,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:46,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:46,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:46,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:46,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:46,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:46,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:46,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:46,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:46,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:46,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:46,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:46,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:46,540 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:46,540 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:46,540 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:46,540 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:46,540 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:46,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:46,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:46,541 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:46,541 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:46,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:46,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:46,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:46,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:46,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:46,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:46,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:46,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:46,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:46,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:46,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:46,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:46,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:46,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:46,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:46,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:46,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:46,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:46,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:46,548 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:46,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:46,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:46,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:46,548 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2019-10-22 11:24:46,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:46,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:46,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:46,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:46,592 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:46,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-10-22 11:24:46,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/data/930392e56/03b5c3e24c51493fbf34763418ffee9a/FLAG87301b797 [2019-10-22 11:24:47,135 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:47,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-10-22 11:24:47,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/data/930392e56/03b5c3e24c51493fbf34763418ffee9a/FLAG87301b797 [2019-10-22 11:24:47,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/data/930392e56/03b5c3e24c51493fbf34763418ffee9a [2019-10-22 11:24:47,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:47,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:47,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:47,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:47,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:47,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9160ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47, skipping insertion in model container [2019-10-22 11:24:47,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,647 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:47,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:48,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:48,204 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:48,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:48,312 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:48,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48 WrapperNode [2019-10-22 11:24:48,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:48,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:48,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:48,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:48,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:48,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:48,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:48,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:48,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:48,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:48,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:48,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:48,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:49,223 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:49,223 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 11:24:49,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:49 BoogieIcfgContainer [2019-10-22 11:24:49,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:49,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:49,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:49,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:49,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:47" (1/3) ... [2019-10-22 11:24:49,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c65c357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:49, skipping insertion in model container [2019-10-22 11:24:49,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48" (2/3) ... [2019-10-22 11:24:49,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c65c357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:49, skipping insertion in model container [2019-10-22 11:24:49,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:49" (3/3) ... [2019-10-22 11:24:49,234 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2019-10-22 11:24:49,246 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:49,257 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:49,269 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:49,303 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:49,304 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:49,304 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:49,304 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:49,304 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:49,305 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:49,305 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:49,305 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-10-22 11:24:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:24:49,335 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:49,336 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:49,338 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:49,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:49,346 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2019-10-22 11:24:49,356 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:49,356 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193853619] [2019-10-22 11:24:49,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:49,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:49,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:49,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193853619] [2019-10-22 11:24:49,652 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:49,652 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:49,653 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478671742] [2019-10-22 11:24:49,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:49,660 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:49,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:49,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:49,679 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-10-22 11:24:49,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:49,714 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-10-22 11:24:49,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:49,716 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:24:49,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:49,726 INFO L225 Difference]: With dead ends: 148 [2019-10-22 11:24:49,726 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 11:24:49,730 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:49,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 11:24:49,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-10-22 11:24:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:24:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-10-22 11:24:49,773 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-10-22 11:24:49,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:49,773 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-10-22 11:24:49,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-10-22 11:24:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:24:49,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:49,774 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:49,775 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:49,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:49,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2019-10-22 11:24:49,776 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:49,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581013202] [2019-10-22 11:24:49,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:49,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:49,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:49,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581013202] [2019-10-22 11:24:49,953 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:49,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:49,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237727602] [2019-10-22 11:24:49,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:49,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:49,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:49,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:49,958 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-10-22 11:24:49,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:49,972 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-10-22 11:24:49,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:49,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:24:49,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:49,976 INFO L225 Difference]: With dead ends: 73 [2019-10-22 11:24:49,976 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 11:24:49,977 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:49,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 11:24:49,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 11:24:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 11:24:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-10-22 11:24:49,982 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-10-22 11:24:49,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:49,983 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-10-22 11:24:49,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-10-22 11:24:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:24:49,984 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:49,984 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:49,985 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:49,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:49,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2019-10-22 11:24:49,985 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:49,985 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528758560] [2019-10-22 11:24:49,986 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:49,986 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:49,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:50,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528758560] [2019-10-22 11:24:50,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:50,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:50,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169380298] [2019-10-22 11:24:50,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:50,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:50,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:50,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:50,109 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-10-22 11:24:50,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:50,210 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-10-22 11:24:50,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:50,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 11:24:50,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:50,212 INFO L225 Difference]: With dead ends: 87 [2019-10-22 11:24:50,212 INFO L226 Difference]: Without dead ends: 58 [2019-10-22 11:24:50,213 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:24:50,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-10-22 11:24:50,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2019-10-22 11:24:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-10-22 11:24:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-10-22 11:24:50,223 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-10-22 11:24:50,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:50,223 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-10-22 11:24:50,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-10-22 11:24:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:24:50,225 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:50,225 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:50,225 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:50,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:50,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2019-10-22 11:24:50,226 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:50,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711827796] [2019-10-22 11:24:50,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:50,227 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:50,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:50,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711827796] [2019-10-22 11:24:50,326 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:50,326 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:50,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031270094] [2019-10-22 11:24:50,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:50,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:50,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:50,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:50,327 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2019-10-22 11:24:50,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:50,461 INFO L93 Difference]: Finished difference Result 199 states and 302 transitions. [2019-10-22 11:24:50,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:50,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:24:50,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:50,464 INFO L225 Difference]: With dead ends: 199 [2019-10-22 11:24:50,464 INFO L226 Difference]: Without dead ends: 151 [2019-10-22 11:24:50,465 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:24:50,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-22 11:24:50,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 96. [2019-10-22 11:24:50,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-22 11:24:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2019-10-22 11:24:50,491 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 23 [2019-10-22 11:24:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:50,492 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2019-10-22 11:24:50,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2019-10-22 11:24:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:24:50,493 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:50,493 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:50,493 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:50,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:50,494 INFO L82 PathProgramCache]: Analyzing trace with hash 255216756, now seen corresponding path program 1 times [2019-10-22 11:24:50,494 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:50,494 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899071349] [2019-10-22 11:24:50,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:50,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:50,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:50,575 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899071349] [2019-10-22 11:24:50,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:50,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:50,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255356382] [2019-10-22 11:24:50,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:50,576 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:50,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:50,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:50,577 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand 5 states. [2019-10-22 11:24:50,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:50,645 INFO L93 Difference]: Finished difference Result 236 states and 349 transitions. [2019-10-22 11:24:50,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:50,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:24:50,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:50,647 INFO L225 Difference]: With dead ends: 236 [2019-10-22 11:24:50,647 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:50,648 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:24:50,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:50,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:50,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:24:50,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:50,649 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:50,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:50,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:50,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:51,065 INFO L443 ceAbstractionStarter]: For program point L894(lines 894 909) no Hoare annotation was computed. [2019-10-22 11:24:51,065 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:51,066 INFO L446 ceAbstractionStarter]: At program point L268(lines 249 271) the Hoare annotation is: true [2019-10-22 11:24:51,066 INFO L439 ceAbstractionStarter]: At program point L235(lines 231 237) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:24:51,066 INFO L439 ceAbstractionStarter]: At program point L169(lines 164 172) the Hoare annotation is: false [2019-10-22 11:24:51,066 INFO L439 ceAbstractionStarter]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2019-10-22 11:24:51,067 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-10-22 11:24:51,067 INFO L439 ceAbstractionStarter]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2019-10-22 11:24:51,067 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-10-22 11:24:51,067 INFO L439 ceAbstractionStarter]: At program point L186-2(lines 186 200) the Hoare annotation is: false [2019-10-22 11:24:51,067 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 11:24:51,068 INFO L439 ceAbstractionStarter]: At program point L914(lines 863 915) the Hoare annotation is: false [2019-10-22 11:24:51,068 INFO L443 ceAbstractionStarter]: For program point L865(lines 864 913) no Hoare annotation was computed. [2019-10-22 11:24:51,068 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-10-22 11:24:51,068 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:24:51,069 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-10-22 11:24:51,069 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:24:51,069 INFO L443 ceAbstractionStarter]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:24:51,069 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2019-10-22 11:24:51,069 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-10-22 11:24:51,070 INFO L439 ceAbstractionStarter]: At program point L834-1(lines 834 840) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,070 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:51,070 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-10-22 11:24:51,070 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 686 692) no Hoare annotation was computed. [2019-10-22 11:24:51,070 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 95) no Hoare annotation was computed. [2019-10-22 11:24:51,070 INFO L443 ceAbstractionStarter]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2019-10-22 11:24:51,071 INFO L443 ceAbstractionStarter]: For program point L91-6(lines 91 95) no Hoare annotation was computed. [2019-10-22 11:24:51,071 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-10-22 11:24:51,071 INFO L439 ceAbstractionStarter]: At program point L884-1(lines 884 890) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,071 INFO L439 ceAbstractionStarter]: At program point L686(lines 685 704) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,072 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-10-22 11:24:51,072 INFO L439 ceAbstractionStarter]: At program point L686-2(lines 685 704) the Hoare annotation is: false [2019-10-22 11:24:51,072 INFO L439 ceAbstractionStarter]: At program point L686-3(lines 685 704) the Hoare annotation is: false [2019-10-22 11:24:51,072 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-10-22 11:24:51,072 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-22 11:24:51,073 INFO L439 ceAbstractionStarter]: At program point L902-1(lines 686 692) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,073 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:24:51,073 INFO L443 ceAbstractionStarter]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:24:51,073 INFO L443 ceAbstractionStarter]: For program point L820-3(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:24:51,073 INFO L443 ceAbstractionStarter]: For program point L820-5(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:24:51,073 INFO L443 ceAbstractionStarter]: For program point L820-6(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:24:51,074 INFO L443 ceAbstractionStarter]: For program point L820-8(lines 820 824) no Hoare annotation was computed. [2019-10-22 11:24:51,074 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 266) no Hoare annotation was computed. [2019-10-22 11:24:51,074 INFO L439 ceAbstractionStarter]: At program point L771(lines 766 774) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,074 INFO L439 ceAbstractionStarter]: At program point L771-1(lines 766 774) the Hoare annotation is: false [2019-10-22 11:24:51,074 INFO L446 ceAbstractionStarter]: At program point L259-1(lines 259 266) the Hoare annotation is: true [2019-10-22 11:24:51,075 INFO L439 ceAbstractionStarter]: At program point L771-2(lines 766 774) the Hoare annotation is: false [2019-10-22 11:24:51,075 INFO L439 ceAbstractionStarter]: At program point L160(lines 155 163) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,075 INFO L439 ceAbstractionStarter]: At program point L160-1(lines 155 163) the Hoare annotation is: false [2019-10-22 11:24:51,075 INFO L439 ceAbstractionStarter]: At program point L160-2(lines 155 163) the Hoare annotation is: false [2019-10-22 11:24:51,075 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:51,076 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:24:51,076 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:24:51,076 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-10-22 11:24:51,076 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 670) no Hoare annotation was computed. [2019-10-22 11:24:51,076 INFO L439 ceAbstractionStarter]: At program point L657-1(lines 1 921) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,076 INFO L443 ceAbstractionStarter]: For program point L657-2(lines 657 670) no Hoare annotation was computed. [2019-10-22 11:24:51,077 INFO L439 ceAbstractionStarter]: At program point L657-3(lines 1 921) the Hoare annotation is: false [2019-10-22 11:24:51,077 INFO L443 ceAbstractionStarter]: For program point L657-4(lines 657 670) no Hoare annotation was computed. [2019-10-22 11:24:51,077 INFO L439 ceAbstractionStarter]: At program point L657-5(lines 1 921) the Hoare annotation is: false [2019-10-22 11:24:51,077 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-10-22 11:24:51,077 INFO L439 ceAbstractionStarter]: At program point L874-1(lines 874 880) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,077 INFO L443 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2019-10-22 11:24:51,078 INFO L443 ceAbstractionStarter]: For program point L643-1(line 643) no Hoare annotation was computed. [2019-10-22 11:24:51,078 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 921) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:24:51,078 INFO L443 ceAbstractionStarter]: For program point L643-2(line 643) no Hoare annotation was computed. [2019-10-22 11:24:51,078 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:51,078 INFO L439 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:51,079 INFO L439 ceAbstractionStarter]: At program point L693-1(lines 693 699) the Hoare annotation is: false [2019-10-22 11:24:51,079 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 119) no Hoare annotation was computed. [2019-10-22 11:24:51,079 INFO L439 ceAbstractionStarter]: At program point L693-2(lines 693 699) the Hoare annotation is: false [2019-10-22 11:24:51,079 INFO L439 ceAbstractionStarter]: At program point L826(lines 811 829) the Hoare annotation is: false [2019-10-22 11:24:51,079 INFO L439 ceAbstractionStarter]: At program point L826-1(lines 811 829) the Hoare annotation is: false [2019-10-22 11:24:51,079 INFO L439 ceAbstractionStarter]: At program point L826-2(lines 811 829) the Hoare annotation is: false [2019-10-22 11:24:51,080 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 667) no Hoare annotation was computed. [2019-10-22 11:24:51,080 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 667) no Hoare annotation was computed. [2019-10-22 11:24:51,080 INFO L443 ceAbstractionStarter]: For program point L661-4(lines 661 667) no Hoare annotation was computed. [2019-10-22 11:24:51,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:51 BoogieIcfgContainer [2019-10-22 11:24:51,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:51,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:51,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:51,113 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:51,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:49" (3/4) ... [2019-10-22 11:24:51,118 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:51,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:51,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:24:51,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:24:51,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:51,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:51,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:51,194 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 11:24:51,194 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 11:24:51,194 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,196 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,196 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,198 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,201 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:51,280 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e21279e-90f8-4de7-9ffa-4baea3840689/bin/utaipan/witness.graphml [2019-10-22 11:24:51,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:51,283 INFO L168 Benchmark]: Toolchain (without parser) took 3662.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 949.9 MB in the beginning and 944.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 198.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:51,284 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:51,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -225.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:51,285 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:51,285 INFO L168 Benchmark]: Boogie Preprocessor took 31.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:51,286 INFO L168 Benchmark]: RCFGBuilder took 823.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:51,287 INFO L168 Benchmark]: TraceAbstraction took 1886.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.4 MB in the end (delta: 151.9 MB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:51,287 INFO L168 Benchmark]: Witness Printer took 168.56 ms. Allocated memory is still 1.2 GB. Free memory was 951.4 MB in the beginning and 944.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:51,290 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 692.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -225.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 823.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1886.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.4 MB in the end (delta: 151.9 MB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. * Witness Printer took 168.56 ms. Allocated memory is still 1.2 GB. Free memory was 951.4 MB in the beginning and 944.8 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: - PositiveResult [Line: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 643]: 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: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 327 SDtfs, 478 SDslu, 266 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, 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, 5 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 183 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1697 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...