./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.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_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/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 c39001161d93972d05784cb6dbc5024ef34abe15 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:21:35,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:35,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:35,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:35,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:35,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:35,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:35,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:35,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:35,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:35,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:35,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:35,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:35,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:35,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:35,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:35,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:35,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:35,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:35,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:35,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:35,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:35,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:35,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:35,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:35,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:35,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:35,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:35,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:35,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:35,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:35,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:35,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:35,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:35,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:35,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:35,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:35,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:35,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:35,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:35,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:35,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:35,687 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:35,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:35,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:35,688 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:35,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:35,688 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:35,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:35,689 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:35,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:35,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:35,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:35,689 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:35,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:35,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:35,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:35,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:35,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:35,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:35,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:35,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:35,691 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:35,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:35,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:35,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:35,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:35,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:35,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:35,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:35,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:35,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:35,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:35,693 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:35,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:35,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:35,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:35,694 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_5050a6a4-fc6a-438c-b44f-e670089bdb7e/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 -> c39001161d93972d05784cb6dbc5024ef34abe15 [2019-10-22 11:21:35,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:35,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:35,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:35,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:35,735 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:35,735 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2019-10-22 11:21:35,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/data/9d5eb7dc0/99595abeb362428da83e137185dabc7c/FLAGdfab5e171 [2019-10-22 11:21:36,236 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:36,242 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2019-10-22 11:21:36,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/data/9d5eb7dc0/99595abeb362428da83e137185dabc7c/FLAGdfab5e171 [2019-10-22 11:21:36,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/data/9d5eb7dc0/99595abeb362428da83e137185dabc7c [2019-10-22 11:21:36,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:36,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:36,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:36,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:36,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:36,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d82384f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36, skipping insertion in model container [2019-10-22 11:21:36,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,779 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:36,827 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:37,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:37,169 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:37,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:37,276 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:37,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37 WrapperNode [2019-10-22 11:21:37,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:37,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:37,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:37,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:37,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:37,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:37,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:37,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:37,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... [2019-10-22 11:21:37,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:37,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:37,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:37,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:37,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/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 11:21:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:21:37,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:37,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:38,278 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:38,278 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 11:21:38,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:38 BoogieIcfgContainer [2019-10-22 11:21:38,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:38,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:38,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:38,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:38,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:36" (1/3) ... [2019-10-22 11:21:38,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4bbfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:38, skipping insertion in model container [2019-10-22 11:21:38,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:37" (2/3) ... [2019-10-22 11:21:38,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4bbfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:38, skipping insertion in model container [2019-10-22 11:21:38,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:38" (3/3) ... [2019-10-22 11:21:38,287 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2019-10-22 11:21:38,297 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:38,311 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:38,319 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:38,341 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:38,341 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:38,342 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:38,342 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:38,342 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:38,342 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:38,342 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:38,342 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-10-22 11:21:38,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:21:38,362 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:38,363 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:38,365 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:38,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:38,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1574942692, now seen corresponding path program 1 times [2019-10-22 11:21:38,379 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:38,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801451196] [2019-10-22 11:21:38,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:38,600 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 11:21:38,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801451196] [2019-10-22 11:21:38,601 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:38,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:38,602 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832830148] [2019-10-22 11:21:38,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:21:38,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:38,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:21:38,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:38,620 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-10-22 11:21:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:38,645 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2019-10-22 11:21:38,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:21:38,646 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:21:38,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:38,655 INFO L225 Difference]: With dead ends: 143 [2019-10-22 11:21:38,655 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 11:21:38,658 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 11:21:38,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 11:21:38,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-22 11:21:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 11:21:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2019-10-22 11:21:38,695 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2019-10-22 11:21:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:38,696 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2019-10-22 11:21:38,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:21:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2019-10-22 11:21:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:21:38,697 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:38,697 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:38,697 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:38,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:38,697 INFO L82 PathProgramCache]: Analyzing trace with hash -562353309, now seen corresponding path program 1 times [2019-10-22 11:21:38,698 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:38,698 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089315717] [2019-10-22 11:21:38,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:38,794 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 11:21:38,794 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089315717] [2019-10-22 11:21:38,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:38,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:38,795 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454849442] [2019-10-22 11:21:38,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:38,799 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:38,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:38,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:38,799 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2019-10-22 11:21:38,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:38,812 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2019-10-22 11:21:38,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:38,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:21:38,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:38,813 INFO L225 Difference]: With dead ends: 71 [2019-10-22 11:21:38,813 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 11:21:38,814 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 11:21:38,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 11:21:38,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 11:21:38,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 11:21:38,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-10-22 11:21:38,819 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-10-22 11:21:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:38,819 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-10-22 11:21:38,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-10-22 11:21:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:21:38,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:38,820 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 11:21:38,820 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:38,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:38,821 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2019-10-22 11:21:38,821 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:38,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129724755] [2019-10-22 11:21:38,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:38,937 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 11:21:38,937 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129724755] [2019-10-22 11:21:38,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:38,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:38,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943354393] [2019-10-22 11:21:38,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:38,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:38,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:38,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:38,939 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2019-10-22 11:21:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:39,089 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2019-10-22 11:21:39,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:39,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 11:21:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:39,091 INFO L225 Difference]: With dead ends: 115 [2019-10-22 11:21:39,091 INFO L226 Difference]: Without dead ends: 87 [2019-10-22 11:21:39,092 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:39,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-22 11:21:39,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2019-10-22 11:21:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 11:21:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2019-10-22 11:21:39,099 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2019-10-22 11:21:39,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:39,099 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2019-10-22 11:21:39,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2019-10-22 11:21:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:21:39,100 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,102 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, 1] [2019-10-22 11:21:39,102 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2019-10-22 11:21:39,103 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873614874] [2019-10-22 11:21:39,103 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,103 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,223 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 11:21:39,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873614874] [2019-10-22 11:21:39,224 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,224 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:39,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495379363] [2019-10-22 11:21:39,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:39,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:39,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:39,225 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2019-10-22 11:21:39,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:39,327 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2019-10-22 11:21:39,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:21:39,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:21:39,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:39,329 INFO L225 Difference]: With dead ends: 242 [2019-10-22 11:21:39,329 INFO L226 Difference]: Without dead ends: 194 [2019-10-22 11:21:39,330 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:39,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-10-22 11:21:39,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2019-10-22 11:21:39,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-22 11:21:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2019-10-22 11:21:39,343 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2019-10-22 11:21:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:39,344 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2019-10-22 11:21:39,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2019-10-22 11:21:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:21:39,344 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,345 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, 1, 1] [2019-10-22 11:21:39,345 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2019-10-22 11:21:39,345 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,345 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439590352] [2019-10-22 11:21:39,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,346 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,402 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 11:21:39,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439590352] [2019-10-22 11:21:39,403 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,403 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:39,403 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973761732] [2019-10-22 11:21:39,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:39,404 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:39,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:39,404 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2019-10-22 11:21:39,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:39,492 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2019-10-22 11:21:39,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:39,493 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:21:39,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:39,493 INFO L225 Difference]: With dead ends: 285 [2019-10-22 11:21:39,493 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:39,495 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 11:21:39,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:39,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:39,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:39,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 11:21:39,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:39,496 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:39,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:39,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:39,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:39,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:39,750 INFO L439 ceAbstractionStarter]: At program point L382(lines 377 385) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:21:39,751 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:21:39,751 INFO L443 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:21:39,751 INFO L443 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:21:39,751 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2019-10-22 11:21:39,751 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:39,751 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-10-22 11:21:39,751 INFO L446 ceAbstractionStarter]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2019-10-22 11:21:39,751 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 308) no Hoare annotation was computed. [2019-10-22 11:21:39,752 INFO L439 ceAbstractionStarter]: At program point L302-1(lines 302 308) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,752 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2019-10-22 11:21:39,752 INFO L439 ceAbstractionStarter]: At program point L269-1(lines 269 275) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,752 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 891) no Hoare annotation was computed. [2019-10-22 11:21:39,752 INFO L443 ceAbstractionStarter]: For program point L881-2(lines 881 891) no Hoare annotation was computed. [2019-10-22 11:21:39,752 INFO L443 ceAbstractionStarter]: For program point L881-4(lines 881 891) no Hoare annotation was computed. [2019-10-22 11:21:39,752 INFO L439 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-10-22 11:21:39,752 INFO L439 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,753 INFO L439 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-10-22 11:21:39,753 INFO L439 ceAbstractionStarter]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-10-22 11:21:39,753 INFO L439 ceAbstractionStarter]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-10-22 11:21:39,753 INFO L439 ceAbstractionStarter]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-10-22 11:21:39,753 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 888) no Hoare annotation was computed. [2019-10-22 11:21:39,753 INFO L443 ceAbstractionStarter]: For program point L882-2(lines 882 888) no Hoare annotation was computed. [2019-10-22 11:21:39,753 INFO L443 ceAbstractionStarter]: For program point L882-4(lines 882 888) no Hoare annotation was computed. [2019-10-22 11:21:39,753 INFO L443 ceAbstractionStarter]: For program point L172(lines 172 189) no Hoare annotation was computed. [2019-10-22 11:21:39,753 INFO L443 ceAbstractionStarter]: For program point L172-1(lines 172 189) no Hoare annotation was computed. [2019-10-22 11:21:39,754 INFO L443 ceAbstractionStarter]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2019-10-22 11:21:39,755 INFO L439 ceAbstractionStarter]: At program point L866(lines 861 868) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:21:39,756 INFO L439 ceAbstractionStarter]: At program point L140(lines 139 158) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,756 INFO L443 ceAbstractionStarter]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:21:39,756 INFO L439 ceAbstractionStarter]: At program point L140-2(lines 139 158) the Hoare annotation is: false [2019-10-22 11:21:39,756 INFO L439 ceAbstractionStarter]: At program point L140-3(lines 139 158) the Hoare annotation is: false [2019-10-22 11:21:39,756 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2019-10-22 11:21:39,756 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 335) no Hoare annotation was computed. [2019-10-22 11:21:39,756 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:39,757 INFO L439 ceAbstractionStarter]: At program point L340(lines 291 341) the Hoare annotation is: false [2019-10-22 11:21:39,757 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-10-22 11:21:39,757 INFO L439 ceAbstractionStarter]: At program point L225(lines 220 228) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,757 INFO L439 ceAbstractionStarter]: At program point L225-1(lines 220 228) the Hoare annotation is: false [2019-10-22 11:21:39,757 INFO L439 ceAbstractionStarter]: At program point L225-2(lines 220 228) the Hoare annotation is: false [2019-10-22 11:21:39,757 INFO L439 ceAbstractionStarter]: At program point L374(lines 1 897) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:21:39,757 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 184) no Hoare annotation was computed. [2019-10-22 11:21:39,758 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 176 184) no Hoare annotation was computed. [2019-10-22 11:21:39,758 INFO L443 ceAbstractionStarter]: For program point L176-2(lines 176 184) no Hoare annotation was computed. [2019-10-22 11:21:39,758 INFO L443 ceAbstractionStarter]: For program point L391(line 391) no Hoare annotation was computed. [2019-10-22 11:21:39,758 INFO L443 ceAbstractionStarter]: For program point L391-1(line 391) no Hoare annotation was computed. [2019-10-22 11:21:39,758 INFO L443 ceAbstractionStarter]: For program point L391-2(line 391) no Hoare annotation was computed. [2019-10-22 11:21:39,758 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:39,758 INFO L439 ceAbstractionStarter]: At program point L821(lines 817 823) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:21:39,758 INFO L443 ceAbstractionStarter]: For program point L293(lines 292 339) no Hoare annotation was computed. [2019-10-22 11:21:39,759 INFO L446 ceAbstractionStarter]: At program point L855(lines 836 858) the Hoare annotation is: true [2019-10-22 11:21:39,759 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 298) no Hoare annotation was computed. [2019-10-22 11:21:39,759 INFO L439 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: false [2019-10-22 11:21:39,759 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2019-10-22 11:21:39,759 INFO L439 ceAbstractionStarter]: At program point L328-1(lines 140 146) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,759 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-22 11:21:39,759 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-10-22 11:21:39,759 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 318) no Hoare annotation was computed. [2019-10-22 11:21:39,760 INFO L439 ceAbstractionStarter]: At program point L312-1(lines 312 318) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,760 INFO L439 ceAbstractionStarter]: At program point L147(lines 147 153) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,760 INFO L439 ceAbstractionStarter]: At program point L147-1(lines 147 153) the Hoare annotation is: false [2019-10-22 11:21:39,760 INFO L439 ceAbstractionStarter]: At program point L147-2(lines 147 153) the Hoare annotation is: false [2019-10-22 11:21:39,760 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:39,760 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-22 11:21:39,760 INFO L443 ceAbstractionStarter]: For program point L777-1(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:21:39,760 INFO L439 ceAbstractionStarter]: At program point L216(lines 209 219) the Hoare annotation is: false [2019-10-22 11:21:39,760 INFO L439 ceAbstractionStarter]: At program point L216-1(lines 209 219) the Hoare annotation is: false [2019-10-22 11:21:39,761 INFO L439 ceAbstractionStarter]: At program point L216-2(lines 209 219) the Hoare annotation is: false [2019-10-22 11:21:39,761 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 894) no Hoare annotation was computed. [2019-10-22 11:21:39,761 INFO L439 ceAbstractionStarter]: At program point L877-1(lines 1 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:21:39,761 INFO L443 ceAbstractionStarter]: For program point L877-2(lines 877 894) no Hoare annotation was computed. [2019-10-22 11:21:39,761 INFO L439 ceAbstractionStarter]: At program point L877-3(lines 1 897) the Hoare annotation is: false [2019-10-22 11:21:39,761 INFO L443 ceAbstractionStarter]: For program point L877-4(lines 877 894) no Hoare annotation was computed. [2019-10-22 11:21:39,761 INFO L439 ceAbstractionStarter]: At program point L877-5(lines 1 897) the Hoare annotation is: false [2019-10-22 11:21:39,761 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2019-10-22 11:21:39,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:39 BoogieIcfgContainer [2019-10-22 11:21:39,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:39,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:39,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:39,785 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:39,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:38" (3/4) ... [2019-10-22 11:21:39,791 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:39,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:21:39,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:21:39,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:21:39,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:21:39,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:39,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:21:39,843 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:21:39,843 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:21:39,844 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:21:39,846 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:21:39,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5050a6a4-fc6a-438c-b44f-e670089bdb7e/bin/utaipan/witness.graphml [2019-10-22 11:21:39,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:39,910 INFO L168 Benchmark]: Toolchain (without parser) took 3148.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.4 MB in the beginning and 908.1 MB in the end (delta: 32.4 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:39,910 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:39,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:39,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.92 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:39,911 INFO L168 Benchmark]: Boogie Preprocessor took 66.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:39,911 INFO L168 Benchmark]: RCFGBuilder took 830.54 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:39,912 INFO L168 Benchmark]: TraceAbstraction took 1503.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.5 MB in the end (delta: 140.8 MB). Peak memory consumption was 140.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:39,912 INFO L168 Benchmark]: Witness Printer took 123.28 ms. Allocated memory is still 1.2 GB. Free memory was 917.5 MB in the beginning and 908.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:39,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 513.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.92 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 830.54 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1503.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.5 MB in the end (delta: 140.8 MB). Peak memory consumption was 140.8 MB. Max. memory is 11.5 GB. * Witness Printer took 123.28 ms. Allocated memory is still 1.2 GB. Free memory was 917.5 MB in the beginning and 908.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 391]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 391]: 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: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 323 SDtfs, 425 SDslu, 540 SDs, 0 SdLazy, 81 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 141 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 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...