./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.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_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:41,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:41,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:41,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:41,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:41,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:41,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:41,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:41,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:41,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:41,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:41,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:41,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:41,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:41,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:41,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:41,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:41,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:41,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:41,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:41,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:41,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:41,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:41,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:41,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:41,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:41,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:41,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:41,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:41,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:41,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:41,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:41,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:41,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:41,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:41,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:41,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:41,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:41,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:41,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:41,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:41,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:41,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:41,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:41,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:41,654 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:41,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:41,654 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:41,654 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:41,654 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:41,654 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:41,655 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:41,655 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:41,655 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:41,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:41,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:41,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:41,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:41,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:41,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:41,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:41,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:41,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:41,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:41,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:41,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:41,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:41,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:41,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:41,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:41,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:41,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:41,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:41,658 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:41,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:41,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:41,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:41,659 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_1a8ad206-e53c-4372-871b-b4273367329c/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2019-10-22 11:23:41,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:41,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:41,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:41,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:41,710 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:41,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-10-22 11:23:41,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/data/ce63397f5/49b33e6971ce48e7aeed06c4af1258b6/FLAG611560fe0 [2019-10-22 11:23:42,164 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:42,164 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-10-22 11:23:42,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/data/ce63397f5/49b33e6971ce48e7aeed06c4af1258b6/FLAG611560fe0 [2019-10-22 11:23:42,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/data/ce63397f5/49b33e6971ce48e7aeed06c4af1258b6 [2019-10-22 11:23:42,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:42,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:42,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:42,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:42,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:42,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:42" (1/1) ... [2019-10-22 11:23:42,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a86ce9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:42, skipping insertion in model container [2019-10-22 11:23:42,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:42" (1/1) ... [2019-10-22 11:23:42,565 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:42,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:43,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:43,054 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:43,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:43,157 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:43,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43 WrapperNode [2019-10-22 11:23:43,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:43,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:43,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:43,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:43,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:43,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:43,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:43,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:43,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... [2019-10-22 11:23:43,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:43,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:43,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:43,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:43,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/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 11:23:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:44,015 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:44,015 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-10-22 11:23:44,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:44 BoogieIcfgContainer [2019-10-22 11:23:44,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:44,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:44,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:44,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:44,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:42" (1/3) ... [2019-10-22 11:23:44,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c6f1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:44, skipping insertion in model container [2019-10-22 11:23:44,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:43" (2/3) ... [2019-10-22 11:23:44,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c6f1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:44, skipping insertion in model container [2019-10-22 11:23:44,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:44" (3/3) ... [2019-10-22 11:23:44,024 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2019-10-22 11:23:44,032 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:44,039 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:44,049 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:44,102 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:44,103 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:44,103 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:44,103 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:44,103 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:44,103 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:44,103 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:44,103 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-10-22 11:23:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:23:44,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:44,126 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:44,128 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:44,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:44,133 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2019-10-22 11:23:44,141 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:44,141 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043445982] [2019-10-22 11:23:44,141 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:44,331 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 11:23:44,332 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043445982] [2019-10-22 11:23:44,333 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:44,333 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:44,333 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341631440] [2019-10-22 11:23:44,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:44,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:44,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:44,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:44,353 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-10-22 11:23:44,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:44,380 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-10-22 11:23:44,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:44,382 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:23:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:44,392 INFO L225 Difference]: With dead ends: 208 [2019-10-22 11:23:44,392 INFO L226 Difference]: Without dead ends: 103 [2019-10-22 11:23:44,395 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 11:23:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-22 11:23:44,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-22 11:23:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-22 11:23:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-10-22 11:23:44,434 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-10-22 11:23:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:44,434 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-10-22 11:23:44,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-10-22 11:23:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:23:44,435 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:44,435 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 11:23:44,436 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:44,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:44,436 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2019-10-22 11:23:44,436 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:44,437 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392660470] [2019-10-22 11:23:44,437 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,437 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:44,519 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 11:23:44,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392660470] [2019-10-22 11:23:44,520 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:44,520 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:44,520 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442620768] [2019-10-22 11:23:44,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:44,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:44,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:44,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:44,522 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-10-22 11:23:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:44,533 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-10-22 11:23:44,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:44,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:23:44,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:44,535 INFO L225 Difference]: With dead ends: 103 [2019-10-22 11:23:44,535 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 11:23:44,536 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 11:23:44,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 11:23:44,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 11:23:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 11:23:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-10-22 11:23:44,541 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-10-22 11:23:44,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:44,541 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-10-22 11:23:44,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 11:23:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:23:44,542 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:44,542 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 11:23:44,543 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:44,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:44,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2019-10-22 11:23:44,543 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:44,543 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705295087] [2019-10-22 11:23:44,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,544 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:44,621 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 11:23:44,622 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705295087] [2019-10-22 11:23:44,622 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:44,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:44,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697638438] [2019-10-22 11:23:44,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:44,623 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:44,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:44,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:44,623 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2019-10-22 11:23:44,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:44,716 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2019-10-22 11:23:44,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:44,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:23:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:44,717 INFO L225 Difference]: With dead ends: 146 [2019-10-22 11:23:44,718 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:23:44,721 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 11:23:44,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:23:44,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2019-10-22 11:23:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 11:23:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-10-22 11:23:44,736 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-10-22 11:23:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:44,736 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-10-22 11:23:44,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-10-22 11:23:44,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:44,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:44,738 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 11:23:44,739 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:44,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2019-10-22 11:23:44,739 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:44,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330489612] [2019-10-22 11:23:44,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:44,840 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 11:23:44,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330489612] [2019-10-22 11:23:44,841 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:44,841 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:23:44,841 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673459136] [2019-10-22 11:23:44,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:23:44,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:44,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:23:44,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:44,842 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 8 states. [2019-10-22 11:23:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:45,204 INFO L93 Difference]: Finished difference Result 425 states and 651 transitions. [2019-10-22 11:23:45,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:23:45,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-10-22 11:23:45,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:45,208 INFO L225 Difference]: With dead ends: 425 [2019-10-22 11:23:45,211 INFO L226 Difference]: Without dead ends: 367 [2019-10-22 11:23:45,213 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:23:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-10-22 11:23:45,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 166. [2019-10-22 11:23:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-22 11:23:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2019-10-22 11:23:45,259 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2019-10-22 11:23:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:45,260 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2019-10-22 11:23:45,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:23:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2019-10-22 11:23:45,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:23:45,265 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:45,265 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 11:23:45,266 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:45,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:45,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1375176786, now seen corresponding path program 1 times [2019-10-22 11:23:45,266 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:45,266 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728347391] [2019-10-22 11:23:45,267 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,267 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:45,340 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 11:23:45,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728347391] [2019-10-22 11:23:45,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:45,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:45,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864779924] [2019-10-22 11:23:45,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:45,341 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:45,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:45,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:45,342 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand 3 states. [2019-10-22 11:23:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:45,362 INFO L93 Difference]: Finished difference Result 278 states and 406 transitions. [2019-10-22 11:23:45,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:45,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:23:45,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:45,364 INFO L225 Difference]: With dead ends: 278 [2019-10-22 11:23:45,364 INFO L226 Difference]: Without dead ends: 118 [2019-10-22 11:23:45,365 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:23:45,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-22 11:23:45,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-22 11:23:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 11:23:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2019-10-22 11:23:45,395 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 25 [2019-10-22 11:23:45,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:45,395 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2019-10-22 11:23:45,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2019-10-22 11:23:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 11:23:45,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:45,397 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:45,397 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:45,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:45,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1574439088, now seen corresponding path program 1 times [2019-10-22 11:23:45,398 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:45,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904287195] [2019-10-22 11:23:45,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:45,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 11:23:45,498 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904287195] [2019-10-22 11:23:45,498 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:45,498 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:45,498 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079736894] [2019-10-22 11:23:45,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:45,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:45,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:45,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:45,499 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand 5 states. [2019-10-22 11:23:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:45,566 INFO L93 Difference]: Finished difference Result 242 states and 328 transitions. [2019-10-22 11:23:45,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:45,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-10-22 11:23:45,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:45,569 INFO L225 Difference]: With dead ends: 242 [2019-10-22 11:23:45,569 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:45,570 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 11:23:45,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:45,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:45,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:45,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2019-10-22 11:23:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:45,571 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:45,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:45,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:45,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:45,876 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,876 INFO L443 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-3(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-5(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-6(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-8(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-9(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-11(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-12(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-14(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,877 INFO L443 ceAbstractionStarter]: For program point L895-15(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,878 INFO L443 ceAbstractionStarter]: For program point L895-17(lines 895 899) no Hoare annotation was computed. [2019-10-22 11:23:45,878 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:45,878 INFO L439 ceAbstractionStarter]: At program point L698(lines 649 699) the Hoare annotation is: false [2019-10-22 11:23:45,878 INFO L443 ceAbstractionStarter]: For program point L930(lines 930 943) no Hoare annotation was computed. [2019-10-22 11:23:45,878 INFO L439 ceAbstractionStarter]: At program point L930-1(lines 1 955) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,878 INFO L443 ceAbstractionStarter]: For program point L930-2(lines 930 943) no Hoare annotation was computed. [2019-10-22 11:23:45,878 INFO L439 ceAbstractionStarter]: At program point L930-3(lines 1 955) the Hoare annotation is: false [2019-10-22 11:23:45,878 INFO L443 ceAbstractionStarter]: For program point L930-4(lines 930 943) no Hoare annotation was computed. [2019-10-22 11:23:45,879 INFO L439 ceAbstractionStarter]: At program point L930-5(lines 1 955) the Hoare annotation is: false [2019-10-22 11:23:45,879 INFO L439 ceAbstractionStarter]: At program point L634(lines 629 637) the Hoare annotation is: false [2019-10-22 11:23:45,879 INFO L439 ceAbstractionStarter]: At program point L634-1(lines 629 637) the Hoare annotation is: false [2019-10-22 11:23:45,879 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2019-10-22 11:23:45,879 INFO L439 ceAbstractionStarter]: At program point L634-2(lines 629 637) the Hoare annotation is: false [2019-10-22 11:23:45,879 INFO L439 ceAbstractionStarter]: At program point L634-3(lines 629 637) the Hoare annotation is: false [2019-10-22 11:23:45,879 INFO L439 ceAbstractionStarter]: At program point L634-4(lines 629 637) the Hoare annotation is: false [2019-10-22 11:23:45,879 INFO L439 ceAbstractionStarter]: At program point L634-5(lines 629 637) the Hoare annotation is: false [2019-10-22 11:23:45,879 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 11:23:45,880 INFO L439 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:45,880 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2019-10-22 11:23:45,880 INFO L439 ceAbstractionStarter]: At program point L901(lines 886 904) the Hoare annotation is: false [2019-10-22 11:23:45,880 INFO L439 ceAbstractionStarter]: At program point L901-1(lines 886 904) the Hoare annotation is: false [2019-10-22 11:23:45,880 INFO L443 ceAbstractionStarter]: For program point L934-2(lines 934 940) no Hoare annotation was computed. [2019-10-22 11:23:45,880 INFO L439 ceAbstractionStarter]: At program point L901-2(lines 886 904) the Hoare annotation is: false [2019-10-22 11:23:45,880 INFO L439 ceAbstractionStarter]: At program point L901-3(lines 886 904) the Hoare annotation is: false [2019-10-22 11:23:45,880 INFO L443 ceAbstractionStarter]: For program point L934-4(lines 934 940) no Hoare annotation was computed. [2019-10-22 11:23:45,880 INFO L439 ceAbstractionStarter]: At program point L901-4(lines 886 904) the Hoare annotation is: false [2019-10-22 11:23:45,880 INFO L439 ceAbstractionStarter]: At program point L901-5(lines 886 904) the Hoare annotation is: false [2019-10-22 11:23:45,881 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 676) no Hoare annotation was computed. [2019-10-22 11:23:45,881 INFO L439 ceAbstractionStarter]: At program point L670-1(lines 670 676) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,881 INFO L439 ceAbstractionStarter]: At program point L837(lines 830 840) the Hoare annotation is: false [2019-10-22 11:23:45,882 INFO L439 ceAbstractionStarter]: At program point L837-1(lines 830 840) the Hoare annotation is: false [2019-10-22 11:23:45,882 INFO L439 ceAbstractionStarter]: At program point L837-2(lines 830 840) the Hoare annotation is: false [2019-10-22 11:23:45,882 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2019-10-22 11:23:45,882 INFO L443 ceAbstractionStarter]: For program point L776-1(lines 776 793) no Hoare annotation was computed. [2019-10-22 11:23:45,882 INFO L443 ceAbstractionStarter]: For program point L776-2(lines 776 793) no Hoare annotation was computed. [2019-10-22 11:23:45,882 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 915) no Hoare annotation was computed. [2019-10-22 11:23:45,882 INFO L439 ceAbstractionStarter]: At program point L909-1(lines 909 915) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,882 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-22 11:23:45,883 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 11:23:45,883 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 693) no Hoare annotation was computed. [2019-10-22 11:23:45,883 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:45,883 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 11:23:45,883 INFO L439 ceAbstractionStarter]: At program point L846(lines 841 849) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,883 INFO L439 ceAbstractionStarter]: At program point L846-1(lines 841 849) the Hoare annotation is: false [2019-10-22 11:23:45,883 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2019-10-22 11:23:45,883 INFO L439 ceAbstractionStarter]: At program point L846-2(lines 841 849) the Hoare annotation is: false [2019-10-22 11:23:45,883 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 780 788) no Hoare annotation was computed. [2019-10-22 11:23:45,883 INFO L443 ceAbstractionStarter]: For program point L780-2(lines 780 788) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 718 724) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L750-1(lines 750 767) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L750-2(lines 750 767) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L651(lines 650 697) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L750-3(lines 750 767) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L750-4(lines 750 767) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L443 ceAbstractionStarter]: For program point L750-5(lines 750 767) no Hoare annotation was computed. [2019-10-22 11:23:45,884 INFO L439 ceAbstractionStarter]: At program point L718(lines 717 736) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,885 INFO L443 ceAbstractionStarter]: For program point L718-1(lines 718 724) no Hoare annotation was computed. [2019-10-22 11:23:45,885 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2019-10-22 11:23:45,885 INFO L439 ceAbstractionStarter]: At program point L718-2(lines 717 736) the Hoare annotation is: false [2019-10-22 11:23:45,885 INFO L439 ceAbstractionStarter]: At program point L718-3(lines 717 736) the Hoare annotation is: false [2019-10-22 11:23:45,885 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:45,886 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2019-10-22 11:23:45,886 INFO L439 ceAbstractionStarter]: At program point L686-1(lines 718 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,886 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2019-10-22 11:23:45,886 INFO L443 ceAbstractionStarter]: For program point L952(line 952) no Hoare annotation was computed. [2019-10-22 11:23:45,886 INFO L443 ceAbstractionStarter]: For program point L952-1(line 952) no Hoare annotation was computed. [2019-10-22 11:23:45,886 INFO L443 ceAbstractionStarter]: For program point L952-2(line 952) no Hoare annotation was computed. [2019-10-22 11:23:45,886 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-10-22 11:23:45,886 INFO L443 ceAbstractionStarter]: For program point L754-1(lines 754 762) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L443 ceAbstractionStarter]: For program point L754-3(lines 754 762) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L443 ceAbstractionStarter]: For program point L754-4(lines 754 762) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L443 ceAbstractionStarter]: For program point L754-5(lines 754 762) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 560) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L443 ceAbstractionStarter]: For program point L556-3(lines 556 560) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L443 ceAbstractionStarter]: For program point L556-6(lines 556 560) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:45,887 INFO L439 ceAbstractionStarter]: At program point L625(lines 620 628) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,888 INFO L439 ceAbstractionStarter]: At program point L625-1(lines 620 628) the Hoare annotation is: false [2019-10-22 11:23:45,888 INFO L439 ceAbstractionStarter]: At program point L625-2(lines 620 628) the Hoare annotation is: false [2019-10-22 11:23:45,888 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 11:23:45,888 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 11:23:45,888 INFO L439 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,888 INFO L439 ceAbstractionStarter]: At program point L725-1(lines 725 731) the Hoare annotation is: false [2019-10-22 11:23:45,889 INFO L439 ceAbstractionStarter]: At program point L725-2(lines 725 731) the Hoare annotation is: false [2019-10-22 11:23:45,889 INFO L439 ceAbstractionStarter]: At program point L593(lines 588 596) the Hoare annotation is: false [2019-10-22 11:23:45,889 INFO L439 ceAbstractionStarter]: At program point L593-1(lines 588 596) the Hoare annotation is: false [2019-10-22 11:23:45,889 INFO L439 ceAbstractionStarter]: At program point L593-2(lines 588 596) the Hoare annotation is: false [2019-10-22 11:23:45,889 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:45,889 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2019-10-22 11:23:45,889 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-10-22 11:23:45,889 INFO L439 ceAbstractionStarter]: At program point L660-1(lines 660 666) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:45,889 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2019-10-22 11:23:45,890 INFO L439 ceAbstractionStarter]: At program point L166(lines 1 955) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:45,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:45 BoogieIcfgContainer [2019-10-22 11:23:45,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:45,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:45,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:45,905 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:45,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:44" (3/4) ... [2019-10-22 11:23:45,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:45,921 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:45,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:23:45,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:23:45,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:45,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:45,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:45,949 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:23:45,949 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && tmp == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:23:45,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:46,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a8ad206-e53c-4372-871b-b4273367329c/bin/utaipan/witness.graphml [2019-10-22 11:23:46,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:46,017 INFO L168 Benchmark]: Toolchain (without parser) took 3467.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,018 INFO L168 Benchmark]: CDTParser took 0.16 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 11:23:46,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.51 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,020 INFO L168 Benchmark]: Boogie Preprocessor took 64.73 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,020 INFO L168 Benchmark]: RCFGBuilder took 733.18 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,021 INFO L168 Benchmark]: TraceAbstraction took 1887.02 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: -39.7 MB). Peak memory consumption was 186.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,021 INFO L168 Benchmark]: Witness Printer took 110.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 608.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.51 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.73 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 733.18 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1887.02 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: -39.7 MB). Peak memory consumption was 186.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 952]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 952]: 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: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && tmp == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 458 SDtfs, 879 SDslu, 951 SDs, 0 SdLazy, 159 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 244 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 137 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5859 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 9397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 14/14 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...