./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.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_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/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 97e1e79d9f040fa1d57b96c793652004756593a5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:26:03,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:03,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:03,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:03,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:03,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:03,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:03,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:03,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:03,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:03,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:03,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:03,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:03,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:03,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:03,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:03,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:03,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:03,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:03,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:03,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:03,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:03,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:03,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:03,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:03,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:03,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:03,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:03,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:03,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:03,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:03,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:03,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:03,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:03,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:03,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:03,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:03,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:03,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:03,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:03,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:03,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:03,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:03,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:03,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:03,129 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:03,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:03,129 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:03,129 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:03,130 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:03,130 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:03,130 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:03,130 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:03,130 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:03,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:03,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:03,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:03,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:03,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:03,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:03,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:03,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:03,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:03,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:03,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:03,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:03,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:03,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:03,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:03,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:03,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:03,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:03,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:03,136 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:03,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:03,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:03,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:03,136 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_f197eeb6-329d-404a-b13c-b6edce12154f/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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2019-10-22 11:26:03,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:03,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:03,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:03,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:03,191 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:03,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-10-22 11:26:03,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/data/860029251/131d50394fa3435b98a4d364535f847d/FLAG2800cea82 [2019-10-22 11:26:03,716 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:03,717 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-10-22 11:26:03,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/data/860029251/131d50394fa3435b98a4d364535f847d/FLAG2800cea82 [2019-10-22 11:26:03,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/data/860029251/131d50394fa3435b98a4d364535f847d [2019-10-22 11:26:03,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:03,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:03,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:03,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:03,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:03,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:03" (1/1) ... [2019-10-22 11:26:03,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69dd9cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:03, skipping insertion in model container [2019-10-22 11:26:03,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:03" (1/1) ... [2019-10-22 11:26:03,771 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:03,828 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:04,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:04,272 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:04,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:04,420 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:04,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04 WrapperNode [2019-10-22 11:26:04,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:04,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:04,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:04,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:04,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:04,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:04,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:04,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:04,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... [2019-10-22 11:26:04,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:04,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:04,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:04,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:04,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/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 11:26:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:05,430 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:05,430 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 11:26:05,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:05 BoogieIcfgContainer [2019-10-22 11:26:05,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:05,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:05,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:05,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:05,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:03" (1/3) ... [2019-10-22 11:26:05,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e00edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:05, skipping insertion in model container [2019-10-22 11:26:05,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:04" (2/3) ... [2019-10-22 11:26:05,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e00edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:05, skipping insertion in model container [2019-10-22 11:26:05,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:05" (3/3) ... [2019-10-22 11:26:05,441 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2019-10-22 11:26:05,453 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:05,467 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:05,480 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:05,516 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:05,516 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:05,516 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:05,517 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:05,517 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:05,517 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:05,517 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:05,517 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-10-22 11:26:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:05,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:05,540 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:05,550 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:05,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:05,559 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-10-22 11:26:05,566 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:05,566 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997312579] [2019-10-22 11:26:05,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:05,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:05,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:05,846 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 11:26:05,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997312579] [2019-10-22 11:26:05,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:05,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:05,848 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478308449] [2019-10-22 11:26:05,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:05,853 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:05,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:05,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:05,865 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-10-22 11:26:05,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:05,894 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-10-22 11:26:05,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:05,896 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:26:05,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:05,906 INFO L225 Difference]: With dead ends: 136 [2019-10-22 11:26:05,906 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 11:26:05,910 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 11:26:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 11:26:05,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 11:26:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:26:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-10-22 11:26:05,954 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-10-22 11:26:05,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:05,954 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-10-22 11:26:05,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:05,955 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-10-22 11:26:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:05,955 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:05,956 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 11:26:05,956 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:05,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:05,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-10-22 11:26:05,957 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:05,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741754998] [2019-10-22 11:26:05,957 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:05,958 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:05,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:06,047 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 11:26:06,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741754998] [2019-10-22 11:26:06,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:06,048 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:06,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411985400] [2019-10-22 11:26:06,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:06,050 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:06,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:06,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:06,051 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-10-22 11:26:06,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:06,062 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-10-22 11:26:06,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:06,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:26:06,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:06,064 INFO L225 Difference]: With dead ends: 67 [2019-10-22 11:26:06,064 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 11:26:06,065 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 11:26:06,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 11:26:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 11:26:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 11:26:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 11:26:06,070 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 11:26:06,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:06,070 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 11:26:06,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 11:26:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:26:06,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:06,071 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 11:26:06,072 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:06,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:06,072 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-10-22 11:26:06,072 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:06,072 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207213969] [2019-10-22 11:26:06,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:06,147 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 11:26:06,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207213969] [2019-10-22 11:26:06,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:06,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:06,148 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138551653] [2019-10-22 11:26:06,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:06,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:06,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:06,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:06,149 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-10-22 11:26:06,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:06,185 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-10-22 11:26:06,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:06,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:26:06,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:06,187 INFO L225 Difference]: With dead ends: 87 [2019-10-22 11:26:06,187 INFO L226 Difference]: Without dead ends: 60 [2019-10-22 11:26:06,187 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 11:26:06,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-22 11:26:06,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-10-22 11:26:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-10-22 11:26:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-10-22 11:26:06,196 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2019-10-22 11:26:06,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:06,197 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-10-22 11:26:06,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-10-22 11:26:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:26:06,198 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:06,198 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:06,199 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:06,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:06,199 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-10-22 11:26:06,199 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:06,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873974833] [2019-10-22 11:26:06,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:06,281 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 11:26:06,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873974833] [2019-10-22 11:26:06,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:06,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:06,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37476375] [2019-10-22 11:26:06,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:06,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:06,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:06,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:06,283 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-10-22 11:26:06,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:06,464 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2019-10-22 11:26:06,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:26:06,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:26:06,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:06,467 INFO L225 Difference]: With dead ends: 260 [2019-10-22 11:26:06,467 INFO L226 Difference]: Without dead ends: 210 [2019-10-22 11:26:06,468 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 11:26:06,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-10-22 11:26:06,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2019-10-22 11:26:06,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-22 11:26:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2019-10-22 11:26:06,485 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2019-10-22 11:26:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:06,485 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2019-10-22 11:26:06,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2019-10-22 11:26:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:26:06,491 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:06,491 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 11:26:06,491 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:06,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:06,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2019-10-22 11:26:06,492 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:06,492 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290247346] [2019-10-22 11:26:06,492 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,492 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:06,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:06,602 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 11:26:06,603 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290247346] [2019-10-22 11:26:06,603 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:06,603 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:06,604 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665029984] [2019-10-22 11:26:06,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:06,604 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:06,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:06,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:06,605 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2019-10-22 11:26:06,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:06,675 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2019-10-22 11:26:06,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:06,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:26:06,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:06,677 INFO L225 Difference]: With dead ends: 296 [2019-10-22 11:26:06,677 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:06,678 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 11:26:06,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:06,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:06,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:26:06,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:06,679 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:06,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:06,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:06,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:06,939 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:26:06,939 INFO L443 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:26:06,939 INFO L443 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:26:06,939 INFO L439 ceAbstractionStarter]: At program point L779(lines 774 782) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,940 INFO L439 ceAbstractionStarter]: At program point L779-1(lines 774 782) the Hoare annotation is: false [2019-10-22 11:26:06,940 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2019-10-22 11:26:06,940 INFO L439 ceAbstractionStarter]: At program point L779-2(lines 774 782) the Hoare annotation is: false [2019-10-22 11:26:06,940 INFO L443 ceAbstractionStarter]: For program point L713-1(lines 713 721) no Hoare annotation was computed. [2019-10-22 11:26:06,940 INFO L443 ceAbstractionStarter]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2019-10-22 11:26:06,940 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:06,941 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2019-10-22 11:26:06,941 INFO L439 ceAbstractionStarter]: At program point L136-1(lines 1 910) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,941 INFO L443 ceAbstractionStarter]: For program point L136-2(lines 136 149) no Hoare annotation was computed. [2019-10-22 11:26:06,943 INFO L439 ceAbstractionStarter]: At program point L136-3(lines 1 910) the Hoare annotation is: false [2019-10-22 11:26:06,943 INFO L443 ceAbstractionStarter]: For program point L136-4(lines 136 149) no Hoare annotation was computed. [2019-10-22 11:26:06,943 INFO L439 ceAbstractionStarter]: At program point L136-5(lines 1 910) the Hoare annotation is: false [2019-10-22 11:26:06,944 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-10-22 11:26:06,944 INFO L439 ceAbstractionStarter]: At program point L863-1(lines 863 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,944 INFO L446 ceAbstractionStarter]: At program point L286(lines 267 289) the Hoare annotation is: true [2019-10-22 11:26:06,944 INFO L439 ceAbstractionStarter]: At program point L253(lines 249 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:06,945 INFO L439 ceAbstractionStarter]: At program point L187(lines 182 190) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:06,948 INFO L439 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2019-10-22 11:26:06,949 INFO L439 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-10-22 11:26:06,949 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 11:26:06,950 INFO L439 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-10-22 11:26:06,950 INFO L439 ceAbstractionStarter]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-10-22 11:26:06,950 INFO L439 ceAbstractionStarter]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-10-22 11:26:06,950 INFO L439 ceAbstractionStarter]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-10-22 11:26:06,950 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-22 11:26:06,950 INFO L439 ceAbstractionStarter]: At program point L684(lines 684 690) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,951 INFO L439 ceAbstractionStarter]: At program point L684-1(lines 684 690) the Hoare annotation is: false [2019-10-22 11:26:06,951 INFO L439 ceAbstractionStarter]: At program point L684-2(lines 684 690) the Hoare annotation is: false [2019-10-22 11:26:06,951 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2019-10-22 11:26:06,951 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:26:06,951 INFO L443 ceAbstractionStarter]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:26:06,951 INFO L443 ceAbstractionStarter]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:26:06,951 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:06,952 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 11:26:06,952 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-10-22 11:26:06,952 INFO L443 ceAbstractionStarter]: For program point L208-1(lines 677 683) no Hoare annotation was computed. [2019-10-22 11:26:06,952 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-10-22 11:26:06,952 INFO L439 ceAbstractionStarter]: At program point L770(lines 763 773) the Hoare annotation is: false [2019-10-22 11:26:06,953 INFO L439 ceAbstractionStarter]: At program point L770-1(lines 763 773) the Hoare annotation is: false [2019-10-22 11:26:06,953 INFO L439 ceAbstractionStarter]: At program point L770-2(lines 763 773) the Hoare annotation is: false [2019-10-22 11:26:06,953 INFO L439 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: false [2019-10-22 11:26:06,953 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:06,963 INFO L443 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2019-10-22 11:26:06,963 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 11:26:06,963 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2019-10-22 11:26:06,964 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 284) no Hoare annotation was computed. [2019-10-22 11:26:06,964 INFO L446 ceAbstractionStarter]: At program point L277-1(lines 277 284) the Hoare annotation is: true [2019-10-22 11:26:06,964 INFO L443 ceAbstractionStarter]: For program point L823(lines 823 829) no Hoare annotation was computed. [2019-10-22 11:26:06,964 INFO L439 ceAbstractionStarter]: At program point L823-1(lines 823 829) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,964 INFO L439 ceAbstractionStarter]: At program point L179(lines 1 910) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:06,965 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-10-22 11:26:06,965 INFO L439 ceAbstractionStarter]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,965 INFO L443 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2019-10-22 11:26:06,965 INFO L443 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-10-22 11:26:06,965 INFO L443 ceAbstractionStarter]: For program point L295-2(line 295) no Hoare annotation was computed. [2019-10-22 11:26:06,965 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-10-22 11:26:06,965 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 726) no Hoare annotation was computed. [2019-10-22 11:26:06,966 INFO L443 ceAbstractionStarter]: For program point L709-1(lines 709 726) no Hoare annotation was computed. [2019-10-22 11:26:06,966 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 11:26:06,966 INFO L443 ceAbstractionStarter]: For program point L709-2(lines 709 726) no Hoare annotation was computed. [2019-10-22 11:26:06,966 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:06,966 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-10-22 11:26:06,967 INFO L439 ceAbstractionStarter]: At program point L891-1(lines 677 683) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,967 INFO L439 ceAbstractionStarter]: At program point L677(lines 676 695) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:06,967 INFO L443 ceAbstractionStarter]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2019-10-22 11:26:06,967 INFO L439 ceAbstractionStarter]: At program point L677-2(lines 676 695) the Hoare annotation is: false [2019-10-22 11:26:06,967 INFO L439 ceAbstractionStarter]: At program point L677-3(lines 676 695) the Hoare annotation is: false [2019-10-22 11:26:06,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:06 BoogieIcfgContainer [2019-10-22 11:26:07,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:07,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:07,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:07,002 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:07,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:05" (3/4) ... [2019-10-22 11:26:07,009 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:07,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:26:07,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:26:07,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:26:07,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:26:07,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:07,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:07,063 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:26:07,113 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f197eeb6-329d-404a-b13c-b6edce12154f/bin/utaipan/witness.graphml [2019-10-22 11:26:07,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:07,115 INFO L168 Benchmark]: Toolchain (without parser) took 3364.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 938.3 MB in the beginning and 950.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 144.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,116 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:07,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.22 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 11:26:07,117 INFO L168 Benchmark]: Boogie Preprocessor took 43.82 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 11:26:07,117 INFO L168 Benchmark]: RCFGBuilder took 893.91 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,118 INFO L168 Benchmark]: TraceAbstraction took 1567.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.8 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,118 INFO L168 Benchmark]: Witness Printer took 111.94 ms. Allocated memory is still 1.2 GB. Free memory was 958.8 MB in the beginning and 950.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,120 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 668.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.22 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 43.82 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 893.91 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1567.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.8 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. * Witness Printer took 111.94 ms. Allocated memory is still 1.2 GB. Free memory was 958.8 MB in the beginning and 950.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: 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: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: 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: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 308 SDtfs, 317 SDslu, 299 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...