./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/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 81d3a03e2badb1d355e733e1f917b69305964186 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:00:09,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:00:09,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:00:09,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:00:09,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:00:09,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:00:09,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:00:09,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:00:09,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:00:09,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:00:09,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:00:09,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:00:09,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:00:09,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:00:09,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:00:09,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:00:09,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:00:09,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:00:09,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:00:09,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:00:09,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:00:09,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:00:09,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:00:09,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:00:09,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:00:09,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:00:09,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:00:09,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:00:09,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:00:09,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:00:09,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:00:09,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:00:09,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:00:09,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:00:09,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:00:09,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:00:09,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:00:09,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:00:09,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:00:09,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:00:09,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:00:09,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 03:00:09,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:00:09,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:00:09,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:00:09,688 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:00:09,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:00:09,688 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:00:09,688 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:00:09,689 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:00:09,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:00:09,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:00:09,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:00:09,689 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:00:09,689 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:00:09,689 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:00:09,689 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:00:09,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:00:09,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:00:09,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:00:09,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:00:09,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:00:09,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:00:09,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:00:09,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:00:09,691 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:00:09,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:00:09,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:00:09,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:00:09,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:00:09,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:00:09,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:00:09,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:00:09,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:00:09,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:00:09,693 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:00:09,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:00:09,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:00:09,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:00:09,694 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2019-11-26 03:00:09,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:00:09,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:00:09,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:00:09,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:00:09,892 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:00:09,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2019-11-26 03:00:09,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/data/111bc9287/0de699719e494d22b8a9b8a06d826d38/FLAGeb5db61ae [2019-11-26 03:00:10,366 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:00:10,366 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2019-11-26 03:00:10,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/data/111bc9287/0de699719e494d22b8a9b8a06d826d38/FLAGeb5db61ae [2019-11-26 03:00:10,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/data/111bc9287/0de699719e494d22b8a9b8a06d826d38 [2019-11-26 03:00:10,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:00:10,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:00:10,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:10,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:00:10,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:00:10,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:10" (1/1) ... [2019-11-26 03:00:10,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1206ce3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:10, skipping insertion in model container [2019-11-26 03:00:10,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:10" (1/1) ... [2019-11-26 03:00:10,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:00:10,854 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:00:11,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:11,340 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:00:11,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:11,483 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:00:11,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11 WrapperNode [2019-11-26 03:00:11,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:11,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:11,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:00:11,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:00:11,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:11,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:00:11,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:00:11,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:00:11,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:00:11,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:00:11,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:00:11,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:00:11,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:00:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:00:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 03:00:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:00:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:00:13,668 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:00:13,668 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-26 03:00:13,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:13 BoogieIcfgContainer [2019-11-26 03:00:13,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:00:13,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:00:13,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:00:13,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:00:13,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:00:10" (1/3) ... [2019-11-26 03:00:13,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfd7b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:00:13, skipping insertion in model container [2019-11-26 03:00:13,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (2/3) ... [2019-11-26 03:00:13,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfd7b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:00:13, skipping insertion in model container [2019-11-26 03:00:13,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:13" (3/3) ... [2019-11-26 03:00:13,677 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2019-11-26 03:00:13,687 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:00:13,693 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 03:00:13,704 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 03:00:13,726 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:00:13,726 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 03:00:13,726 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:00:13,726 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:00:13,727 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:00:13,727 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:00:13,727 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:00:13,727 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:00:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 03:00:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 03:00:13,748 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:13,749 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:00:13,749 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:00:13,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:13,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1596910146, now seen corresponding path program 1 times [2019-11-26 03:00:13,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:00:13,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548943812] [2019-11-26 03:00:13,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:00:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:14,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548943812] [2019-11-26 03:00:14,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:00:14,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 03:00:14,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388675016] [2019-11-26 03:00:14,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 03:00:14,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:00:14,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 03:00:14,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 03:00:14,108 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2019-11-26 03:00:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:00:14,123 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2019-11-26 03:00:14,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 03:00:14,124 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 03:00:14,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:00:14,133 INFO L225 Difference]: With dead ends: 50 [2019-11-26 03:00:14,134 INFO L226 Difference]: Without dead ends: 24 [2019-11-26 03:00:14,138 INFO L630 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 [2019-11-26 03:00:14,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-26 03:00:14,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-26 03:00:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 03:00:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-26 03:00:14,173 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 8 [2019-11-26 03:00:14,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:00:14,174 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-26 03:00:14,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 03:00:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-26 03:00:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 03:00:14,175 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:14,175 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:00:14,175 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:00:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:14,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1233524924, now seen corresponding path program 1 times [2019-11-26 03:00:14,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:00:14,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133867054] [2019-11-26 03:00:14,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:00:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:14,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133867054] [2019-11-26 03:00:14,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:00:14,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-26 03:00:14,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29057342] [2019-11-26 03:00:14,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 03:00:14,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:00:14,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 03:00:14,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-26 03:00:14,384 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand 6 states. [2019-11-26 03:00:14,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:00:14,720 INFO L93 Difference]: Finished difference Result 72 states and 92 transitions. [2019-11-26 03:00:14,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-26 03:00:14,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2019-11-26 03:00:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:00:14,722 INFO L225 Difference]: With dead ends: 72 [2019-11-26 03:00:14,722 INFO L226 Difference]: Without dead ends: 45 [2019-11-26 03:00:14,723 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-26 03:00:14,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-26 03:00:14,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 29. [2019-11-26 03:00:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-26 03:00:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-11-26 03:00:14,730 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 8 [2019-11-26 03:00:14,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:00:14,730 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-26 03:00:14,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 03:00:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2019-11-26 03:00:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 03:00:14,731 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:14,731 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:00:14,732 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:00:14,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:14,732 INFO L82 PathProgramCache]: Analyzing trace with hash 458294884, now seen corresponding path program 1 times [2019-11-26 03:00:14,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:00:14,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490149806] [2019-11-26 03:00:14,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:00:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:15,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490149806] [2019-11-26 03:00:15,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081088556] [2019-11-26 03:00:15,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 03:00:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:15,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-26 03:00:15,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 03:00:15,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,642 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 17 [2019-11-26 03:00:15,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 03:00:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:15,705 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 03:00:15,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,801 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:15,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:16,096 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 21 [2019-11-26 03:00:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:16,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1695852338] [2019-11-26 03:00:16,120 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-26 03:00:16,120 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 03:00:16,125 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 03:00:16,131 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 03:00:16,131 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 03:00:23,765 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-26 03:00:25,540 WARN L192 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-26 03:00:25,676 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-26 03:00:26,148 WARN L192 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 577 [2019-11-26 03:00:27,217 WARN L192 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 371 [2019-11-26 03:00:30,338 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 03:00:32,405 WARN L192 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 365 DAG size of output: 203 [2019-11-26 03:00:36,761 WARN L192 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 484 DAG size of output: 429 [2019-11-26 03:00:37,804 WARN L192 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 144 [2019-11-26 03:00:39,595 WARN L192 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 344 DAG size of output: 249 [2019-11-26 03:00:41,424 WARN L192 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 354 DAG size of output: 251 [2019-11-26 03:00:43,134 WARN L192 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 364 DAG size of output: 220 [2019-11-26 03:00:43,137 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 03:00:43,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 03:00:43,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2019-11-26 03:00:43,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990661567] [2019-11-26 03:00:43,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-26 03:00:43,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:00:43,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-26 03:00:43,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2019-11-26 03:00:43,140 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand 15 states. [2019-11-26 03:00:43,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:00:43,709 INFO L93 Difference]: Finished difference Result 48 states and 62 transitions. [2019-11-26 03:00:43,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 03:00:43,710 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 11 [2019-11-26 03:00:43,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:00:43,710 INFO L225 Difference]: With dead ends: 48 [2019-11-26 03:00:43,710 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 03:00:43,711 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2019-11-26 03:00:43,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 03:00:43,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 03:00:43,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 03:00:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 03:00:43,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-26 03:00:43,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:00:43,712 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 03:00:43,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-26 03:00:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 03:00:43,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:00:43,913 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 03:00:43,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 03:00:44,199 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-11-26 03:00:44,199 INFO L440 ceAbstractionStarter]: At program point L333(lines 333 346) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= ~pumpRunning~0 0))) (and (= 1 ~systemActive~0) (or (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1) (and .cse0 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 2))) (or .cse0 (< ~waterLevel~0 2)) (or (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5) (= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5) (not .cse1)) (or (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse1))) [2019-11-26 03:00:44,200 INFO L440 ceAbstractionStarter]: At program point L333-1(lines 1 962) the Hoare annotation is: (and (= 1 ~systemActive~0) (or (= ~pumpRunning~0 1) (< ~waterLevel~0 2)) (or (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) [2019-11-26 03:00:44,200 INFO L440 ceAbstractionStarter]: At program point L333-2(lines 333 346) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,200 INFO L440 ceAbstractionStarter]: At program point L333-3(lines 1 962) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,200 INFO L440 ceAbstractionStarter]: At program point L333-4(lines 333 346) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,200 INFO L440 ceAbstractionStarter]: At program point L333-5(lines 1 962) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,200 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2019-11-26 03:00:44,200 INFO L444 ceAbstractionStarter]: For program point L337-2(lines 337 343) no Hoare annotation was computed. [2019-11-26 03:00:44,201 INFO L444 ceAbstractionStarter]: For program point L337-4(lines 337 343) no Hoare annotation was computed. [2019-11-26 03:00:44,201 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-11-26 03:00:44,201 INFO L440 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (and (= 1 ~systemActive~0) (or (= ~pumpRunning~0 1) (< ~waterLevel~0 2)) (or (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) [2019-11-26 03:00:44,201 INFO L440 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,201 INFO L440 ceAbstractionStarter]: At program point L874(lines 874 878) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,201 INFO L440 ceAbstractionStarter]: At program point L941(lines 941 948) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,201 INFO L447 ceAbstractionStarter]: At program point L941-1(lines 941 948) the Hoare annotation is: true [2019-11-26 03:00:44,202 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 03:00:44,202 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 03:00:44,202 INFO L440 ceAbstractionStarter]: At program point L327(lines 327 347) the Hoare annotation is: (and (= 1 ~systemActive~0) (or (= ~pumpRunning~0 1) (< ~waterLevel~0 2)) (or (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) [2019-11-26 03:00:44,202 INFO L440 ceAbstractionStarter]: At program point L327-2(lines 327 347) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,202 INFO L440 ceAbstractionStarter]: At program point L327-4(lines 327 347) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2019-11-26 03:00:44,202 INFO L440 ceAbstractionStarter]: At program point L262(lines 261 306) the Hoare annotation is: (and (= 1 ~systemActive~0) (or (= ~pumpRunning~0 1) (< ~waterLevel~0 2)) (or (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) [2019-11-26 03:00:44,202 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-11-26 03:00:44,203 INFO L444 ceAbstractionStarter]: For program point L959(line 959) no Hoare annotation was computed. [2019-11-26 03:00:44,203 INFO L444 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-11-26 03:00:44,203 INFO L444 ceAbstractionStarter]: For program point L959-2(line 959) no Hoare annotation was computed. [2019-11-26 03:00:44,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:00:44 BoogieIcfgContainer [2019-11-26 03:00:44,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:00:44,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:00:44,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:00:44,224 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:00:44,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:13" (3/4) ... [2019-11-26 03:00:44,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:00:44,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 108 nodes and edges [2019-11-26 03:00:44,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2019-11-26 03:00:44,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-26 03:00:44,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:00:44,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:00:44,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:44,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:44,402 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9620d1c2-3b00-4a8f-b451-96ad3ca894e9/bin/utaipan/witness.graphml [2019-11-26 03:00:44,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:00:44,404 INFO L168 Benchmark]: Toolchain (without parser) took 33633.34 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 688.4 MB). Free memory was 944.7 MB in the beginning and 1.4 GB in the end (delta: -493.7 MB). Peak memory consumption was 194.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:44,405 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:00:44,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -233.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:44,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:44,406 INFO L168 Benchmark]: Boogie Preprocessor took 66.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:00:44,406 INFO L168 Benchmark]: RCFGBuilder took 2040.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 938.7 MB in the end (delta: 228.4 MB). Peak memory consumption was 228.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:44,406 INFO L168 Benchmark]: TraceAbstraction took 30552.72 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 498.6 MB). Free memory was 938.7 MB in the beginning and 1.4 GB in the end (delta: -503.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:00:44,407 INFO L168 Benchmark]: Witness Printer took 179.48 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:44,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 701.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -233.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2040.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 938.7 MB in the end (delta: 228.4 MB). Peak memory consumption was 228.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30552.72 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 498.6 MB). Free memory was 938.7 MB in the beginning and 1.4 GB in the end (delta: -503.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 179.48 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: 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: 870]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel <= 1) && pumpRunning == 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel <= 1) && pumpRunning == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (1 == systemActive && (pumpRunning == 1 || waterLevel < 2)) && ((1 < waterLevel && waterLevel <= 2) || pumpRunning == 0) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: (((1 == systemActive && (tmp___0 <= 1 || (pumpRunning == 1 && tmp___0 <= 2))) && (pumpRunning == 1 || waterLevel < 2)) && ((0 == tmp || 1 == tmp) || !(pumpRunning == 0))) && ((1 < waterLevel && waterLevel <= 2) || pumpRunning == 0) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && (pumpRunning == 1 || waterLevel < 2)) && ((1 < waterLevel && waterLevel <= 2) || pumpRunning == 0) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((1 == systemActive && tmp___0 <= 1) && waterLevel <= 1) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel <= 1) && pumpRunning == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel <= 1) && pumpRunning == 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((1 == systemActive && tmp___0 <= 1) && waterLevel <= 1) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (1 == systemActive && (pumpRunning == 1 || waterLevel < 2)) && ((1 < waterLevel && waterLevel <= 2) || pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel <= 1) && pumpRunning == 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (1 == systemActive && (pumpRunning == 1 || waterLevel < 2)) && ((1 < waterLevel && waterLevel <= 2) || pumpRunning == 0) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel <= 1) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 30.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 82 SDtfs, 143 SDslu, 152 SDs, 0 SdLazy, 179 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=2, 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, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 54 NumberOfFragments, 233 HoareAnnotationTreeSize, 16 FomulaSimplifications, 393 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 308 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 4003 SizeOfPredicates, 61 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...