./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.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_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/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 3894847563f94cbdd0635f6155c1daf0bb2475fc ...................................................................................................................................................................................................................................................................................................................... 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 02:50:11,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:50:11,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:50:11,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:50:11,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:50:11,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:50:11,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:50:11,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:50:11,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:50:11,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:50:11,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:50:11,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:50:11,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:50:11,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:50:11,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:50:11,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:50:11,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:50:11,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:50:11,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:50:11,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:50:11,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:50:11,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:50:11,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:50:11,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:50:11,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:50:11,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:50:11,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:50:11,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:50:11,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:50:11,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:50:11,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:50:11,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:50:11,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:50:11,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:50:11,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:50:11,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:50:11,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:50:11,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:50:11,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:50:11,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:50:11,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:50:11,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:50:11,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:50:11,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:50:11,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:50:11,662 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:50:11,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:50:11,662 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:50:11,665 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:50:11,665 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:50:11,666 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:50:11,666 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:50:11,667 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:50:11,667 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:50:11,667 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:50:11,667 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:50:11,667 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:50:11,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:50:11,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:50:11,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:50:11,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:50:11,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:50:11,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:50:11,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:50:11,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:50:11,670 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:50:11,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:50:11,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:50:11,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:50:11,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:50:11,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:50:11,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:50:11,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:50:11,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:50:11,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:50:11,672 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:50:11,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:50:11,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:50:11,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:50:11,673 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_4d636ea6-29fa-4172-b0f6-de9e399b7204/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 -> 3894847563f94cbdd0635f6155c1daf0bb2475fc [2019-11-26 02:50:11,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:50:11,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:50:11,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:50:11,834 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:50:11,835 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:50:11,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-26 02:50:11,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/data/61fd3740d/b76539a0bbc446939ed30059227f38b6/FLAG8cfc22c25 [2019-11-26 02:50:12,292 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:50:12,292 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-26 02:50:12,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/data/61fd3740d/b76539a0bbc446939ed30059227f38b6/FLAG8cfc22c25 [2019-11-26 02:50:12,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/data/61fd3740d/b76539a0bbc446939ed30059227f38b6 [2019-11-26 02:50:12,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:50:12,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:50:12,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:50:12,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:50:12,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:50:12,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4462d1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12, skipping insertion in model container [2019-11-26 02:50:12,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:50:12,363 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:50:12,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:50:12,510 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:50:12,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:50:12,598 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:50:12,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12 WrapperNode [2019-11-26 02:50:12,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:50:12,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:50:12,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:50:12,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:50:12,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:50:12,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:50:12,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:50:12,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:50:12,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... [2019-11-26 02:50:12,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:50:12,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:50:12,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:50:12,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:50:12,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/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 02:50:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:50:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:50:12,876 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:50:12,876 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:50:12,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:12 BoogieIcfgContainer [2019-11-26 02:50:12,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:50:12,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:50:12,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:50:12,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:50:12,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:50:12" (1/3) ... [2019-11-26 02:50:12,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43de402f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:50:12, skipping insertion in model container [2019-11-26 02:50:12,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:12" (2/3) ... [2019-11-26 02:50:12,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43de402f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:50:12, skipping insertion in model container [2019-11-26 02:50:12,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:12" (3/3) ... [2019-11-26 02:50:12,887 INFO L109 eAbstractionObserver]: Analyzing ICFG gsv2008.c.i.v+cfa-reducer.c [2019-11-26 02:50:12,895 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:50:12,902 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:50:12,912 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:50:12,942 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:50:12,942 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:50:12,942 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:50:12,942 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:50:12,943 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:50:12,943 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:50:12,943 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:50:12,943 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:50:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-26 02:50:12,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:50:12,964 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:50:12,965 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:50:12,966 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:50:12,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:50:12,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1724589170, now seen corresponding path program 1 times [2019-11-26 02:50:12,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:50:12,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100046518] [2019-11-26 02:50:12,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:50:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:13,098 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 02:50:13,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100046518] [2019-11-26 02:50:13,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:50:13,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:50:13,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055848549] [2019-11-26 02:50:13,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:50:13,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:50:13,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:50:13,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:50:13,119 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-11-26 02:50:13,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:50:13,142 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2019-11-26 02:50:13,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:50:13,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-26 02:50:13,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:50:13,152 INFO L225 Difference]: With dead ends: 17 [2019-11-26 02:50:13,152 INFO L226 Difference]: Without dead ends: 8 [2019-11-26 02:50:13,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:50:13,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-26 02:50:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-26 02:50:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-26 02:50:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-11-26 02:50:13,210 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2019-11-26 02:50:13,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:50:13,210 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-11-26 02:50:13,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:50:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-11-26 02:50:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:50:13,211 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:50:13,211 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:50:13,212 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:50:13,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:50:13,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1922594244, now seen corresponding path program 1 times [2019-11-26 02:50:13,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:50:13,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039674450] [2019-11-26 02:50:13,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:50:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:13,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039674450] [2019-11-26 02:50:13,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930908624] [2019-11-26 02:50:13,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/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 02:50:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:13,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 02:50:13,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:50:13,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:13,356 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:50:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:13,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-26 02:50:13,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [4] total 8 [2019-11-26 02:50:13,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928900890] [2019-11-26 02:50:13,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:50:13,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:50:13,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:50:13,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:50:13,396 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 6 states. [2019-11-26 02:50:13,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:50:13,452 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-11-26 02:50:13,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:50:13,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-11-26 02:50:13,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:50:13,453 INFO L225 Difference]: With dead ends: 8 [2019-11-26 02:50:13,453 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:50:13,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:50:13,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:50:13,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:50:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:50:13,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:50:13,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-26 02:50:13,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:50:13,455 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:50:13,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:50:13,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:50:13,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:50:13,656 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:50:13,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:50:13,691 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:50:13,691 INFO L440 ceAbstractionStarter]: At program point L32(lines 25 53) the Hoare annotation is: (or (<= (+ ULTIMATE.start_main_~main__x~0 2) ULTIMATE.start_main_~main__y~0) (<= (+ ULTIMATE.start_main_~main__x~0 50) 0)) [2019-11-26 02:50:13,691 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:50:13,692 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2019-11-26 02:50:13,692 INFO L444 ceAbstractionStarter]: For program point L20(lines 20 53) no Hoare annotation was computed. [2019-11-26 02:50:13,692 INFO L447 ceAbstractionStarter]: At program point L49(lines 8 55) the Hoare annotation is: true [2019-11-26 02:50:13,692 INFO L444 ceAbstractionStarter]: For program point L14(lines 14 54) no Hoare annotation was computed. [2019-11-26 02:50:13,692 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-26 02:50:13,692 INFO L444 ceAbstractionStarter]: For program point L41(lines 41 50) no Hoare annotation was computed. [2019-11-26 02:50:13,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:50:13 BoogieIcfgContainer [2019-11-26 02:50:13,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:50:13,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:50:13,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:50:13,708 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:50:13,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:12" (3/4) ... [2019-11-26 02:50:13,712 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:50:13,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:50:13,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:50:13,767 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4d636ea6-29fa-4172-b0f6-de9e399b7204/bin/utaipan/witness.graphml [2019-11-26 02:50:13,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:50:13,770 INFO L168 Benchmark]: Toolchain (without parser) took 1448.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -110.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:13,770 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:13,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:13,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:13,771 INFO L168 Benchmark]: Boogie Preprocessor took 13.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:13,772 INFO L168 Benchmark]: RCFGBuilder took 237.31 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:13,772 INFO L168 Benchmark]: TraceAbstraction took 827.65 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:13,772 INFO L168 Benchmark]: Witness Printer took 60.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:13,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 237.31 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 827.65 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: main__x + 2 <= main__y || main__x + 50 <= 0 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 16 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 12 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 6 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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...