./Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i --full-output --rcfgbuilder.size.of.a.code.block LoopFreeBlock --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0210da8c Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i ../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 8b8fb82fd886dd019eb017cf0c82ba4eddc31046 --rcfgbuilder.size.of.a.code.block LoopFreeBlock ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0210da8 [2018-10-22 10:09:10,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 10:09:10,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 10:09:10,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 10:09:10,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 10:09:10,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 10:09:10,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 10:09:10,087 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 10:09:10,091 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 10:09:10,098 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 10:09:10,099 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 10:09:10,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 10:09:10,103 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 10:09:10,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 10:09:10,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 10:09:10,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 10:09:10,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 10:09:10,111 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 10:09:10,116 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 10:09:10,118 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 10:09:10,121 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 10:09:10,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 10:09:10,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-22 10:09:10,130 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-22 10:09:10,131 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-22 10:09:10,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-22 10:09:10,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-22 10:09:10,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-22 10:09:10,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-22 10:09:10,135 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-22 10:09:10,135 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-22 10:09:10,136 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-22 10:09:10,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-22 10:09:10,138 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-22 10:09:10,139 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-22 10:09:10,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-22 10:09:10,143 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-22 10:09:10,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 10:09:10,172 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 10:09:10,173 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 10:09:10,173 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-22 10:09:10,174 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-22 10:09:10,178 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-22 10:09:10,178 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-22 10:09:10,179 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-22 10:09:10,179 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-22 10:09:10,179 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-22 10:09:10,179 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-22 10:09:10,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 10:09:10,180 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-22 10:09:10,181 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 10:09:10,182 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-22 10:09:10,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 10:09:10,183 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 10:09:10,183 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 10:09:10,183 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 10:09:10,183 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-22 10:09:10,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 10:09:10,184 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 10:09:10,186 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 10:09:10,186 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 10:09:10,186 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 10:09:10,187 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 10:09:10,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 10:09:10,187 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 10:09:10,187 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 10:09:10,187 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 10:09:10,187 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-22 10:09:10,188 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 10:09:10,188 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 10:09:10,188 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 10:09:10,188 INFO L133 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 -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux 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 -> 8b8fb82fd886dd019eb017cf0c82ba4eddc31046 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock [2018-10-22 10:09:10,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 10:09:10,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 10:09:10,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 10:09:10,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 10:09:10,273 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 10:09:10,274 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i [2018-10-22 10:09:10,333 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5df185284/0c0f162e847544dc840ecb5da44001f5/FLAG06e926b22 [2018-10-22 10:09:10,819 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 10:09:10,820 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03_true-unreach-call_true-termination.i [2018-10-22 10:09:10,826 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5df185284/0c0f162e847544dc840ecb5da44001f5/FLAG06e926b22 [2018-10-22 10:09:10,842 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5df185284/0c0f162e847544dc840ecb5da44001f5 [2018-10-22 10:09:10,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 10:09:10,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-22 10:09:10,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 10:09:10,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 10:09:10,856 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 10:09:10,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:09:10" (1/1) ... [2018-10-22 10:09:10,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c73514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:10, skipping insertion in model container [2018-10-22 10:09:10,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:09:10" (1/1) ... [2018-10-22 10:09:10,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 10:09:10,893 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 10:09:11,073 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 10:09:11,077 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 10:09:11,095 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 10:09:11,111 INFO L193 MainTranslator]: Completed translation [2018-10-22 10:09:11,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11 WrapperNode [2018-10-22 10:09:11,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 10:09:11,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 10:09:11,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 10:09:11,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 10:09:11,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 10:09:11,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 10:09:11,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 10:09:11,136 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 10:09:11,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... [2018-10-22 10:09:11,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 10:09:11,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 10:09:11,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 10:09:11,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 10:09:11,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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 [2018-10-22 10:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-22 10:09:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-22 10:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 10:09:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 10:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-22 10:09:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-22 10:09:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-22 10:09:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-22 10:09:11,764 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 10:09:11,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:09:11 BoogieIcfgContainer [2018-10-22 10:09:11,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 10:09:11,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 10:09:11,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 10:09:11,773 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 10:09:11,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 10:09:10" (1/3) ... [2018-10-22 10:09:11,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c195a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:09:11, skipping insertion in model container [2018-10-22 10:09:11,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:09:11" (2/3) ... [2018-10-22 10:09:11,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c195a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:09:11, skipping insertion in model container [2018-10-22 10:09:11,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:09:11" (3/3) ... [2018-10-22 10:09:11,779 INFO L112 eAbstractionObserver]: Analyzing ICFG trex03_true-unreach-call_true-termination.i [2018-10-22 10:09:11,789 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 10:09:11,797 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 10:09:11,812 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 10:09:11,847 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 10:09:11,847 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 10:09:11,848 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 10:09:11,848 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 10:09:11,848 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 10:09:11,848 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 10:09:11,848 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 10:09:11,848 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 10:09:11,849 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 10:09:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-10-22 10:09:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-22 10:09:11,874 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 10:09:11,875 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 10:09:11,878 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 10:09:11,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 10:09:11,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1575744449, now seen corresponding path program 1 times [2018-10-22 10:09:11,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 10:09:11,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 10:09:11,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 10:09:11,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 10:09:11,947 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 10:09:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 10:09:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 10:09:12,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 10:09:12,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-22 10:09:12,021 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-22 10:09:12,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-22 10:09:12,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-22 10:09:12,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 10:09:12,045 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-10-22 10:09:12,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 10:09:12,069 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-10-22 10:09:12,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-22 10:09:12,071 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-10-22 10:09:12,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 10:09:12,080 INFO L225 Difference]: With dead ends: 29 [2018-10-22 10:09:12,080 INFO L226 Difference]: Without dead ends: 12 [2018-10-22 10:09:12,084 INFO L605 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 [2018-10-22 10:09:12,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-10-22 10:09:12,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-10-22 10:09:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-10-22 10:09:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-10-22 10:09:12,125 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-10-22 10:09:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 10:09:12,125 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-10-22 10:09:12,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-22 10:09:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-10-22 10:09:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-22 10:09:12,126 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 10:09:12,126 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 10:09:12,128 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 10:09:12,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 10:09:12,128 INFO L82 PathProgramCache]: Analyzing trace with hash 998051845, now seen corresponding path program 1 times [2018-10-22 10:09:12,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 10:09:12,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 10:09:12,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 10:09:12,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 10:09:12,132 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 10:09:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 10:09:12,368 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-22 10:09:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 10:09:12,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 10:09:12,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-22 10:09:12,542 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-22 10:09:12,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-22 10:09:12,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-22 10:09:12,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-22 10:09:12,545 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 5 states. [2018-10-22 10:09:12,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 10:09:12,626 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-10-22 10:09:12,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-22 10:09:12,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-10-22 10:09:12,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 10:09:12,628 INFO L225 Difference]: With dead ends: 12 [2018-10-22 10:09:12,628 INFO L226 Difference]: Without dead ends: 0 [2018-10-22 10:09:12,629 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-22 10:09:12,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-22 10:09:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-22 10:09:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-22 10:09:12,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-22 10:09:12,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-10-22 10:09:12,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 10:09:12,631 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-22 10:09:12,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-22 10:09:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-22 10:09:12,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-22 10:09:12,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-22 10:09:12,723 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-22 10:09:12,723 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-22 10:09:12,723 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-22 10:09:12,723 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-22 10:09:12,724 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-22 10:09:12,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-22 10:09:12,724 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 25) no Hoare annotation was computed. [2018-10-22 10:09:12,724 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-22 10:09:12,724 INFO L425 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. [2018-10-22 10:09:12,724 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 22) no Hoare annotation was computed. [2018-10-22 10:09:12,724 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 25) no Hoare annotation was computed. [2018-10-22 10:09:12,725 INFO L428 ceAbstractionStarter]: At program point L15-3(lines 15 22) the Hoare annotation is: true [2018-10-22 10:09:12,725 INFO L421 ceAbstractionStarter]: At program point L15-4(lines 15 22) the Hoare annotation is: (or (= main_~x2~0 (* 4294967296 (div main_~x2~0 4294967296))) (= main_~x3~0 (* 4294967296 (div main_~x3~0 4294967296))) (= main_~x1~0 (* 4294967296 (div main_~x1~0 4294967296)))) [2018-10-22 10:09:12,725 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 25) the Hoare annotation is: true [2018-10-22 10:09:12,725 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 19) no Hoare annotation was computed. [2018-10-22 10:09:12,725 INFO L425 ceAbstractionStarter]: For program point L18-2(lines 17 19) no Hoare annotation was computed. [2018-10-22 10:09:12,725 INFO L425 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-10-22 10:09:12,726 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-10-22 10:09:12,726 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-10-22 10:09:12,726 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-10-22 10:09:12,726 INFO L425 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-10-22 10:09:12,726 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-10-22 10:09:12,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 10:09:12 BoogieIcfgContainer [2018-10-22 10:09:12,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 10:09:12,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-22 10:09:12,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-22 10:09:12,737 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-22 10:09:12,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:09:11" (3/4) ... [2018-10-22 10:09:12,743 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-22 10:09:12,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-22 10:09:12,752 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-22 10:09:12,752 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-22 10:09:12,761 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-22 10:09:12,761 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-22 10:09:12,762 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-22 10:09:12,812 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2018-10-22 10:09:12,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-22 10:09:12,813 INFO L168 Benchmark]: Toolchain (without parser) took 1963.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 949.1 MB in the beginning and 1.1 GB in the end (delta: -123.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-10-22 10:09:12,814 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-22 10:09:12,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.08 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 938.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-22 10:09:12,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.43 ms. Allocated memory is still 1.0 GB. Free memory is still 938.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-22 10:09:12,816 INFO L168 Benchmark]: Boogie Preprocessor took 23.95 ms. Allocated memory is still 1.0 GB. Free memory is still 938.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-22 10:09:12,816 INFO L168 Benchmark]: RCFGBuilder took 604.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 938.4 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-10-22 10:09:12,817 INFO L168 Benchmark]: TraceAbstraction took 970.66 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: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-10-22 10:09:12,818 INFO L168 Benchmark]: Witness Printer took 75.27 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. [2018-10-22 10:09:12,822 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.08 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 938.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.43 ms. Allocated memory is still 1.0 GB. Free memory is still 938.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.95 ms. Allocated memory is still 1.0 GB. Free memory is still 938.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 604.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 938.4 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 970.66 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: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Witness Printer took 75.27 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: 4]: 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: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 1 SDslu, 23 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 28 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...