./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe54aa6cbf5093caec91497905a5a8a5f126c540 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 19:38:45,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:38:45,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:38:45,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:38:45,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:38:45,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:38:45,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:38:45,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:38:45,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:38:45,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:38:45,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:38:45,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:38:45,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:38:45,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:38:45,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:38:45,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:38:45,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:38:45,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:38:45,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:38:45,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:38:45,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:38:45,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:38:45,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:38:45,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:38:45,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:38:45,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:38:45,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:38:45,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:38:45,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:38:45,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:38:45,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:38:45,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:38:45,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:38:45,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:38:45,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:38:45,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:38:45,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:38:45,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:38:45,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:38:45,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:38:45,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:38:45,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:38:46,006 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:38:46,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:38:46,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:38:46,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:38:46,009 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:38:46,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:38:46,010 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:38:46,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:38:46,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:38:46,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:38:46,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:38:46,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:38:46,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:38:46,013 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:38:46,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:38:46,013 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:38:46,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:38:46,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:38:46,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:38:46,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:38:46,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:38:46,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:38:46,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:38:46,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:38:46,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:38:46,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:38:46,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:38:46,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:38:46,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:38:46,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe54aa6cbf5093caec91497905a5a8a5f126c540 [2020-10-25 19:38:46,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:38:46,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:38:46,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:38:46,463 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:38:46,464 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:38:46,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c [2020-10-25 19:38:46,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dfba5327/59ced3e59bd94e818b8fef51b3f13222/FLAGefe4f9397 [2020-10-25 19:38:47,127 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:38:47,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1b.cil.c [2020-10-25 19:38:47,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dfba5327/59ced3e59bd94e818b8fef51b3f13222/FLAGefe4f9397 [2020-10-25 19:38:47,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dfba5327/59ced3e59bd94e818b8fef51b3f13222 [2020-10-25 19:38:47,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:38:47,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:38:47,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:38:47,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:38:47,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:38:47,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cbcc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47, skipping insertion in model container [2020-10-25 19:38:47,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:38:47,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:38:47,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:38:47,784 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:38:47,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:38:47,823 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:38:47,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47 WrapperNode [2020-10-25 19:38:47,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:38:47,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:38:47,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:38:47,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:38:47,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:38:47,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:38:47,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:38:47,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:38:47,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... [2020-10-25 19:38:47,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:38:47,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:38:47,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:38:47,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:38:47,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2020-10-25 19:38:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:38:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:38:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:38:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:38:48,245 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:38:48,246 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-25 19:38:48,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:38:48 BoogieIcfgContainer [2020-10-25 19:38:48,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:38:48,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:38:48,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:38:48,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:38:48,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:38:47" (1/3) ... [2020-10-25 19:38:48,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3602d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:38:48, skipping insertion in model container [2020-10-25 19:38:48,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:38:47" (2/3) ... [2020-10-25 19:38:48,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3602d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:38:48, skipping insertion in model container [2020-10-25 19:38:48,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:38:48" (3/3) ... [2020-10-25 19:38:48,257 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1b.cil.c [2020-10-25 19:38:48,274 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:38:48,280 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:38:48,299 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:38:48,333 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:38:48,333 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:38:48,333 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:38:48,334 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:38:48,334 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:38:48,334 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:38:48,334 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:38:48,334 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:38:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-10-25 19:38:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-25 19:38:48,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:48,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-25 19:38:48,359 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:48,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:48,366 INFO L82 PathProgramCache]: Analyzing trace with hash 28699838, now seen corresponding path program 1 times [2020-10-25 19:38:48,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:48,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352217337] [2020-10-25 19:38:48,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:38:48,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352217337] [2020-10-25 19:38:48,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:48,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:48,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924042386] [2020-10-25 19:38:48,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:48,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:48,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:48,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:48,745 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2020-10-25 19:38:48,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:48,832 INFO L93 Difference]: Finished difference Result 66 states and 110 transitions. [2020-10-25 19:38:48,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:48,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-25 19:38:48,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:48,846 INFO L225 Difference]: With dead ends: 66 [2020-10-25 19:38:48,847 INFO L226 Difference]: Without dead ends: 35 [2020-10-25 19:38:48,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:48,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-25 19:38:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-25 19:38:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-25 19:38:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-25 19:38:48,897 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 5 [2020-10-25 19:38:48,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:48,898 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-25 19:38:48,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-25 19:38:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-25 19:38:48,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:48,899 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:48,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:38:48,900 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:48,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:48,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1523322994, now seen corresponding path program 1 times [2020-10-25 19:38:48,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:48,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686934971] [2020-10-25 19:38:48,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:38:48,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686934971] [2020-10-25 19:38:48,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:48,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:48,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284249739] [2020-10-25 19:38:48,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:48,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:48,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:48,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:48,961 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-10-25 19:38:49,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:49,014 INFO L93 Difference]: Finished difference Result 66 states and 99 transitions. [2020-10-25 19:38:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:49,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-25 19:38:49,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:49,016 INFO L225 Difference]: With dead ends: 66 [2020-10-25 19:38:49,016 INFO L226 Difference]: Without dead ends: 48 [2020-10-25 19:38:49,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-25 19:38:49,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-25 19:38:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-25 19:38:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2020-10-25 19:38:49,028 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 10 [2020-10-25 19:38:49,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:49,029 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2020-10-25 19:38:49,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:49,029 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2020-10-25 19:38:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 19:38:49,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:49,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:49,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:38:49,031 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:49,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:49,033 INFO L82 PathProgramCache]: Analyzing trace with hash 864936600, now seen corresponding path program 1 times [2020-10-25 19:38:49,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:49,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785864492] [2020-10-25 19:38:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:38:49,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785864492] [2020-10-25 19:38:49,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:49,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:49,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794753022] [2020-10-25 19:38:49,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:49,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:49,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:49,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,081 INFO L87 Difference]: Start difference. First operand 48 states and 67 transitions. Second operand 3 states. [2020-10-25 19:38:49,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:49,131 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2020-10-25 19:38:49,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:49,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 19:38:49,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:49,134 INFO L225 Difference]: With dead ends: 89 [2020-10-25 19:38:49,134 INFO L226 Difference]: Without dead ends: 58 [2020-10-25 19:38:49,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-25 19:38:49,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2020-10-25 19:38:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-25 19:38:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions. [2020-10-25 19:38:49,146 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 17 [2020-10-25 19:38:49,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:49,147 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 76 transitions. [2020-10-25 19:38:49,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:49,147 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2020-10-25 19:38:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 19:38:49,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:49,149 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:49,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:38:49,149 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:49,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:49,150 INFO L82 PathProgramCache]: Analyzing trace with hash 163872022, now seen corresponding path program 1 times [2020-10-25 19:38:49,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:49,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130855251] [2020-10-25 19:38:49,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 19:38:49,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130855251] [2020-10-25 19:38:49,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:49,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:49,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498201244] [2020-10-25 19:38:49,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:49,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:49,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:49,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,228 INFO L87 Difference]: Start difference. First operand 56 states and 76 transitions. Second operand 3 states. [2020-10-25 19:38:49,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:49,305 INFO L93 Difference]: Finished difference Result 117 states and 164 transitions. [2020-10-25 19:38:49,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:49,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 19:38:49,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:49,307 INFO L225 Difference]: With dead ends: 117 [2020-10-25 19:38:49,307 INFO L226 Difference]: Without dead ends: 78 [2020-10-25 19:38:49,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-25 19:38:49,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-10-25 19:38:49,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-25 19:38:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 106 transitions. [2020-10-25 19:38:49,323 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 106 transitions. Word has length 17 [2020-10-25 19:38:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:49,324 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 106 transitions. [2020-10-25 19:38:49,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2020-10-25 19:38:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 19:38:49,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:49,326 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:49,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:38:49,326 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:49,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:49,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1464847913, now seen corresponding path program 1 times [2020-10-25 19:38:49,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:49,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844707759] [2020-10-25 19:38:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 19:38:49,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844707759] [2020-10-25 19:38:49,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:49,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:49,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226560763] [2020-10-25 19:38:49,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:49,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:49,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:49,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,380 INFO L87 Difference]: Start difference. First operand 76 states and 106 transitions. Second operand 3 states. [2020-10-25 19:38:49,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:49,430 INFO L93 Difference]: Finished difference Result 146 states and 204 transitions. [2020-10-25 19:38:49,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:49,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-25 19:38:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:49,432 INFO L225 Difference]: With dead ends: 146 [2020-10-25 19:38:49,432 INFO L226 Difference]: Without dead ends: 58 [2020-10-25 19:38:49,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-25 19:38:49,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2020-10-25 19:38:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-25 19:38:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2020-10-25 19:38:49,450 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 20 [2020-10-25 19:38:49,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:49,452 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2020-10-25 19:38:49,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2020-10-25 19:38:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 19:38:49,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:38:49,454 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:38:49,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:38:49,455 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:38:49,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:38:49,458 INFO L82 PathProgramCache]: Analyzing trace with hash -12347436, now seen corresponding path program 1 times [2020-10-25 19:38:49,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:38:49,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094358931] [2020-10-25 19:38:49,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:38:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:38:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-25 19:38:49,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094358931] [2020-10-25 19:38:49,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:38:49,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:38:49,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959115579] [2020-10-25 19:38:49,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:38:49,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:38:49,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:38:49,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,570 INFO L87 Difference]: Start difference. First operand 56 states and 69 transitions. Second operand 3 states. [2020-10-25 19:38:49,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:38:49,587 INFO L93 Difference]: Finished difference Result 90 states and 108 transitions. [2020-10-25 19:38:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:38:49,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-25 19:38:49,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:38:49,589 INFO L225 Difference]: With dead ends: 90 [2020-10-25 19:38:49,589 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:38:49,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:38:49,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:38:49,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:38:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:38:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:38:49,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2020-10-25 19:38:49,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:38:49,591 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:38:49,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:38:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:38:49,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:38:49,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:38:49,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:38:49,828 INFO L274 CegarLoopResult]: For program point L97(lines 97 99) no Hoare annotation was computed. [2020-10-25 19:38:49,829 INFO L274 CegarLoopResult]: For program point L31(lines 31 126) no Hoare annotation was computed. [2020-10-25 19:38:49,829 INFO L270 CegarLoopResult]: At program point L27(lines 26 129) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-10-25 19:38:49,829 INFO L270 CegarLoopResult]: At program point L52(lines 51 110) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_main_~s__hit~0 0)) (<= ULTIMATE.start_main_~blastFlag~0 3)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)))) [2020-10-25 19:38:49,829 INFO L270 CegarLoopResult]: At program point L48(lines 47 112) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_main_~s__hit~0 0)) (<= ULTIMATE.start_main_~blastFlag~0 3)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)))) [2020-10-25 19:38:49,830 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 19:38:49,830 INFO L270 CegarLoopResult]: At program point L98(lines 10 142) the Hoare annotation is: false [2020-10-25 19:38:49,832 INFO L270 CegarLoopResult]: At program point L32(lines 31 126) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~s__state~0 8512))) (or (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)))) [2020-10-25 19:38:49,832 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:38:49,832 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:38:49,832 INFO L274 CegarLoopResult]: For program point L94-1(lines 55 108) no Hoare annotation was computed. [2020-10-25 19:38:49,833 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:38:49,833 INFO L274 CegarLoopResult]: For program point L90-1(lines 55 108) no Hoare annotation was computed. [2020-10-25 19:38:49,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 19:38:49,834 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-10-25 19:38:49,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:38:49,834 INFO L274 CegarLoopResult]: For program point L79-1(lines 55 108) no Hoare annotation was computed. [2020-10-25 19:38:49,834 INFO L277 CegarLoopResult]: At program point L141(lines 10 142) the Hoare annotation is: true [2020-10-25 19:38:49,835 INFO L274 CegarLoopResult]: For program point L71(lines 71 75) no Hoare annotation was computed. [2020-10-25 19:38:49,835 INFO L274 CegarLoopResult]: For program point L26(lines 26 129) no Hoare annotation was computed. [2020-10-25 19:38:49,835 INFO L274 CegarLoopResult]: For program point L59-1(lines 55 108) no Hoare annotation was computed. [2020-10-25 19:38:49,835 INFO L274 CegarLoopResult]: For program point L51(lines 51 110) no Hoare annotation was computed. [2020-10-25 19:38:49,836 INFO L274 CegarLoopResult]: For program point L47(lines 47 112) no Hoare annotation was computed. [2020-10-25 19:38:49,836 INFO L277 CegarLoopResult]: At program point L138(lines 10 142) the Hoare annotation is: true [2020-10-25 19:38:49,836 INFO L270 CegarLoopResult]: At program point L101(lines 19 136) the Hoare annotation is: (or (and (<= 8640 ULTIMATE.start_main_~s__state~0) (not (= ULTIMATE.start_main_~s__hit~0 0)) (<= ULTIMATE.start_main_~blastFlag~0 3)) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-10-25 19:38:49,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:38:49 BoogieIcfgContainer [2020-10-25 19:38:49,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:38:49,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:38:49,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:38:49,869 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:38:49,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:38:48" (3/4) ... [2020-10-25 19:38:49,873 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:38:49,889 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-25 19:38:49,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:38:49,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:38:49,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:38:49,947 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:38:49,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:38:49,950 INFO L168 Benchmark]: Toolchain (without parser) took 2449.10 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.9 MB in the beginning and 42.9 MB in the end (delta: -18.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-25 19:38:49,951 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:38:49,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.35 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 25.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:38:49,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.30 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 24.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:38:49,953 INFO L168 Benchmark]: Boogie Preprocessor took 28.29 ms. Allocated memory is still 48.2 MB. Free memory was 24.5 MB in the beginning and 23.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:38:49,954 INFO L168 Benchmark]: RCFGBuilder took 353.99 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 31.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:38:49,954 INFO L168 Benchmark]: TraceAbstraction took 1616.94 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 46.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:38:49,955 INFO L168 Benchmark]: Witness Printer took 79.30 ms. Allocated memory is still 71.3 MB. Free memory was 45.5 MB in the beginning and 42.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:38:49,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 317.35 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 25.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.30 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 24.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.29 ms. Allocated memory is still 48.2 MB. Free memory was 24.5 MB in the beginning and 23.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 353.99 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 31.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1616.94 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 46.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Witness Printer took 79.30 ms. Allocated memory is still 71.3 MB. Free memory was 45.5 MB in the beginning and 42.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (s__state == 8512 && blastFlag == 2) || (s__state == 8512 && blastFlag == 0) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || (8640 <= s__state && blastFlag == 2)) || (8640 <= s__state && blastFlag == 0) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: blastFlag == 2 || blastFlag == 0 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || (8640 <= s__state && blastFlag == 2)) || (8640 <= s__state && blastFlag == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 180 SDtfs, 78 SDslu, 94 SDs, 0 SdLazy, 91 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 31 NumberOfFragments, 95 HoareAnnotationTreeSize, 8 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4080 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 43/43 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...