./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_math_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_math_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 048dc8680b8ad79c5b7f9350cbf77794fd0e2335 ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:07:44,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:07:44,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:07:44,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:07:44,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:07:44,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:07:44,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:07:44,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:07:44,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:07:44,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:07:44,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:07:44,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:07:44,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:07:44,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:07:44,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:07:44,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:07:44,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:07:44,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:07:44,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:07:44,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:07:44,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:07:44,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:07:44,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:07:44,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:07:44,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:07:44,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:07:44,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:07:44,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:07:44,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:07:44,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:07:44,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:07:44,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:07:44,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:07:44,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:07:44,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:07:44,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:07:44,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:07:44,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:07:44,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:07:44,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:07:44,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:07:44,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:07:44,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:07:44,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:07:44,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:07:44,891 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:07:44,892 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:07:44,892 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:07:44,892 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:07:44,892 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:07:44,892 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:07:44,892 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:07:44,892 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:07:44,892 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:07:44,892 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:07:44,893 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:07:44,893 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:07:44,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:07:44,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:07:44,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:07:44,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:07:44,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:07:44,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:07:44,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:07:44,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:07:44,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:07:44,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:07:44,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:07:44,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:07:44,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:07:44,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:07:44,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:07:44,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:07:44,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:07:44,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:07:44,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:07:44,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:07:44,895 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:07:44,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:07:44,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:07:44,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:07:44,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:07:44,896 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 048dc8680b8ad79c5b7f9350cbf77794fd0e2335 [2019-12-07 15:07:45,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:07:45,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:07:45,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:07:45,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:07:45,011 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:07:45,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/../../sv-benchmarks/c/psyco/psyco_math_1.c [2019-12-07 15:07:45,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/data/8ee82da20/be8db01446e147eab59f1dfb8bd5895c/FLAG366ceadb9 [2019-12-07 15:07:45,552 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:07:45,552 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/sv-benchmarks/c/psyco/psyco_math_1.c [2019-12-07 15:07:45,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/data/8ee82da20/be8db01446e147eab59f1dfb8bd5895c/FLAG366ceadb9 [2019-12-07 15:07:46,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/data/8ee82da20/be8db01446e147eab59f1dfb8bd5895c [2019-12-07 15:07:46,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:07:46,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:07:46,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:07:46,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:07:46,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:07:46,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d50c974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46, skipping insertion in model container [2019-12-07 15:07:46,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:07:46,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:07:46,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:07:46,242 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:07:46,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:07:46,275 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:07:46,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46 WrapperNode [2019-12-07 15:07:46,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:07:46,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:07:46,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:07:46,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:07:46,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:07:46,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:07:46,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:07:46,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:07:46,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... [2019-12-07 15:07:46,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:07:46,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:07:46,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:07:46,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:07:46,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:07:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:07:46,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:07:46,619 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:07:46,619 INFO L287 CfgBuilder]: Removed 13 assume(true) statements. [2019-12-07 15:07:46,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:07:46 BoogieIcfgContainer [2019-12-07 15:07:46,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:07:46,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:07:46,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:07:46,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:07:46,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:07:46" (1/3) ... [2019-12-07 15:07:46,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e0b181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:07:46, skipping insertion in model container [2019-12-07 15:07:46,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:07:46" (2/3) ... [2019-12-07 15:07:46,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e0b181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:07:46, skipping insertion in model container [2019-12-07 15:07:46,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:07:46" (3/3) ... [2019-12-07 15:07:46,624 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2019-12-07 15:07:46,631 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:07:46,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:07:46,642 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:07:46,658 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:07:46,658 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:07:46,658 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:07:46,658 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:07:46,658 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:07:46,658 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:07:46,658 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:07:46,659 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:07:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2019-12-07 15:07:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 15:07:46,673 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:07:46,673 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:07:46,673 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:07:46,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:07:46,677 INFO L82 PathProgramCache]: Analyzing trace with hash 86233585, now seen corresponding path program 1 times [2019-12-07 15:07:46,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:07:46,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715109800] [2019-12-07 15:07:46,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:07:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:07:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:07:46,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715109800] [2019-12-07 15:07:46,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:07:46,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:07:46,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845280192] [2019-12-07 15:07:46,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:07:46,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:07:46,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:07:46,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:07:46,794 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states. [2019-12-07 15:07:46,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:07:46,809 INFO L93 Difference]: Finished difference Result 130 states and 249 transitions. [2019-12-07 15:07:46,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:07:46,810 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 15:07:46,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:07:46,815 INFO L225 Difference]: With dead ends: 130 [2019-12-07 15:07:46,815 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:07:46,817 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:07:46,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:07:46,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:07:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:07:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:07:46,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-07 15:07:46,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:07:46,833 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:07:46,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:07:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:07:46,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:07:46,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point L85(lines 85 100) no Hoare annotation was computed. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point L52(lines 52 62) no Hoare annotation was computed. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point L234(lines 234 236) no Hoare annotation was computed. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point L69(lines 69 84) no Hoare annotation was computed. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point L152(lines 152 166) no Hoare annotation was computed. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point L119(lines 119 130) no Hoare annotation was computed. [2019-12-07 15:07:46,847 INFO L246 CegarLoopResult]: For program point L169(lines 169 179) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L136(lines 136 353) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L103(lines 103 114) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L219(lines 219 221) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L87(lines 87 98) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L203(lines 203 205) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L137(lines 137 151) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L71(lines 71 82) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L249 CegarLoopResult]: At program point L352(lines 26 356) the Hoare annotation is: true [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L154(lines 154 164) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L336(lines 336 350) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L188(lines 188 190) no Hoare annotation was computed. [2019-12-07 15:07:46,848 INFO L246 CegarLoopResult]: For program point L56(lines 56 58) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L139(lines 139 149) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L321(lines 321 335) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L123(lines 123 125) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L338(lines 338 348) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L305(lines 305 320) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L173(lines 173 175) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L107(lines 107 109) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L289(lines 289 304) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L91(lines 91 93) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L75(lines 75 77) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L323(lines 323 333) no Hoare annotation was computed. [2019-12-07 15:07:46,849 INFO L246 CegarLoopResult]: For program point L158(lines 158 160) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L249 CegarLoopResult]: At program point L26-2(lines 26 356) the Hoare annotation is: true [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L26-3(lines 26 356) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L274(lines 274 288) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L291(lines 291 302) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L143(lines 143 145) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L259(lines 259 273) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L342(lines 342 344) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L276(lines 276 286) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L243(lines 243 258) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L242 CegarLoopResult]: At program point L343(lines 18 361) the Hoare annotation is: false [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L327(lines 327 329) no Hoare annotation was computed. [2019-12-07 15:07:46,850 INFO L246 CegarLoopResult]: For program point L261(lines 261 271) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L228(lines 228 242) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L311(lines 311 313) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L245(lines 245 256) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L295(lines 295 297) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L213(lines 213 227) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L230(lines 230 240) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L197(lines 197 212) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L280(lines 280 282) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 360) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L49(lines 49 67) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L215(lines 215 225) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L182(lines 182 196) no Hoare annotation was computed. [2019-12-07 15:07:46,851 INFO L246 CegarLoopResult]: For program point L50(lines 50 64) no Hoare annotation was computed. [2019-12-07 15:07:46,852 INFO L246 CegarLoopResult]: For program point L265(lines 265 267) no Hoare annotation was computed. [2019-12-07 15:07:46,852 INFO L246 CegarLoopResult]: For program point L199(lines 199 210) no Hoare annotation was computed. [2019-12-07 15:07:46,852 INFO L246 CegarLoopResult]: For program point L249(lines 249 251) no Hoare annotation was computed. [2019-12-07 15:07:46,852 INFO L246 CegarLoopResult]: For program point L117(lines 117 132) no Hoare annotation was computed. [2019-12-07 15:07:46,852 INFO L249 CegarLoopResult]: At program point L18(lines 18 361) the Hoare annotation is: true [2019-12-07 15:07:46,852 INFO L246 CegarLoopResult]: For program point L167(lines 167 181) no Hoare annotation was computed. [2019-12-07 15:07:46,852 INFO L246 CegarLoopResult]: For program point L101(lines 101 116) no Hoare annotation was computed. [2019-12-07 15:07:46,852 INFO L246 CegarLoopResult]: For program point L68(lines 68 135) no Hoare annotation was computed. [2019-12-07 15:07:46,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:07:46 BoogieIcfgContainer [2019-12-07 15:07:46,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:07:46,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:07:46,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:07:46,860 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:07:46,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:07:46" (3/4) ... [2019-12-07 15:07:46,862 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:07:46,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 15:07:46,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:07:46,895 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_afa41d9a-6de6-4ceb-bbae-73115631d79e/bin/utaipan/witness.graphml [2019-12-07 15:07:46,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:07:46,897 INFO L168 Benchmark]: Toolchain (without parser) took 853.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -74.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:07:46,897 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:07:46,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:07:46,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:07:46,898 INFO L168 Benchmark]: Boogie Preprocessor took 20.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:07:46,899 INFO L168 Benchmark]: RCFGBuilder took 293.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:07:46,899 INFO L168 Benchmark]: TraceAbstraction took 239.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:07:46,899 INFO L168 Benchmark]: Witness Printer took 36.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:07:46,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 230.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 293.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 239.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 36.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 360]: 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: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 68 locations, 1 error locations. Result: SAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...