./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.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_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/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 643b85cfda98ac4fd84758bc794baabdbceeba64 ............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/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 643b85cfda98ac4fd84758bc794baabdbceeba64 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:13:18,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:13:18,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:13:18,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:13:18,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:13:18,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:13:18,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:13:18,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:13:18,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:13:18,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:13:18,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:13:18,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:13:18,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:13:18,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:13:18,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:13:18,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:13:18,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:13:18,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:13:18,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:13:18,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:13:18,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:13:18,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:13:18,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:13:18,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:13:18,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:13:18,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:13:18,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:13:18,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:13:18,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:13:18,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:13:18,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:13:18,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:13:18,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:13:18,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:13:18,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:13:18,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:13:18,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:13:18,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:13:18,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:13:18,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:13:18,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:13:18,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:13:18,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:13:18,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:13:18,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:13:18,278 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:13:18,278 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:13:18,279 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:13:18,279 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:13:18,279 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:13:18,279 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:13:18,279 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:13:18,279 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:13:18,279 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:13:18,280 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:13:18,280 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:13:18,280 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:13:18,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:13:18,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:13:18,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:13:18,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:13:18,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:13:18,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:13:18,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:13:18,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:13:18,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:13:18,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:13:18,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:13:18,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:13:18,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:13:18,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:13:18,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:13:18,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:13:18,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:13:18,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:13:18,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:13:18,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:13:18,283 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:13:18,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:13:18,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:13:18,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:13:18,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:13:18,284 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_1cadf85d-86df-4294-93d7-b6c4934bc905/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 -> 643b85cfda98ac4fd84758bc794baabdbceeba64 [2019-12-07 16:13:18,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:13:18,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:13:18,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:13:18,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:13:18,396 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:13:18,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2019-12-07 16:13:18,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data/31d9f7c4c/5491f1a6e7804d2b99e8652df7780803/FLAG114316471 [2019-12-07 16:13:18,878 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:13:18,879 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2019-12-07 16:13:18,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data/31d9f7c4c/5491f1a6e7804d2b99e8652df7780803/FLAG114316471 [2019-12-07 16:13:18,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data/31d9f7c4c/5491f1a6e7804d2b99e8652df7780803 [2019-12-07 16:13:18,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:13:18,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:13:18,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:13:18,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:13:18,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:13:18,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:13:18" (1/1) ... [2019-12-07 16:13:18,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6e5914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:18, skipping insertion in model container [2019-12-07 16:13:18,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:13:18" (1/1) ... [2019-12-07 16:13:18,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:13:18,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:13:19,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:13:19,089 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:13:19,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:13:19,132 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:13:19,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19 WrapperNode [2019-12-07 16:13:19,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:13:19,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:13:19,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:13:19,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:13:19,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:13:19,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:13:19,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:13:19,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:13:19,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... [2019-12-07 16:13:19,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:13:19,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:13:19,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:13:19,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:13:19,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/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 16:13:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:13:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 16:13:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:13:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 16:13:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:13:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:13:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:13:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:13:19,545 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:13:19,546 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 16:13:19,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:13:19 BoogieIcfgContainer [2019-12-07 16:13:19,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:13:19,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:13:19,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:13:19,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:13:19,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:13:18" (1/3) ... [2019-12-07 16:13:19,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594be2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:13:19, skipping insertion in model container [2019-12-07 16:13:19,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:19" (2/3) ... [2019-12-07 16:13:19,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594be2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:13:19, skipping insertion in model container [2019-12-07 16:13:19,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:13:19" (3/3) ... [2019-12-07 16:13:19,553 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a.c [2019-12-07 16:13:19,560 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:13:19,565 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:13:19,572 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:13:19,586 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:13:19,586 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:13:19,586 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:13:19,586 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:13:19,586 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:13:19,586 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:13:19,587 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:13:19,587 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:13:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-12-07 16:13:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 16:13:19,600 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:13:19,600 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:13:19,600 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:13:19,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:13:19,604 INFO L82 PathProgramCache]: Analyzing trace with hash -904374787, now seen corresponding path program 1 times [2019-12-07 16:13:19,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:13:19,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802013352] [2019-12-07 16:13:19,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:13:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:13:19,691 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 16:13:19,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802013352] [2019-12-07 16:13:19,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:13:19,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:13:19,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736370901] [2019-12-07 16:13:19,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:13:19,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:13:19,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:13:19,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:13:19,705 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-12-07 16:13:19,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:13:19,718 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2019-12-07 16:13:19,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:13:19,719 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 16:13:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:13:19,726 INFO L225 Difference]: With dead ends: 73 [2019-12-07 16:13:19,726 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 16:13:19,728 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 16:13:19,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 16:13:19,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 16:13:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 16:13:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2019-12-07 16:13:19,751 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 9 [2019-12-07 16:13:19,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:13:19,751 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-12-07 16:13:19,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:13:19,751 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2019-12-07 16:13:19,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 16:13:19,752 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:13:19,752 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:13:19,752 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:13:19,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:13:19,752 INFO L82 PathProgramCache]: Analyzing trace with hash 967315834, now seen corresponding path program 1 times [2019-12-07 16:13:19,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:13:19,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899621731] [2019-12-07 16:13:19,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:13:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:13:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:13:19,822 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 16:13:19,822 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:13:19,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:13:19 BoogieIcfgContainer [2019-12-07 16:13:19,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:13:19,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:13:19,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:13:19,845 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:13:19,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:13:19" (3/4) ... [2019-12-07 16:13:19,848 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:13:19,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:13:19,849 INFO L168 Benchmark]: Toolchain (without parser) took 951.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -80.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:13:19,849 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:13:19,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:13:19,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.93 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 16:13:19,850 INFO L168 Benchmark]: Boogie Preprocessor took 25.00 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 16:13:19,851 INFO L168 Benchmark]: RCFGBuilder took 355.64 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:13:19,851 INFO L168 Benchmark]: TraceAbstraction took 297.04 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:13:19,852 INFO L168 Benchmark]: Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:13:19,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 235.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.93 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. * Boogie Preprocessor took 25.00 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 355.64 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 297.04 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 167]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 117, overapproximation of bitwiseAnd at line 152. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; [L162] float x = 0.0f; [L106] float y, z; [L107] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L163] float res = __ieee754_log10f(x); [L146] __int32_t ix; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L148] ieee_float_shape_type gf_u; [L149] gf_u.value = (x) [L150] EXPR gf_u.word [L150] (ix) = gf_u.word [L152] ix &= 0x7fffffff [L153] return ((ix) == 0x7f800000L); [L166] COND TRUE !isinf_float(res) [L167] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 44 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=37occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:13:21,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:13:21,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:13:21,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:13:21,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:13:21,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:13:21,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:13:21,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:13:21,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:13:21,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:13:21,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:13:21,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:13:21,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:13:21,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:13:21,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:13:21,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:13:21,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:13:21,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:13:21,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:13:21,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:13:21,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:13:21,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:13:21,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:13:21,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:13:21,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:13:21,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:13:21,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:13:21,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:13:21,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:13:21,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:13:21,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:13:21,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:13:21,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:13:21,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:13:21,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:13:21,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:13:21,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:13:21,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:13:21,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:13:21,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:13:21,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:13:21,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:13:21,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:13:21,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:13:21,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:13:21,260 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:13:21,260 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:13:21,261 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:13:21,261 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:13:21,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:13:21,261 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:13:21,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:13:21,262 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:13:21,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:13:21,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:13:21,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:13:21,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:13:21,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:13:21,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:13:21,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:13:21,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:13:21,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:13:21,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:13:21,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:13:21,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:13:21,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:13:21,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:13:21,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:13:21,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:13:21,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:13:21,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:13:21,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:13:21,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:13:21,264 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:13:21,264 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:13:21,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:13:21,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:13:21,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:13:21,265 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1cadf85d-86df-4294-93d7-b6c4934bc905/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 -> 643b85cfda98ac4fd84758bc794baabdbceeba64 [2019-12-07 16:13:21,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:13:21,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:13:21,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:13:21,442 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:13:21,442 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:13:21,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2019-12-07 16:13:21,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data/6bb81eb17/4c5e3e94d7a8416d82ad8d4dbaa94783/FLAGae11fb0dd [2019-12-07 16:13:21,925 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:13:21,925 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/sv-benchmarks/c/float-newlib/float_req_bl_0960a.c [2019-12-07 16:13:21,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data/6bb81eb17/4c5e3e94d7a8416d82ad8d4dbaa94783/FLAGae11fb0dd [2019-12-07 16:13:21,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/data/6bb81eb17/4c5e3e94d7a8416d82ad8d4dbaa94783 [2019-12-07 16:13:21,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:13:21,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:13:21,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:13:21,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:13:21,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:13:21,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:13:21" (1/1) ... [2019-12-07 16:13:21,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41944eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:21, skipping insertion in model container [2019-12-07 16:13:21,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:13:21" (1/1) ... [2019-12-07 16:13:21,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:13:21,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:13:22,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:13:22,123 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:13:22,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:13:22,205 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:13:22,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22 WrapperNode [2019-12-07 16:13:22,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:13:22,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:13:22,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:13:22,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:13:22,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:13:22,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:13:22,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:13:22,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:13:22,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... [2019-12-07 16:13:22,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:13:22,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:13:22,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:13:22,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:13:22,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/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 16:13:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:13:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 16:13:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:13:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:13:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:13:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 16:13:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:13:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:13:37,413 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:13:37,414 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 16:13:37,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:13:37 BoogieIcfgContainer [2019-12-07 16:13:37,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:13:37,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:13:37,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:13:37,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:13:37,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:13:21" (1/3) ... [2019-12-07 16:13:37,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be33c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:13:37, skipping insertion in model container [2019-12-07 16:13:37,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:13:22" (2/3) ... [2019-12-07 16:13:37,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be33c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:13:37, skipping insertion in model container [2019-12-07 16:13:37,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:13:37" (3/3) ... [2019-12-07 16:13:37,420 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960a.c [2019-12-07 16:13:37,426 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:13:37,431 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:13:37,438 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:13:37,453 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:13:37,453 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:13:37,453 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:13:37,453 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:13:37,454 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:13:37,454 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:13:37,454 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:13:37,454 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:13:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-12-07 16:13:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 16:13:37,467 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:13:37,468 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:13:37,468 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:13:37,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:13:37,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2019-12-07 16:13:37,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:13:37,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466633297] [2019-12-07 16:13:37,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:13:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:13:38,039 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:13:38,044 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:13:38,055 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 16:13:38,056 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:13:38,060 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 16:13:38,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466633297] [2019-12-07 16:13:38,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:13:38,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:13:38,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183961298] [2019-12-07 16:13:38,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:13:38,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:13:38,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:13:38,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:13:38,076 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2019-12-07 16:13:38,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:13:38,092 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2019-12-07 16:13:38,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:13:38,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 16:13:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:13:38,102 INFO L225 Difference]: With dead ends: 92 [2019-12-07 16:13:38,102 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 16:13:38,104 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 16:13:38,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 16:13:38,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 16:13:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 16:13:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2019-12-07 16:13:38,131 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2019-12-07 16:13:38,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:13:38,131 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2019-12-07 16:13:38,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:13:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2019-12-07 16:13:38,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 16:13:38,132 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:13:38,132 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:13:38,332 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:13:38,333 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:13:38,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:13:38,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2019-12-07 16:13:38,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:13:38,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772752889] [2019-12-07 16:13:38,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:13:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:13:38,935 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 16:13:38,938 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:13:39,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:13:39,197 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 16:13:39,197 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:13:53,224 WARN L192 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 16:13:53,230 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 16:13:53,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [772752889] [2019-12-07 16:13:53,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:13:53,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-12-07 16:13:53,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733704609] [2019-12-07 16:13:53,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 16:13:53,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:13:53,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 16:13:53,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-12-07 16:13:53,233 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand 14 states. [2019-12-07 16:14:18,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:14:18,280 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2019-12-07 16:14:18,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:14:18,315 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-12-07 16:14:18,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:14:18,316 INFO L225 Difference]: With dead ends: 61 [2019-12-07 16:14:18,317 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 16:14:18,318 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2019-12-07 16:14:18,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 16:14:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2019-12-07 16:14:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 16:14:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2019-12-07 16:14:18,323 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 13 [2019-12-07 16:14:18,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:14:18,323 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2019-12-07 16:14:18,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 16:14:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2019-12-07 16:14:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 16:14:18,324 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:14:18,324 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:14:18,525 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:14:18,525 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:14:18,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:14:18,526 INFO L82 PathProgramCache]: Analyzing trace with hash -657075683, now seen corresponding path program 1 times [2019-12-07 16:14:18,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:14:18,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635296932] [2019-12-07 16:14:18,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 16:14:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:14:19,117 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:14:19,119 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:14:19,134 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 16:14:19,134 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:14:19,160 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 16:14:19,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635296932] [2019-12-07 16:14:19,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:14:19,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 16:14:19,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990251992] [2019-12-07 16:14:19,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:14:19,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:14:19,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:14:19,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:14:19,162 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand 6 states. [2019-12-07 16:14:19,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:14:19,178 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2019-12-07 16:14:19,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:14:19,178 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 16:14:19,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:14:19,179 INFO L225 Difference]: With dead ends: 44 [2019-12-07 16:14:19,179 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:14:19,179 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:14:19,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:14:19,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:14:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:14:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:14:19,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-07 16:14:19,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:14:19,180 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:14:19,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:14:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:14:19,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:14:19,381 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:14:19,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:14:19,628 INFO L246 CegarLoopResult]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-12-07 16:14:19,628 INFO L246 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-12-07 16:14:19,628 INFO L246 CegarLoopResult]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2019-12-07 16:14:19,628 INFO L242 CegarLoopResult]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2019-12-07 16:14:19,628 INFO L246 CegarLoopResult]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2019-12-07 16:14:19,628 INFO L242 CegarLoopResult]: At program point L94(lines 20 96) the Hoare annotation is: false [2019-12-07 16:14:19,628 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:14:19,628 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:14:19,629 INFO L246 CegarLoopResult]: For program point L37(lines 37 45) no Hoare annotation was computed. [2019-12-07 16:14:19,629 INFO L246 CegarLoopResult]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2019-12-07 16:14:19,629 INFO L242 CegarLoopResult]: At program point L153(lines 145 154) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) ULTIMATE.start_isinf_float_~x))) [2019-12-07 16:14:19,629 INFO L246 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-12-07 16:14:19,629 INFO L249 CegarLoopResult]: At program point L171(lines 156 172) the Hoare annotation is: true [2019-12-07 16:14:19,629 INFO L246 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2019-12-07 16:14:19,629 INFO L246 CegarLoopResult]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-12-07 16:14:19,629 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2019-12-07 16:14:19,629 INFO L246 CegarLoopResult]: For program point L56(lines 56 72) no Hoare annotation was computed. [2019-12-07 16:14:19,629 INFO L246 CegarLoopResult]: For program point L147-1(lines 147 151) no Hoare annotation was computed. [2019-12-07 16:14:19,630 INFO L242 CegarLoopResult]: At program point L147-2(lines 147 151) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) ULTIMATE.start_isinf_float_~x))) [2019-12-07 16:14:19,630 INFO L246 CegarLoopResult]: For program point L147-3(lines 147 151) no Hoare annotation was computed. [2019-12-07 16:14:19,630 INFO L246 CegarLoopResult]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2019-12-07 16:14:19,630 INFO L242 CegarLoopResult]: At program point L40-2(lines 40 44) the Hoare annotation is: false [2019-12-07 16:14:19,630 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:14:19,630 INFO L246 CegarLoopResult]: For program point L57(lines 57 64) no Hoare annotation was computed. [2019-12-07 16:14:19,630 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2019-12-07 16:14:19,630 INFO L246 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2019-12-07 16:14:19,630 INFO L242 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2019-12-07 16:14:19,630 INFO L246 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2019-12-07 16:14:19,630 INFO L246 CegarLoopResult]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L242 CegarLoopResult]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point L66(lines 66 71) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point L91(lines 91 94) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point L58(lines 58 63) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point L83(lines 83 95) no Hoare annotation was computed. [2019-12-07 16:14:19,631 INFO L242 CegarLoopResult]: At program point L141(lines 105 142) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0)) [2019-12-07 16:14:19,631 INFO L246 CegarLoopResult]: For program point L166(lines 166 169) no Hoare annotation was computed. [2019-12-07 16:14:19,632 INFO L246 CegarLoopResult]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2019-12-07 16:14:19,632 INFO L242 CegarLoopResult]: At program point L125-2(lines 125 129) the Hoare annotation is: false [2019-12-07 16:14:19,632 INFO L246 CegarLoopResult]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2019-12-07 16:14:19,632 INFO L242 CegarLoopResult]: At program point L109-2(lines 109 113) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_log10f_~x (_ +zero 8 24)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0)) [2019-12-07 16:14:19,632 INFO L246 CegarLoopResult]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2019-12-07 16:14:19,632 INFO L246 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2019-12-07 16:14:19,632 INFO L246 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-12-07 16:14:19,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:14:19 BoogieIcfgContainer [2019-12-07 16:14:19,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:14:19,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:14:19,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:14:19,656 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:14:19,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:13:37" (3/4) ... [2019-12-07 16:14:19,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:14:19,667 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:14:19,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 16:14:19,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:14:19,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 [2019-12-07 16:14:19,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) [2019-12-07 16:14:19,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) [2019-12-07 16:14:19,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1cadf85d-86df-4294-93d7-b6c4934bc905/bin/utaipan/witness.graphml [2019-12-07 16:14:19,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:14:19,725 INFO L168 Benchmark]: Toolchain (without parser) took 57780.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 953.7 MB in the beginning and 906.1 MB in the end (delta: 47.6 MB). Peak memory consumption was 170.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:14:19,726 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:14:19,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:14:19,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:14:19,726 INFO L168 Benchmark]: Boogie Preprocessor took 30.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:14:19,727 INFO L168 Benchmark]: RCFGBuilder took 15140.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:14:19,727 INFO L168 Benchmark]: TraceAbstraction took 42240.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.0 MB in the end (delta: 158.3 MB). Peak memory consumption was 158.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:14:19,727 INFO L168 Benchmark]: Witness Printer took 68.78 ms. Allocated memory is still 1.2 GB. Free memory was 913.0 MB in the beginning and 906.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:14:19,729 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15140.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 42240.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.0 MB in the end (delta: 158.3 MB). Peak memory consumption was 158.3 MB. Max. memory is 11.5 GB. * Witness Printer took 68.78 ms. Allocated memory is still 1.2 GB. Free memory was 913.0 MB in the beginning and 906.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 167]: 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: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant [2019-12-07 16:14:19,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant [2019-12-07 16:14:19,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) - InvariantResult [Line: 105]: Loop Invariant [2019-12-07 16:14:19,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant [2019-12-07 16:14:19,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:14:19,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:14:19,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. Result: SAFE, OverallTime: 41.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 103 SDtfs, 110 SDslu, 358 SDs, 0 SdLazy, 180 SolverSat, 5 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 23.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 144 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 12 QuantifiedInterpolants, 5080 SizeOfPredicates, 15 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...