./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/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 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d ........................................................................................................................................................................................................................................................................................ 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_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/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 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:17:36,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:17:36,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:17:36,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:17:36,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:17:36,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:17:36,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:17:36,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:17:36,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:17:36,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:17:36,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:17:36,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:17:36,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:17:36,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:17:36,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:17:36,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:17:36,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:17:36,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:17:36,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:17:36,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:17:36,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:17:36,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:17:36,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:17:36,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:17:36,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:17:36,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:17:36,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:17:36,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:17:36,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:17:36,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:17:36,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:17:36,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:17:36,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:17:36,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:17:36,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:17:36,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:17:36,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:17:36,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:17:36,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:17:36,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:17:36,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:17:36,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:17:36,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:17:36,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:17:36,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:17:36,956 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:17:36,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:17:36,956 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:17:36,956 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:17:36,957 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:17:36,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:17:36,957 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:17:36,957 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:17:36,957 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:17:36,957 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:17:36,958 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:17:36,958 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:17:36,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:17:36,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:17:36,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:17:36,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:17:36,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:17:36,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:17:36,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:17:36,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:17:36,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:17:36,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:17:36,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:17:36,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:17:36,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:17:36,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:17:36,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:36,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:17:36,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:17:36,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:17:36,962 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:17:36,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:17:36,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:17:36,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:17:36,962 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_f5aa4cf8-d301-428a-8a7d-75c019ed0447/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 -> 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d [2019-11-26 02:17:37,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:17:37,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:17:37,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:17:37,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:17:37,124 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:17:37,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-11-26 02:17:37,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data/c11a97e13/391260cae44b4835a561d7abc3ea962c/FLAG7a6816ee2 [2019-11-26 02:17:37,533 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:17:37,534 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-11-26 02:17:37,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data/c11a97e13/391260cae44b4835a561d7abc3ea962c/FLAG7a6816ee2 [2019-11-26 02:17:37,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data/c11a97e13/391260cae44b4835a561d7abc3ea962c [2019-11-26 02:17:37,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:17:37,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:17:37,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:37,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:17:37,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:17:37,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:37" (1/1) ... [2019-11-26 02:17:37,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c9df88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:37, skipping insertion in model container [2019-11-26 02:17:37,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:37" (1/1) ... [2019-11-26 02:17:37,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:17:37,949 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:17:38,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:38,100 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:17:38,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:38,213 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:17:38,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38 WrapperNode [2019-11-26 02:17:38,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:38,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:38,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:17:38,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:17:38,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:38,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:17:38,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:17:38,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:17:38,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... [2019-11-26 02:17:38,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:17:38,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:17:38,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:17:38,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:17:38,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:17:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-26 02:17:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:17:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-26 02:17:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:17:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:17:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:17:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:17:38,877 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:17:38,877 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-26 02:17:38,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:38 BoogieIcfgContainer [2019-11-26 02:17:38,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:17:38,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:17:38,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:17:38,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:17:38,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:17:37" (1/3) ... [2019-11-26 02:17:38,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fd1131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:38, skipping insertion in model container [2019-11-26 02:17:38,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:38" (2/3) ... [2019-11-26 02:17:38,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fd1131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:38, skipping insertion in model container [2019-11-26 02:17:38,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:38" (3/3) ... [2019-11-26 02:17:38,891 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2019-11-26 02:17:38,899 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:17:38,905 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:17:38,914 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:17:38,934 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:17:38,935 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:17:38,935 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:17:38,935 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:17:38,935 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:17:38,935 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:17:38,936 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:17:38,936 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:17:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-26 02:17:38,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:17:38,955 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:38,955 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:38,956 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:38,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:38,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1813481462, now seen corresponding path program 1 times [2019-11-26 02:17:38,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:17:38,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34793517] [2019-11-26 02:17:38,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:17:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:39,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34793517] [2019-11-26 02:17:39,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:39,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:17:39,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551003392] [2019-11-26 02:17:39,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:17:39,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:17:39,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:17:39,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:17:39,077 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-26 02:17:39,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:39,090 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2019-11-26 02:17:39,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:17:39,091 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-26 02:17:39,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:39,100 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:17:39,100 INFO L226 Difference]: Without dead ends: 20 [2019-11-26 02:17:39,103 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 [2019-11-26 02:17:39,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-26 02:17:39,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-26 02:17:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-26 02:17:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2019-11-26 02:17:39,129 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 9 [2019-11-26 02:17:39,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:39,130 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-26 02:17:39,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:17:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2019-11-26 02:17:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:17:39,131 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:39,131 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:39,131 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:39,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:39,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1735217249, now seen corresponding path program 1 times [2019-11-26 02:17:39,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:17:39,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031693131] [2019-11-26 02:17:39,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:17:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:17:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:17:39,203 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:17:39,204 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:17:39,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:17:39 BoogieIcfgContainer [2019-11-26 02:17:39,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:17:39,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:17:39,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:17:39,228 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:17:39,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:38" (3/4) ... [2019-11-26 02:17:39,231 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:17:39,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:17:39,233 INFO L168 Benchmark]: Toolchain (without parser) took 1317.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:39,234 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:39,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -205.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:39,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:39,235 INFO L168 Benchmark]: Boogie Preprocessor took 39.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:39,236 INFO L168 Benchmark]: RCFGBuilder took 571.93 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:39,236 INFO L168 Benchmark]: TraceAbstraction took 348.79 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:39,237 INFO L168 Benchmark]: Witness Printer took 3.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:39,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -205.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 571.93 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 348.79 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of bitwiseAnd at line 26, overapproximation of someBinaryArithmeticDOUBLEoperation at line 43. Possible FailurePath: [L86] double x = 0.0; [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L27] COND FALSE !(exponent_less_1023 < 20) [L41] COND TRUE exponent_less_1023 > 51 [L42] COND TRUE exponent_less_1023 == 1024 [L43] return x + x; [L87] double res = round_double(x); [L90] EXPR res == 0.0 && __signbit_double(res) == 0 [L90] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L91] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 27 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=22occurred 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, 19 NumberOfCodeBlocks, 19 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 0.1.24-6b5699a [2019-11-26 02:17:41,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:17:41,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:17:41,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:17:41,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:17:41,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:17:41,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:17:41,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:17:41,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:17:41,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:17:41,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:17:41,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:17:41,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:17:41,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:17:41,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:17:41,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:17:41,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:17:41,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:17:41,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:17:41,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:17:41,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:17:41,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:17:41,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:17:41,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:17:41,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:17:41,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:17:41,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:17:41,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:17:41,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:17:41,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:17:41,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:17:41,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:17:41,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:17:41,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:17:41,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:17:41,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:17:41,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:17:41,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:17:41,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:17:41,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:17:41,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:17:41,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:17:41,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:17:41,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:17:41,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:17:41,208 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:17:41,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:17:41,208 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:17:41,209 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:17:41,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:17:41,209 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:17:41,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:17:41,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:17:41,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:17:41,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:17:41,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:17:41,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:17:41,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:17:41,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:17:41,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:17:41,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:17:41,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:17:41,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:17:41,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:17:41,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:17:41,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:17:41,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:17:41,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:17:41,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:17:41,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:41,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:17:41,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:17:41,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:17:41,215 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:17:41,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:17:41,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:17:41,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:17:41,216 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_f5aa4cf8-d301-428a-8a7d-75c019ed0447/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 -> 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d [2019-11-26 02:17:41,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:17:41,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:17:41,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:17:41,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:17:41,529 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:17:41,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-11-26 02:17:41,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data/e413d4842/89bc6f3a671345d89809480813bdf929/FLAG85d2d41cd [2019-11-26 02:17:41,988 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:17:41,990 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-11-26 02:17:41,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data/e413d4842/89bc6f3a671345d89809480813bdf929/FLAG85d2d41cd [2019-11-26 02:17:42,336 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/data/e413d4842/89bc6f3a671345d89809480813bdf929 [2019-11-26 02:17:42,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:17:42,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:17:42,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:42,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:17:42,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:17:42,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b916296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42, skipping insertion in model container [2019-11-26 02:17:42,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:17:42,374 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:17:42,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:42,543 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:17:42,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:42,660 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:17:42,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42 WrapperNode [2019-11-26 02:17:42,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:42,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:42,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:17:42,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:17:42,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:42,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:17:42,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:17:42,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:17:42,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... [2019-11-26 02:17:42,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:17:42,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:17:42,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:17:42,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:17:42,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-26 02:17:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-26 02:17:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:17:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 02:17:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:17:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:17:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:17:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:17:43,201 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:17:43,202 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-26 02:17:43,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:43 BoogieIcfgContainer [2019-11-26 02:17:43,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:17:43,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:17:43,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:17:43,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:17:43,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:17:42" (1/3) ... [2019-11-26 02:17:43,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b7199c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:43, skipping insertion in model container [2019-11-26 02:17:43,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:42" (2/3) ... [2019-11-26 02:17:43,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b7199c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:43, skipping insertion in model container [2019-11-26 02:17:43,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:43" (3/3) ... [2019-11-26 02:17:43,210 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2019-11-26 02:17:43,219 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:17:43,225 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:17:43,234 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:17:43,255 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:17:43,255 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:17:43,255 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:17:43,255 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:17:43,255 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:17:43,255 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:17:43,256 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:17:43,256 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:17:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-26 02:17:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:17:43,271 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:43,272 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:43,272 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:43,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:43,277 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-11-26 02:17:43,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:17:43,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286293252] [2019-11-26 02:17:43,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/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 [2019-11-26 02:17:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:43,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-26 02:17:43,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:17:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:43,371 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:17:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:43,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286293252] [2019-11-26 02:17:43,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:43,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 02:17:43,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981350909] [2019-11-26 02:17:43,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:17:43,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:17:43,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:17:43,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:17:43,396 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-26 02:17:43,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:43,414 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-11-26 02:17:43,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:17:43,415 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-26 02:17:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:43,427 INFO L225 Difference]: With dead ends: 58 [2019-11-26 02:17:43,428 INFO L226 Difference]: Without dead ends: 27 [2019-11-26 02:17:43,433 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 [2019-11-26 02:17:43,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-26 02:17:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-26 02:17:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-26 02:17:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-11-26 02:17:43,468 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-11-26 02:17:43,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:43,468 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-26 02:17:43,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:17:43,469 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-11-26 02:17:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:17:43,469 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:43,469 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:43,670 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:17:43,670 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:43,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:43,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-11-26 02:17:43,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:17:43,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [27932388] [2019-11-26 02:17:43,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/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 [2019-11-26 02:17:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:43,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:17:43,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:17:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:43,826 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:17:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:43,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [27932388] [2019-11-26 02:17:43,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:43,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-26 02:17:43,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976435594] [2019-11-26 02:17:43,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:17:43,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:17:43,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:17:43,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:17:43,909 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2019-11-26 02:17:44,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:44,097 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2019-11-26 02:17:44,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:17:44,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-26 02:17:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:44,100 INFO L225 Difference]: With dead ends: 40 [2019-11-26 02:17:44,100 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:17:44,106 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-26 02:17:44,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:17:44,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:17:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:17:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-26 02:17:44,111 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2019-11-26 02:17:44,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:44,111 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-26 02:17:44,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:17:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-26 02:17:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:17:44,119 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:44,119 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:44,332 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:17:44,332 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:44,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:44,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2019-11-26 02:17:44,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:17:44,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747203496] [2019-11-26 02:17:44,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/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 [2019-11-26 02:17:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:44,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 02:17:44,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:17:44,481 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2019-11-26 02:17:44,487 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:17:44,494 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:17:44,494 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:17:44,498 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:17:44,498 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 02:17:44,498 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2019-11-26 02:17:44,541 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:17:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:44,565 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:17:44,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:17:44,624 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-26 02:17:44,628 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:17:44,636 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:17:44,636 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:17:44,640 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:17:44,640 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:17:44,641 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-26 02:17:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:44,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747203496] [2019-11-26 02:17:44,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:44,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2019-11-26 02:17:44,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600561503] [2019-11-26 02:17:44,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-26 02:17:44,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:17:44,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-26 02:17:44,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-26 02:17:44,693 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2019-11-26 02:17:45,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:45,001 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-11-26 02:17:45,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:17:45,002 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-11-26 02:17:45,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:45,003 INFO L225 Difference]: With dead ends: 24 [2019-11-26 02:17:45,003 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:17:45,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-11-26 02:17:45,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:17:45,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:17:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:17:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-11-26 02:17:45,012 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-11-26 02:17:45,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:45,013 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-11-26 02:17:45,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-26 02:17:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-11-26 02:17:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:17:45,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:45,016 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:45,216 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 02:17:45,216 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:45,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:45,217 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2019-11-26 02:17:45,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:17:45,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279851857] [2019-11-26 02:17:45,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4cf8-d301-428a-8a7d-75c019ed0447/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 02:17:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:45,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-26 02:17:45,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:17:45,368 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2019-11-26 02:17:45,373 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:17:45,377 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:17:45,377 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:17:45,387 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:17:45,388 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-26 02:17:45,388 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:58, output treesize:28 [2019-11-26 02:17:45,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:17:45,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:45,619 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:17:45,621 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:17:45,860 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2019-11-26 02:17:45,863 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:17:45,866 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:17:45,866 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:17:45,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:17:45,883 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-26 02:17:45,883 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2019-11-26 02:17:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:48,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279851857] [2019-11-26 02:17:48,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:48,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-11-26 02:17:48,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745455447] [2019-11-26 02:17:48,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-26 02:17:48,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:17:48,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-26 02:17:48,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2019-11-26 02:17:48,074 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 18 states. [2019-11-26 02:17:48,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:48,805 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-11-26 02:17:48,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-26 02:17:48,806 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2019-11-26 02:17:48,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:48,806 INFO L225 Difference]: With dead ends: 21 [2019-11-26 02:17:48,807 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:17:48,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=140, Invalid=459, Unknown=1, NotChecked=0, Total=600 [2019-11-26 02:17:48,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:17:48,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:17:48,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:17:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:17:48,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-11-26 02:17:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:48,808 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:17:48,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-26 02:17:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:17:48,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:17:49,009 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 02:17:49,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:17:49,189 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-11-26 02:17:49,435 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-11-26 02:17:49,611 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-11-26 02:17:49,614 INFO L444 ceAbstractionStarter]: For program point L27(lines 27 56) no Hoare annotation was computed. [2019-11-26 02:17:49,614 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-11-26 02:17:49,614 INFO L444 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2019-11-26 02:17:49,614 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2019-11-26 02:17:49,615 INFO L440 ceAbstractionStarter]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (_ +zero 11 53)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) |ULTIMATE.start_main_#t~short10| (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))))) [2019-11-26 02:17:49,615 INFO L444 ceAbstractionStarter]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2019-11-26 02:17:49,615 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:17:49,615 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:17:49,615 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:17:49,616 INFO L444 ceAbstractionStarter]: For program point L28(lines 28 40) no Hoare annotation was computed. [2019-11-26 02:17:49,616 INFO L444 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-26 02:17:49,616 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-11-26 02:17:49,616 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 17 64) no Hoare annotation was computed. [2019-11-26 02:17:49,616 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 93) no Hoare annotation was computed. [2019-11-26 02:17:49,616 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-11-26 02:17:49,616 INFO L444 ceAbstractionStarter]: For program point L57-2(lines 57 62) no Hoare annotation was computed. [2019-11-26 02:17:49,616 INFO L444 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-11-26 02:17:49,617 INFO L440 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (= ULTIMATE.start_round_double_~x (_ +zero 11 53)) [2019-11-26 02:17:49,617 INFO L444 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2019-11-26 02:17:49,617 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-26 02:17:49,617 INFO L444 ceAbstractionStarter]: For program point L41(lines 41 56) no Hoare annotation was computed. [2019-11-26 02:17:49,617 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:17:49,617 INFO L447 ceAbstractionStarter]: At program point L95(lines 78 96) the Hoare annotation is: true [2019-11-26 02:17:49,617 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-26 02:17:49,618 INFO L440 ceAbstractionStarter]: At program point L75(lines 66 76) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64)) (v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3)) (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) v_skolemized_v_prenex_3_3)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse2 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse3 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) (_ +zero 11 53)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) |ULTIMATE.start_main_#t~short10| (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))))) [2019-11-26 02:17:49,618 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 45) no Hoare annotation was computed. [2019-11-26 02:17:49,618 INFO L440 ceAbstractionStarter]: At program point L63(lines 17 64) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse1 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))))) [2019-11-26 02:17:49,619 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-26 02:17:49,619 INFO L444 ceAbstractionStarter]: For program point L30-2(lines 30 31) no Hoare annotation was computed. [2019-11-26 02:17:49,619 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-11-26 02:17:49,623 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:17:49,627 INFO L168 Benchmark]: Toolchain (without parser) took 7287.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 960.4 MB in the beginning and 850.9 MB in the end (delta: 109.5 MB). Peak memory consumption was 261.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:49,628 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:49,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:49,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.16 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:49,629 INFO L168 Benchmark]: Boogie Preprocessor took 42.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:49,630 INFO L168 Benchmark]: RCFGBuilder took 459.02 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:49,631 INFO L168 Benchmark]: TraceAbstraction took 6422.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.9 MB in the end (delta: 263.1 MB). Peak memory consumption was 263.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:49,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.16 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 459.02 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6422.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.9 MB in the end (delta: 263.1 MB). Peak memory consumption was 263.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...