./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/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 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f ......................................................................................................................................................................................................................................................................................... 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_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/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 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 11:55:33,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:55:33,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:55:33,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:55:33,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:55:33,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:55:33,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:55:33,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:55:33,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:55:33,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:55:33,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:55:33,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:55:33,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:55:33,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:55:33,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:55:33,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:55:33,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:55:33,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:55:33,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:55:33,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:55:33,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:55:33,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:55:33,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:55:33,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:55:33,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:55:33,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:55:33,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:55:33,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:55:33,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:55:33,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:55:33,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:55:33,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:55:33,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:55:33,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:55:33,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:55:33,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:55:33,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:55:33,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:55:33,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:55:33,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:55:33,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:55:33,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:55:33,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:55:33,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:55:33,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:55:33,715 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:55:33,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:55:33,715 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:55:33,716 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:55:33,716 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:55:33,716 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:55:33,716 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:55:33,716 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:55:33,716 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:55:33,717 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:55:33,717 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:55:33,717 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:55:33,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:55:33,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:55:33,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:55:33,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:55:33,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:55:33,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:55:33,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:55:33,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:55:33,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:55:33,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:55:33,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:55:33,720 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:55:33,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:55:33,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:55:33,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:55:33,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:55:33,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:55:33,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:55:33,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:55:33,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:55:33,721 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:55:33,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:55:33,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:55:33,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:55:33,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:55:33,722 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_f00e5fa0-79c0-489d-b444-572b053171c6/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 -> 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f [2019-12-07 11:55:33,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:55:33,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:55:33,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:55:33,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:55:33,840 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:55:33,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-12-07 11:55:33,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data/50d5b4dce/82d988575b28432894213ff24d8e8ead/FLAG080c3e73a [2019-12-07 11:55:34,204 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:55:34,205 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-12-07 11:55:34,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data/50d5b4dce/82d988575b28432894213ff24d8e8ead/FLAG080c3e73a [2019-12-07 11:55:34,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data/50d5b4dce/82d988575b28432894213ff24d8e8ead [2019-12-07 11:55:34,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:55:34,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:55:34,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:55:34,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:55:34,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:55:34,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d849264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34, skipping insertion in model container [2019-12-07 11:55:34,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:55:34,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:55:34,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:55:34,400 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:55:34,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:55:34,430 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:55:34,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34 WrapperNode [2019-12-07 11:55:34,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:55:34,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:55:34,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:55:34,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:55:34,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:55:34,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:55:34,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:55:34,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:55:34,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... [2019-12-07 11:55:34,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:55:34,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:55:34,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:55:34,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:55:34,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:55:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 11:55:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:55:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 11:55:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:55:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:55:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:55:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:55:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:55:34,682 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:55:34,683 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 11:55:34,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:55:34 BoogieIcfgContainer [2019-12-07 11:55:34,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:55:34,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:55:34,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:55:34,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:55:34,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:55:34" (1/3) ... [2019-12-07 11:55:34,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cc6912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:55:34, skipping insertion in model container [2019-12-07 11:55:34,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:34" (2/3) ... [2019-12-07 11:55:34,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cc6912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:55:34, skipping insertion in model container [2019-12-07 11:55:34,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:55:34" (3/3) ... [2019-12-07 11:55:34,688 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2019-12-07 11:55:34,695 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:55:34,699 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:55:34,706 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:55:34,720 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:55:34,720 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:55:34,721 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:55:34,721 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:55:34,721 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:55:34,721 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:55:34,721 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:55:34,721 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:55:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-12-07 11:55:34,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 11:55:34,733 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:34,734 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:34,734 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:34,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:34,737 INFO L82 PathProgramCache]: Analyzing trace with hash -445335142, now seen corresponding path program 1 times [2019-12-07 11:55:34,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:34,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983471624] [2019-12-07 11:55:34,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:55:34,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983471624] [2019-12-07 11:55:34,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:34,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:55:34,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141856435] [2019-12-07 11:55:34,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:55:34,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:34,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:55:34,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:55:34,830 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2019-12-07 11:55:34,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:34,841 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2019-12-07 11:55:34,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:55:34,841 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-12-07 11:55:34,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:34,847 INFO L225 Difference]: With dead ends: 29 [2019-12-07 11:55:34,847 INFO L226 Difference]: Without dead ends: 13 [2019-12-07 11:55:34,849 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:55:34,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-07 11:55:34,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 11:55:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 11:55:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-12-07 11:55:34,870 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2019-12-07 11:55:34,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:34,870 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-12-07 11:55:34,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:55:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-12-07 11:55:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 11:55:34,870 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:34,870 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:34,871 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:34,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:34,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1390385303, now seen corresponding path program 1 times [2019-12-07 11:55:34,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:34,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669743125] [2019-12-07 11:55:34,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:55:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:55:34,921 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 11:55:34,921 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:55:34,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:55:34 BoogieIcfgContainer [2019-12-07 11:55:34,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:55:34,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:55:34,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:55:34,937 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:55:34,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:55:34" (3/4) ... [2019-12-07 11:55:34,940 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:55:34,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:55:34,941 INFO L168 Benchmark]: Toolchain (without parser) took 718.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 942.4 MB in the beginning and 1.0 GB in the end (delta: -104.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:34,942 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:34,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:34,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:34,943 INFO L168 Benchmark]: Boogie Preprocessor took 17.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:34,943 INFO L168 Benchmark]: RCFGBuilder took 210.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:34,944 INFO L168 Benchmark]: TraceAbstraction took 252.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:34,944 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:34,946 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 210.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 252.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 52]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L47] double x = 0.0; [L26] __uint32_t high; [L28] ieee_double_shape_type gh_u; [L29] gh_u.value = (x) [L30] EXPR gh_u.parts.msw [L30] (high) = gh_u.parts.msw [L33] ieee_double_shape_type sh_u; [L34] sh_u.value = (x) [L35] sh_u.parts.msw = (high & 0x7fffffff) [L36] EXPR sh_u.value [L36] (x) = sh_u.value [L38] return x; [L48] double res = fabs_double(x); [L51] EXPR res == 0.0 && __signbit_double(res) == 0 [L51] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L52] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 15 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=15occurred 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 11:55:36,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:55:36,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:55:36,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:55:36,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:55:36,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:55:36,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:55:36,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:55:36,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:55:36,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:55:36,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:55:36,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:55:36,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:55:36,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:55:36,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:55:36,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:55:36,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:55:36,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:55:36,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:55:36,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:55:36,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:55:36,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:55:36,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:55:36,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:55:36,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:55:36,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:55:36,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:55:36,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:55:36,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:55:36,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:55:36,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:55:36,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:55:36,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:55:36,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:55:36,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:55:36,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:55:36,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:55:36,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:55:36,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:55:36,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:55:36,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:55:36,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:55:36,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:55:36,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:55:36,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:55:36,333 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:55:36,334 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:55:36,334 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:55:36,334 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:55:36,334 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:55:36,334 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:55:36,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:55:36,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:55:36,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:55:36,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:55:36,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:55:36,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:55:36,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:55:36,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:55:36,336 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:55:36,336 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:55:36,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:55:36,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:55:36,337 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:55:36,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:55:36,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:55:36,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:55:36,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:55:36,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:55:36,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:55:36,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:55:36,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:55:36,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:55:36,338 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:55:36,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:55:36,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:55:36,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:55:36,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:55:36,338 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_f00e5fa0-79c0-489d-b444-572b053171c6/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 -> 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f [2019-12-07 11:55:36,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:55:36,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:55:36,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:55:36,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:55:36,522 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:55:36,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-12-07 11:55:36,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data/2639d1a89/31b1aaa392954b01b4cdaa024926602a/FLAG3a1b87147 [2019-12-07 11:55:37,054 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:55:37,054 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-12-07 11:55:37,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data/2639d1a89/31b1aaa392954b01b4cdaa024926602a/FLAG3a1b87147 [2019-12-07 11:55:37,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/data/2639d1a89/31b1aaa392954b01b4cdaa024926602a [2019-12-07 11:55:37,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:55:37,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:55:37,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:55:37,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:55:37,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:55:37,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ab2b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37, skipping insertion in model container [2019-12-07 11:55:37,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:55:37,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:55:37,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:55:37,697 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:55:37,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:55:37,730 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:55:37,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37 WrapperNode [2019-12-07 11:55:37,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:55:37,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:55:37,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:55:37,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:55:37,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:55:37,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:55:37,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:55:37,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:55:37,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... [2019-12-07 11:55:37,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:55:37,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:55:37,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:55:37,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:55:37,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:55:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 11:55:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 11:55:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:55:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 11:55:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:55:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:55:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 11:55:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:55:38,034 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:55:38,034 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 11:55:38,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:55:38 BoogieIcfgContainer [2019-12-07 11:55:38,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:55:38,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:55:38,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:55:38,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:55:38,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:55:37" (1/3) ... [2019-12-07 11:55:38,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa543d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:55:38, skipping insertion in model container [2019-12-07 11:55:38,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:55:37" (2/3) ... [2019-12-07 11:55:38,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa543d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:55:38, skipping insertion in model container [2019-12-07 11:55:38,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:55:38" (3/3) ... [2019-12-07 11:55:38,039 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2019-12-07 11:55:38,045 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:55:38,049 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:55:38,056 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:55:38,071 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:55:38,071 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:55:38,071 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:55:38,071 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:55:38,071 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:55:38,071 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:55:38,071 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:55:38,071 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:55:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 11:55:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 11:55:38,085 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:38,086 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:38,086 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:38,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:38,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-12-07 11:55:38,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:55:38,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905487051] [2019-12-07 11:55:38,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 11:55:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:38,142 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:55:38,145 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:55:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:55:38,154 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:55:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:55:38,156 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905487051] [2019-12-07 11:55:38,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:38,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:55:38,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190505099] [2019-12-07 11:55:38,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:55:38,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:55:38,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:55:38,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:55:38,171 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-12-07 11:55:38,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:38,182 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-12-07 11:55:38,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:55:38,183 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 11:55:38,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:38,189 INFO L225 Difference]: With dead ends: 36 [2019-12-07 11:55:38,189 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 11:55:38,191 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:55:38,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 11:55:38,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 11:55:38,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 11:55:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-12-07 11:55:38,212 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-12-07 11:55:38,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:38,212 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-12-07 11:55:38,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:55:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-12-07 11:55:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 11:55:38,213 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:38,213 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:38,413 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:55:38,414 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:38,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:38,415 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-12-07 11:55:38,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:55:38,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426967352] [2019-12-07 11:55:38,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 11:55:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:38,531 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 11:55:38,533 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:55:38,600 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 66 treesize of output 60 [2019-12-07 11:55:38,607 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:55:38,611 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:55:38,611 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:55:38,621 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:55:38,622 INFO L534 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. [2019-12-07 11:55:38,623 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:85, output treesize:46 [2019-12-07 11:55:38,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:55:38,654 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:55:38,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:55:38,682 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 60 treesize of output 54 [2019-12-07 11:55:38,686 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:55:38,688 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:55:38,688 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:55:38,696 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:55:38,697 INFO L534 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. [2019-12-07 11:55:38,697 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2019-12-07 11:55:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:55:38,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426967352] [2019-12-07 11:55:38,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:38,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 11:55:38,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040735362] [2019-12-07 11:55:38,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 11:55:38,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:55:38,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 11:55:38,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:55:38,756 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states. [2019-12-07 11:55:38,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:38,860 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-12-07 11:55:38,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:55:38,861 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2019-12-07 11:55:38,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:38,862 INFO L225 Difference]: With dead ends: 19 [2019-12-07 11:55:38,862 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 11:55:38,863 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:55:38,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 11:55:38,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 11:55:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 11:55:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-12-07 11:55:38,865 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2019-12-07 11:55:38,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:38,866 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-12-07 11:55:38,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 11:55:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-12-07 11:55:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 11:55:38,866 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:38,866 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:39,067 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:55:39,068 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:39,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:39,069 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2019-12-07 11:55:39,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:55:39,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523835608] [2019-12-07 11:55:39,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f00e5fa0-79c0-489d-b444-572b053171c6/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 11:55:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:39,226 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 11:55:39,229 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:55:39,251 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 54 treesize of output 48 [2019-12-07 11:55:39,256 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 30 treesize of output 24 [2019-12-07 11:55:39,256 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 11:55:39,260 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:55:39,261 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 11:55:39,268 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:55:39,269 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 11:55:39,269 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2019-12-07 11:55:39,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:55:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:55:39,453 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:55:39,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:55:39,655 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 55 treesize of output 49 [2019-12-07 11:55:39,660 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 28 [2019-12-07 11:55:39,660 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 11:55:39,663 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:55:39,663 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 11:55:39,670 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:55:39,671 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 11:55:39,671 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2019-12-07 11:55:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:55:39,807 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523835608] [2019-12-07 11:55:39,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:39,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-12-07 11:55:39,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066546567] [2019-12-07 11:55:39,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-07 11:55:39,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:55:39,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-07 11:55:39,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2019-12-07 11:55:39,810 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2019-12-07 11:55:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:40,346 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-12-07 11:55:40,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:55:40,347 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2019-12-07 11:55:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:40,347 INFO L225 Difference]: With dead ends: 16 [2019-12-07 11:55:40,348 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:55:40,348 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2019-12-07 11:55:40,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:55:40,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:55:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:55:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:55:40,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-12-07 11:55:40,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:40,349 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:55:40,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-07 11:55:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:55:40,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:55:40,551 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:55:40,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:55:40,793 INFO L246 CegarLoopResult]: For program point L27-1(lines 27 31) no Hoare annotation was computed. [2019-12-07 11:55:40,793 INFO L242 CegarLoopResult]: At program point L27-2(lines 27 31) the Hoare annotation is: (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) [2019-12-07 11:55:40,793 INFO L242 CegarLoopResult]: At program point L23(lines 14 24) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)) (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|))))) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))))) (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) ULTIMATE.start___signbit_double_~x)))) [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point L32(lines 32 37) no Hoare annotation was computed. [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point L32-1(lines 25 39) no Hoare annotation was computed. [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2019-12-07 11:55:40,794 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:55:40,795 INFO L246 CegarLoopResult]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-12-07 11:55:40,795 INFO L242 CegarLoopResult]: At program point L17-2(lines 17 21) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ULTIMATE.start_main_~res~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))))) (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start___signbit_double_~x)))) [2019-12-07 11:55:40,795 INFO L246 CegarLoopResult]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2019-12-07 11:55:40,795 INFO L242 CegarLoopResult]: At program point L38(lines 25 39) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))))) [2019-12-07 11:55:40,795 INFO L249 CegarLoopResult]: At program point L55(lines 41 56) the Hoare annotation is: true [2019-12-07 11:55:40,795 INFO L246 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2019-12-07 11:55:40,796 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2019-12-07 11:55:40,800 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:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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) [2019-12-07 11:55:40,802 INFO L168 Benchmark]: Toolchain (without parser) took 3244.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 902.6 MB in the end (delta: 49.8 MB). Peak memory consumption was 175.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:40,803 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:40,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.01 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:40,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:40,804 INFO L168 Benchmark]: Boogie Preprocessor took 21.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:40,804 INFO L168 Benchmark]: RCFGBuilder took 221.64 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:40,805 INFO L168 Benchmark]: TraceAbstraction took 2765.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.6 MB in the end (delta: 193.3 MB). Peak memory consumption was 193.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:40,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.01 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.83 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 221.64 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2765.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.6 MB in the end (delta: 193.3 MB). Peak memory consumption was 193.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: 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...