./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 dbef25694faa90ff4d63502c2f243449da0e6c28 ........................................................................................................................................................................................................................................................................................ 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/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 dbef25694faa90ff4d63502c2f243449da0e6c28 ........................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:46,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:46,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:46,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:46,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:46,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:46,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:46,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:46,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:46,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:46,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:46,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:46,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:46,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:46,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:46,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:46,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:46,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:46,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:46,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:46,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:46,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:46,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:46,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:46,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:46,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:46,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:46,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:46,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:46,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:46,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:46,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:46,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:46,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:46,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:46,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:46,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:46,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:46,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:46,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:46,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:46,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:46,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:46,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:46,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:46,969 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:46,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:46,969 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:46,969 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:46,969 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:46,970 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:46,970 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:46,970 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:46,970 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:46,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:46,971 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:46,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:46,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:46,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:46,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:46,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:46,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:46,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:46,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:46,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:46,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:46,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:46,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:46,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:46,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:46,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:46,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:46,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:46,974 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:46,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:46,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:46,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:46,975 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/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 -> dbef25694faa90ff4d63502c2f243449da0e6c28 [2019-10-22 11:25:47,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:47,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:47,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:47,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:47,023 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:47,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2019-10-22 11:25:47,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data/9bbe8c66e/5c5582c63dfa44f889208420d987e8ef/FLAGb1321a4ea [2019-10-22 11:25:47,448 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:47,449 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2019-10-22 11:25:47,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data/9bbe8c66e/5c5582c63dfa44f889208420d987e8ef/FLAGb1321a4ea [2019-10-22 11:25:47,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data/9bbe8c66e/5c5582c63dfa44f889208420d987e8ef [2019-10-22 11:25:47,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:47,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:47,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:47,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:47,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:47,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df1a1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47, skipping insertion in model container [2019-10-22 11:25:47,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,484 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:47,501 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:47,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:47,698 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:47,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:47,735 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:47,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47 WrapperNode [2019-10-22 11:25:47,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:47,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:47,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:47,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:47,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:47,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:47,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:47,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:47,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... [2019-10-22 11:25:47,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:47,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:47,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:47,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:47,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 [2019-10-22 11:25:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:25:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:25:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 11:25:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:25:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:48,081 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:48,082 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 11:25:48,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:48 BoogieIcfgContainer [2019-10-22 11:25:48,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:48,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:48,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:48,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:48,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:47" (1/3) ... [2019-10-22 11:25:48,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f72308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:48, skipping insertion in model container [2019-10-22 11:25:48,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:47" (2/3) ... [2019-10-22 11:25:48,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f72308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:48, skipping insertion in model container [2019-10-22 11:25:48,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:48" (3/3) ... [2019-10-22 11:25:48,090 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2019-10-22 11:25:48,098 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:48,105 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:25:48,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:25:48,170 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:48,170 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:48,170 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:48,171 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:48,171 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:48,171 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:48,171 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:48,171 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-22 11:25:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:25:48,201 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:48,202 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:48,210 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:48,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:48,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-10-22 11:25:48,235 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:48,242 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617480383] [2019-10-22 11:25:48,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:48,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:48,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:48,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617480383] [2019-10-22 11:25:48,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:48,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:48,363 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387571724] [2019-10-22 11:25:48,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:48,369 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:48,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:48,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:48,385 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-10-22 11:25:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:48,402 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-10-22 11:25:48,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:48,403 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-10-22 11:25:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:48,413 INFO L225 Difference]: With dead ends: 36 [2019-10-22 11:25:48,413 INFO L226 Difference]: Without dead ends: 16 [2019-10-22 11:25:48,416 INFO L600 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 [2019-10-22 11:25:48,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-22 11:25:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-22 11:25:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-22 11:25:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-10-22 11:25:48,445 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-10-22 11:25:48,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:48,446 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-10-22 11:25:48,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-10-22 11:25:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:25:48,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:48,446 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:48,447 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:48,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:48,447 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-10-22 11:25:48,447 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:48,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307676925] [2019-10-22 11:25:48,447 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:48,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:48,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:48,522 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:25:48,522 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:25:48,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:48 BoogieIcfgContainer [2019-10-22 11:25:48,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:48,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:48,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:48,545 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:48,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:48" (3/4) ... [2019-10-22 11:25:48,552 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:25:48,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:48,555 INFO L168 Benchmark]: Toolchain (without parser) took 1083.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:48,555 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:48,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:48,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.76 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. [2019-10-22 11:25:48,557 INFO L168 Benchmark]: Boogie Preprocessor took 24.96 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:48,557 INFO L168 Benchmark]: RCFGBuilder took 288.07 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:48,558 INFO L168 Benchmark]: TraceAbstraction took 461.15 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:48,558 INFO L168 Benchmark]: Witness Printer took 7.46 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. [2019-10-22 11:25:48,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.96 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 288.07 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 461.15 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 7.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 someUnaryDOUBLEoperation at line 47, 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, 19 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 19 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=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:50,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:50,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:50,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:50,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:50,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:50,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:50,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:50,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:50,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:50,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:50,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:50,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:50,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:50,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:50,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:50,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:50,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:50,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:50,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:50,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:50,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:50,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:50,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:50,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:50,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:50,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:50,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:50,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:50,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:50,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:50,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:50,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:50,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:50,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:50,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:50,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:50,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:50,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:50,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:50,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:50,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:25:50,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:50,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:50,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:50,569 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:50,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:50,569 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:50,569 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:50,569 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:50,569 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:50,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:50,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:50,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:50,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:50,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:50,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:50,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:50,571 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:25:50,571 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:25:50,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:50,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:50,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:25:50,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:50,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:50,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:50,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:50,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:50,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:50,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:50,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:50,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:50,573 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:25:50,573 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:25:50,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:50,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:50,573 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/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 -> dbef25694faa90ff4d63502c2f243449da0e6c28 [2019-10-22 11:25:50,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:50,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:50,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:50,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:50,612 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:50,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2019-10-22 11:25:50,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data/88f61dbbd/fca6cff8b134441a995ca1db07e7fcb9/FLAGd40ce08f6 [2019-10-22 11:25:51,036 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:51,037 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2019-10-22 11:25:51,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data/88f61dbbd/fca6cff8b134441a995ca1db07e7fcb9/FLAGd40ce08f6 [2019-10-22 11:25:51,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/bin/utaipan/data/88f61dbbd/fca6cff8b134441a995ca1db07e7fcb9 [2019-10-22 11:25:51,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:51,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:51,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:51,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:51,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:51,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9f6cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51, skipping insertion in model container [2019-10-22 11:25:51,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,072 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:51,089 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:51,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:51,261 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:51,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:51,376 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:51,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51 WrapperNode [2019-10-22 11:25:51,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:51,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:51,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:51,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:51,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:51,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:51,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:51,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:51,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... [2019-10-22 11:25:51,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:51,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:51,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:51,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:51,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 [2019-10-22 11:25:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 11:25:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:25:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 11:25:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:51,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:25:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:51,724 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:51,724 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 11:25:51,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:51 BoogieIcfgContainer [2019-10-22 11:25:51,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:51,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:51,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:51,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:51,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:51" (1/3) ... [2019-10-22 11:25:51,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1bb1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:51, skipping insertion in model container [2019-10-22 11:25:51,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:51" (2/3) ... [2019-10-22 11:25:51,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1bb1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:51, skipping insertion in model container [2019-10-22 11:25:51,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:51" (3/3) ... [2019-10-22 11:25:51,738 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2019-10-22 11:25:51,747 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:51,753 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:25:51,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:25:51,793 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:51,793 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:51,793 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:51,794 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:51,794 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:51,794 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:51,794 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:51,794 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-22 11:25:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:25:51,810 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:51,811 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:51,812 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:51,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:51,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-10-22 11:25:51,823 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:25:51,823 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865139605] [2019-10-22 11:25:51,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 [2019-10-22 11:25:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:51,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:25:51,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:51,898 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:51,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865139605] [2019-10-22 11:25:51,903 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:51,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:25:51,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61629629] [2019-10-22 11:25:51,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:51,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:25:51,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:51,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:51,922 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-10-22 11:25:51,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:51,936 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-10-22 11:25:51,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:51,937 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-10-22 11:25:51,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:51,943 INFO L225 Difference]: With dead ends: 36 [2019-10-22 11:25:51,943 INFO L226 Difference]: Without dead ends: 16 [2019-10-22 11:25:51,946 INFO L600 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 [2019-10-22 11:25:51,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-22 11:25:51,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-22 11:25:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-22 11:25:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-10-22 11:25:51,977 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-10-22 11:25:51,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:51,977 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-10-22 11:25:51,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-10-22 11:25:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:25:51,978 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:51,978 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:52,178 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:25:52,179 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:52,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:52,179 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-10-22 11:25:52,180 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:25:52,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444938928] [2019-10-22 11:25:52,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 [2019-10-22 11:25:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:52,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-22 11:25:52,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:52,363 INFO L375 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 [2019-10-22 11:25:52,371 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:25:52,378 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:52,379 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:25:52,394 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:52,395 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-22 11:25:52,395 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:92, output treesize:53 [2019-10-22 11:25:52,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:52,472 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:52,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:52,534 INFO L375 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 [2019-10-22 11:25:52,541 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:25:52,545 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:52,546 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:25:52,562 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:52,563 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:25:52,564 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2019-10-22 11:25:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:52,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444938928] [2019-10-22 11:25:52,668 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:52,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2019-10-22 11:25:52,669 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380730401] [2019-10-22 11:25:52,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:25:52,670 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:25:52,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:25:52,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:25:52,671 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 10 states. [2019-10-22 11:25:52,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:52,952 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-10-22 11:25:52,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:25:52,953 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-10-22 11:25:52,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:52,954 INFO L225 Difference]: With dead ends: 19 [2019-10-22 11:25:52,954 INFO L226 Difference]: Without dead ends: 16 [2019-10-22 11:25:52,955 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:25:52,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-22 11:25:52,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-22 11:25:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-22 11:25:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-10-22 11:25:52,959 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2019-10-22 11:25:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:52,959 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-10-22 11:25:52,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:25:52,960 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-10-22 11:25:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:25:52,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:52,960 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:53,161 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 11:25:53,162 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:53,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:53,162 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2019-10-22 11:25:53,163 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:25:53,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877637515] [2019-10-22 11:25:53,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7726d16-871f-4fe9-bd76-c4da27ffc3f3/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 [2019-10-22 11:25:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:53,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-22 11:25:53,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:53,286 INFO L375 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 [2019-10-22 11:25:53,292 INFO L375 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 [2019-10-22 11:25:53,293 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:25:53,297 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:53,298 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:25:53,307 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:53,308 INFO L496 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. [2019-10-22 11:25:53,308 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:35 [2019-10-22 11:25:53,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:53,527 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:53,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:53,802 INFO L375 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 [2019-10-22 11:25:53,807 INFO L375 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 [2019-10-22 11:25:53,808 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:25:53,811 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:53,812 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:25:53,830 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:53,831 INFO L496 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. [2019-10-22 11:25:53,831 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2019-10-22 11:25:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:53,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877637515] [2019-10-22 11:25:53,965 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:53,965 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-10-22 11:25:53,965 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771965370] [2019-10-22 11:25:53,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-22 11:25:53,966 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:25:53,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-22 11:25:53,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2019-10-22 11:25:53,967 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2019-10-22 11:25:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:54,547 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-10-22 11:25:54,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:25:54,549 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2019-10-22 11:25:54,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:54,550 INFO L225 Difference]: With dead ends: 16 [2019-10-22 11:25:54,550 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:25:54,551 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2019-10-22 11:25:54,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:25:54,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:25:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:25:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:25:54,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-22 11:25:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:54,552 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:25:54,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-22 11:25:54,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:25:54,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:25:54,753 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 11:25:54,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:25:54,942 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2019-10-22 11:25:55,178 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-10-22 11:25:55,184 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 27 31) no Hoare annotation was computed. [2019-10-22 11:25:55,184 INFO L439 ceAbstractionStarter]: At program point L27-2(lines 27 31) the Hoare annotation is: (= ULTIMATE.start_fabs_double_~x (fp.neg (_ +zero 11 53))) [2019-10-22 11:25:55,185 INFO L446 ceAbstractionStarter]: At program point L56(lines 41 57) the Hoare annotation is: true [2019-10-22 11:25:55,185 INFO L439 ceAbstractionStarter]: At program point L23(lines 14 24) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (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) (= (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|)) (fp.neg (_ +zero 11 53))))) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (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) (= (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|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= .cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse3 (fp.neg (_ +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|)) (= (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|)) (fp.neg (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (let ((.cse4 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3))) (= (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|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse5 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse5 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_fabs_double_~x (let ((.cse6 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))))))) [2019-10-22 11:25:55,185 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 11:25:55,185 INFO L443 ceAbstractionStarter]: For program point L32(lines 32 37) no Hoare annotation was computed. [2019-10-22 11:25:55,185 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2019-10-22 11:25:55,185 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:25:55,186 INFO L443 ceAbstractionStarter]: For program point L32-1(lines 25 39) no Hoare annotation was computed. [2019-10-22 11:25:55,186 INFO L443 ceAbstractionStarter]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2019-10-22 11:25:55,186 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:25:55,186 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:25:55,186 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:25:55,186 INFO L443 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-10-22 11:25:55,187 INFO L439 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (and (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (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) (= (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|)) (fp.neg (_ +zero 11 53))))) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (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) (= (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|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= .cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse3 (fp.neg (_ +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|)) (= (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|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse4 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse4 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_fabs_double_~x (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))))))) [2019-10-22 11:25:55,187 INFO L443 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2019-10-22 11:25:55,188 INFO L439 ceAbstractionStarter]: At program point L38(lines 25 39) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= .cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse1 (fp.neg (_ +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|)) (= (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|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= .cse2 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_fabs_double_~x (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))))) [2019-10-22 11:25:55,188 INFO L443 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-10-22 11:25:55,188 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2019-10-22 11:25:55,192 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:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) 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) [2019-10-22 11:25:55,196 INFO L168 Benchmark]: Toolchain (without parser) took 4139.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 951.0 MB in the beginning and 855.2 MB in the end (delta: 95.8 MB). Peak memory consumption was 211.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:55,197 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:55,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:55,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.92 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:55,199 INFO L168 Benchmark]: Boogie Preprocessor took 27.46 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. [2019-10-22 11:25:55,199 INFO L168 Benchmark]: RCFGBuilder took 285.60 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:55,200 INFO L168 Benchmark]: TraceAbstraction took 3468.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 855.2 MB in the end (delta: 222.7 MB). Peak memory consumption was 222.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:55,203 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 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.92 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 285.60 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3468.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 855.2 MB in the end (delta: 222.7 MB). Peak memory consumption was 222.7 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...