./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/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 204277589f1e9105606b7fb7cfd8af760c5fd585 ............................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/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 204277589f1e9105606b7fb7cfd8af760c5fd585 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:15:16,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:15:16,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:15:16,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:15:16,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:15:16,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:15:16,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:15:16,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:15:16,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:15:16,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:15:16,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:15:16,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:15:16,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:15:16,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:15:16,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:15:16,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:15:16,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:15:16,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:15:16,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:15:16,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:15:16,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:15:16,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:15:16,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:15:16,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:15:16,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:15:16,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:15:16,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:15:16,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:15:16,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:15:16,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:15:16,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:15:16,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:15:16,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:15:16,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:15:16,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:15:16,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:15:16,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:15:16,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:15:16,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:15:16,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:15:16,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:15:16,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:15:16,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:15:16,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:15:16,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:15:16,398 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:15:16,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:15:16,398 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:15:16,398 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:15:16,399 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:15:16,399 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:15:16,399 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:15:16,399 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:15:16,399 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:15:16,399 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:15:16,400 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:15:16,400 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:15:16,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:15:16,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:15:16,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:15:16,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:15:16,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:15:16,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:15:16,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:15:16,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:15:16,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:15:16,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:15:16,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:15:16,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:15:16,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:15:16,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:15:16,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:15:16,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:15:16,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:15:16,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:15:16,403 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:15:16,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:15:16,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:15:16,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:15:16,404 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/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 -> 204277589f1e9105606b7fb7cfd8af760c5fd585 [2019-11-26 02:15:16,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:15:16,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:15:16,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:15:16,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:15:16,600 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:15:16,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2019-11-26 02:15:16,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data/6074bd2f5/3abcc2e6a6f742f59b127b7a44fc1b1f/FLAG678fd7c79 [2019-11-26 02:15:17,069 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:15:17,069 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2019-11-26 02:15:17,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data/6074bd2f5/3abcc2e6a6f742f59b127b7a44fc1b1f/FLAG678fd7c79 [2019-11-26 02:15:17,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data/6074bd2f5/3abcc2e6a6f742f59b127b7a44fc1b1f [2019-11-26 02:15:17,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:15:17,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:15:17,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:17,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:15:17,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:15:17,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3067b2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17, skipping insertion in model container [2019-11-26 02:15:17,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:15:17,488 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:15:17,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:17,780 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:15:17,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:17,830 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:15:17,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17 WrapperNode [2019-11-26 02:15:17,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:17,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:17,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:15:17,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:15:17,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:17,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:15:17,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:15:17,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:15:17,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... [2019-11-26 02:15:17,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:15:17,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:15:17,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:15:17,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:15:17,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:15:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-26 02:15:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:15:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-26 02:15:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:15:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:15:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:15:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:15:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:15:18,607 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:15:18,607 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-26 02:15:18,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:18 BoogieIcfgContainer [2019-11-26 02:15:18,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:15:18,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:15:18,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:15:18,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:15:18,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:15:17" (1/3) ... [2019-11-26 02:15:18,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e5ff63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:18, skipping insertion in model container [2019-11-26 02:15:18,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:17" (2/3) ... [2019-11-26 02:15:18,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e5ff63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:18, skipping insertion in model container [2019-11-26 02:15:18,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:18" (3/3) ... [2019-11-26 02:15:18,614 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2019-11-26 02:15:18,621 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:15:18,627 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:15:18,635 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:15:18,655 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:15:18,655 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:15:18,655 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:15:18,655 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:15:18,655 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:15:18,656 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:15:18,656 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:15:18,656 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:15:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-26 02:15:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:15:18,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:18,672 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:18,672 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:18,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:18,677 INFO L82 PathProgramCache]: Analyzing trace with hash -427355386, now seen corresponding path program 1 times [2019-11-26 02:15:18,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:18,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938206779] [2019-11-26 02:15:18,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:18,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938206779] [2019-11-26 02:15:18,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:18,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:18,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750754515] [2019-11-26 02:15:18,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:15:18,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:18,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:15:18,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:15:18,799 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-26 02:15:18,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:18,811 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2019-11-26 02:15:18,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:15:18,812 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-26 02:15:18,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:18,819 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:15:18,820 INFO L226 Difference]: Without dead ends: 20 [2019-11-26 02:15:18,822 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:15:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-26 02:15:18,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-26 02:15:18,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-26 02:15:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2019-11-26 02:15:18,848 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 9 [2019-11-26 02:15:18,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:18,848 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-26 02:15:18,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:15:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2019-11-26 02:15:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:15:18,849 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:18,849 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:18,850 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:18,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:18,850 INFO L82 PathProgramCache]: Analyzing trace with hash -335962293, now seen corresponding path program 1 times [2019-11-26 02:15:18,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:18,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713917750] [2019-11-26 02:15:18,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:15:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:15:18,925 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:15:18,926 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:15:18,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:15:18 BoogieIcfgContainer [2019-11-26 02:15:18,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:15:18,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:15:18,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:15:18,952 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:15:18,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:18" (3/4) ... [2019-11-26 02:15:18,956 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:15:18,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:15:18,958 INFO L168 Benchmark]: Toolchain (without parser) took 1501.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -116.3 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:18,958 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:18,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:18,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.73 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:18,960 INFO L168 Benchmark]: Boogie Preprocessor took 29.14 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:18,961 INFO L168 Benchmark]: RCFGBuilder took 707.49 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: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:18,961 INFO L168 Benchmark]: TraceAbstraction took 342.47 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:18,962 INFO L168 Benchmark]: Witness Printer took 3.96 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:18,965 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.73 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.14 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 707.49 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: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 342.47 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.96 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; [L98] double x = 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND FALSE !(j0 < 20) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L47] COND TRUE j0 > 51 [L48] COND FALSE !(j0 == 0x400) [L51] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L99] double res = floor_double(x); [L102] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L102] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L103] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:15:20,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:15:20,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:15:20,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:15:20,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:15:20,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:15:20,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:15:20,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:15:20,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:15:20,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:15:20,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:15:20,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:15:20,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:15:20,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:15:20,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:15:20,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:15:20,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:15:20,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:15:20,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:15:20,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:15:20,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:15:20,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:15:20,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:15:20,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:15:20,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:15:20,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:15:20,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:15:20,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:15:20,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:15:20,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:15:20,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:15:20,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:15:20,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:15:20,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:15:20,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:15:20,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:15:20,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:15:20,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:15:20,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:15:20,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:15:20,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:15:20,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:15:20,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:15:20,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:15:20,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:15:20,721 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:15:20,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:15:20,721 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:15:20,722 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:15:20,722 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:15:20,722 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:15:20,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:15:20,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:15:20,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:15:20,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:15:20,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:15:20,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:15:20,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:15:20,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:15:20,725 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:15:20,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:15:20,725 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:15:20,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:15:20,726 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:15:20,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:15:20,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:15:20,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:15:20,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:15:20,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:15:20,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:15:20,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:15:20,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:15:20,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:15:20,728 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:15:20,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:15:20,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:15:20,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:15:20,729 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/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 -> 204277589f1e9105606b7fb7cfd8af760c5fd585 [2019-11-26 02:15:20,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:15:20,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:15:20,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:15:20,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:15:20,994 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:15:20,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2019-11-26 02:15:21,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data/61c4e9051/9f4a85c3302d42a3861c887f84e37e19/FLAG9278cbe2d [2019-11-26 02:15:21,446 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:15:21,446 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2019-11-26 02:15:21,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data/61c4e9051/9f4a85c3302d42a3861c887f84e37e19/FLAG9278cbe2d [2019-11-26 02:15:21,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/data/61c4e9051/9f4a85c3302d42a3861c887f84e37e19 [2019-11-26 02:15:21,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:15:21,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:15:21,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:21,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:15:21,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:15:21,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d31a4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21, skipping insertion in model container [2019-11-26 02:15:21,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:15:21,499 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:15:21,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:21,669 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:15:21,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:21,822 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:15:21,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21 WrapperNode [2019-11-26 02:15:21,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:21,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:21,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:15:21,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:15:21,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:21,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:15:21,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:15:21,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:15:21,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:15:21,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:15:21,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:15:21,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:15:21,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:15:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-26 02:15:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-26 02:15:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:15:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 02:15:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:15:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:15:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:15:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:15:23,179 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:15:23,179 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-26 02:15:23,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:23 BoogieIcfgContainer [2019-11-26 02:15:23,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:15:23,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:15:23,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:15:23,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:15:23,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:15:21" (1/3) ... [2019-11-26 02:15:23,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176d108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:23, skipping insertion in model container [2019-11-26 02:15:23,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21" (2/3) ... [2019-11-26 02:15:23,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176d108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:23, skipping insertion in model container [2019-11-26 02:15:23,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:23" (3/3) ... [2019-11-26 02:15:23,187 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2019-11-26 02:15:23,195 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:15:23,200 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:15:23,208 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:15:23,226 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:15:23,226 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:15:23,226 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:15:23,226 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:15:23,227 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:15:23,227 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:15:23,227 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:15:23,227 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:15:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-11-26 02:15:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:15:23,243 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:23,244 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:23,245 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:23,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:23,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2019-11-26 02:15:23,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:15:23,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474867534] [2019-11-26 02:15:23,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 02:15:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:23,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-26 02:15:23,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:15:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:23,370 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:15:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:23,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474867534] [2019-11-26 02:15:23,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:23,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 02:15:23,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122814473] [2019-11-26 02:15:23,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:15:23,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:15:23,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:15:23,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:15:23,391 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-11-26 02:15:23,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:23,406 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2019-11-26 02:15:23,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:15:23,408 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-26 02:15:23,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:23,417 INFO L225 Difference]: With dead ends: 74 [2019-11-26 02:15:23,417 INFO L226 Difference]: Without dead ends: 35 [2019-11-26 02:15:23,420 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:15:23,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-26 02:15:23,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-26 02:15:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-26 02:15:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2019-11-26 02:15:23,449 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2019-11-26 02:15:23,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:23,450 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-11-26 02:15:23,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:15:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2019-11-26 02:15:23,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:15:23,451 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:23,451 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:23,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:15:23,657 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:23,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:23,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2019-11-26 02:15:23,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:15:23,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916238499] [2019-11-26 02:15:23,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 02:15:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:23,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:15:23,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:15:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:23,830 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:15:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:23,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916238499] [2019-11-26 02:15:23,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:23,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-26 02:15:23,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284303708] [2019-11-26 02:15:23,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:15:23,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:15:23,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:15:23,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:15:23,904 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand 8 states. [2019-11-26 02:15:24,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:24,160 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2019-11-26 02:15:24,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:15:24,161 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-26 02:15:24,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:24,162 INFO L225 Difference]: With dead ends: 47 [2019-11-26 02:15:24,162 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:15:24,164 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-26 02:15:24,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:15:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:15:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:15:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-11-26 02:15:24,169 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2019-11-26 02:15:24,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:24,169 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-11-26 02:15:24,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:15:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-11-26 02:15:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:15:24,171 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:24,171 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:24,392 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:15:24,392 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:24,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:24,393 INFO L82 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2019-11-26 02:15:24,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:15:24,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999566106] [2019-11-26 02:15:24,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-26 02:15:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:24,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 02:15:24,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:15:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:24,641 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:15:25,231 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-26 02:15:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:25,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999566106] [2019-11-26 02:15:25,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:25,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-26 02:15:25,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416425295] [2019-11-26 02:15:25,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:15:25,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:15:25,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:15:25,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:15:25,532 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2019-11-26 02:15:25,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:25,795 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-26 02:15:25,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:15:25,801 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-26 02:15:25,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:25,802 INFO L225 Difference]: With dead ends: 33 [2019-11-26 02:15:25,802 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:15:25,802 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:15:25,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:15:25,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:15:25,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:15:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-26 02:15:25,807 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2019-11-26 02:15:25,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:25,807 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-26 02:15:25,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:15:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-26 02:15:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:15:25,808 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:25,808 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:26,009 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 02:15:26,009 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:26,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:26,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2019-11-26 02:15:26,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:15:26,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070623349] [2019-11-26 02:15:26,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 02:15:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:26,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 02:15:26,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:15:26,211 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-26 02:15:26,218 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:15:26,220 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:15:26,220 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:15:26,223 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:15:26,223 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:15:26,223 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-26 02:15:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:26,273 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:15:26,275 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:15:26,328 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-26 02:15:26,335 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:15:26,342 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:15:26,343 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:15:26,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:15:26,347 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:15:26,347 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-26 02:15:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:26,378 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070623349] [2019-11-26 02:15:26,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:26,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-26 02:15:26,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536770044] [2019-11-26 02:15:26,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 02:15:26,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:15:26,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 02:15:26,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:15:26,380 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-11-26 02:15:26,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:26,640 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-11-26 02:15:26,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:15:26,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2019-11-26 02:15:26,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:26,641 INFO L225 Difference]: With dead ends: 24 [2019-11-26 02:15:26,641 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:15:26,642 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-26 02:15:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:15:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:15:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:15:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-11-26 02:15:26,646 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-11-26 02:15:26,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:26,646 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-11-26 02:15:26,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 02:15:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-11-26 02:15:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:15:26,647 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:26,647 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:26,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 02:15:26,857 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:15:26,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:26,857 INFO L82 PathProgramCache]: Analyzing trace with hash -2014843095, now seen corresponding path program 1 times [2019-11-26 02:15:26,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:15:26,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851340695] [2019-11-26 02:15:26,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_556ed4d2-4207-42ea-b1ba-9adcd634f4bd/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-26 02:15:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:27,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-26 02:15:27,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:15:27,023 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-26 02:15:27,025 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:15:27,027 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:15:27,028 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:15:27,031 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:15:27,032 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:15:27,032 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-26 02:15:27,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:15:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:27,166 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:15:27,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:15:27,371 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2019-11-26 02:15:27,374 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:15:27,376 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:15:27,376 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:15:27,383 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:15:27,383 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 02:15:27,383 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:29 [2019-11-26 02:15:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:27,444 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851340695] [2019-11-26 02:15:27,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:27,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-11-26 02:15:27,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687544086] [2019-11-26 02:15:27,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-26 02:15:27,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:15:27,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-26 02:15:27,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-26 02:15:27,446 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 16 states. [2019-11-26 02:15:27,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:27,941 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-11-26 02:15:27,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 02:15:27,949 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2019-11-26 02:15:27,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:27,950 INFO L225 Difference]: With dead ends: 21 [2019-11-26 02:15:27,950 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:15:27,951 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-11-26 02:15:27,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:15:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:15:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:15:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:15:27,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-11-26 02:15:27,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:27,951 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:15:27,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-26 02:15:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:15:27,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:15:28,152 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 02:15:28,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:15:28,386 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-11-26 02:15:28,624 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-11-26 02:15:28,626 INFO L444 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2019-11-26 02:15:28,626 INFO L444 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2019-11-26 02:15:28,626 INFO L440 ceAbstractionStarter]: At program point L19-2(lines 19 24) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_floor_double_~x) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0)) [2019-11-26 02:15:28,626 INFO L444 ceAbstractionStarter]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2019-11-26 02:15:28,626 INFO L444 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-11-26 02:15:28,626 INFO L444 ceAbstractionStarter]: For program point L102-2(lines 102 105) no Hoare annotation was computed. [2019-11-26 02:15:28,626 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:15:28,626 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L28(lines 28 35) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L70-1(lines 16 77) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L70-2(lines 70 75) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L29(lines 29 34) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L62-2(lines 62 63) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-26 02:15:28,627 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L440 ceAbstractionStarter]: At program point L88(lines 79 89) the Hoare annotation is: (let ((.cse0 (let ((.cse2 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (= ULTIMATE.start_floor_double_~i0~0 ULTIMATE.start_floor_double_~i1~0) (= .cse0 ULTIMATE.start_floor_double_~x) (= ULTIMATE.start_main_~res~0 .cse0) (exists ((v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_3_3)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3)) (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (= .cse0 ULTIMATE.start___signbit_double_~x) |ULTIMATE.start_main_#t~short10| (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_floor_double_#res| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0))) [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 69) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 34) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 68) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L40(lines 40 45) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 66) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 57 66) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L444 ceAbstractionStarter]: For program point L82-1(lines 82 86) no Hoare annotation was computed. [2019-11-26 02:15:28,628 INFO L440 ceAbstractionStarter]: At program point L82-2(lines 82 86) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (= .cse0 ULTIMATE.start_floor_double_~x) (= ULTIMATE.start_main_~res~0 .cse0) (= .cse0 ULTIMATE.start___signbit_double_~x) |ULTIMATE.start_main_#t~short10| (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_floor_double_~i0~0))) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_floor_double_#res| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0))) [2019-11-26 02:15:28,629 INFO L444 ceAbstractionStarter]: For program point L82-3(lines 82 86) no Hoare annotation was computed. [2019-11-26 02:15:28,629 INFO L447 ceAbstractionStarter]: At program point L107(lines 91 108) the Hoare annotation is: true [2019-11-26 02:15:28,629 INFO L444 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-11-26 02:15:28,629 INFO L444 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-11-26 02:15:28,629 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:15:28,629 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 65) no Hoare annotation was computed. [2019-11-26 02:15:28,629 INFO L444 ceAbstractionStarter]: For program point L26(lines 26 69) no Hoare annotation was computed. [2019-11-26 02:15:28,629 INFO L440 ceAbstractionStarter]: At program point L76(lines 16 77) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (= .cse0 ULTIMATE.start_floor_double_~x) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_floor_double_~i0~0))) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_floor_double_#res| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0))) [2019-11-26 02:15:28,632 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.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:15:28,636 INFO L168 Benchmark]: Toolchain (without parser) took 7168.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.1 MB in the beginning and 886.5 MB in the end (delta: 68.6 MB). Peak memory consumption was 233.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:28,637 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:28,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -198.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:28,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:28,638 INFO L168 Benchmark]: Boogie Preprocessor took 35.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:28,639 INFO L168 Benchmark]: RCFGBuilder took 1279.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:28,639 INFO L168 Benchmark]: TraceAbstraction took 5453.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.5 MB in the end (delta: 234.3 MB). Peak memory consumption was 234.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:28,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -198.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1279.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5453.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.5 MB in the end (delta: 234.3 MB). Peak memory consumption was 234.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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...