./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8f01f5987eb2c4fb8b66f29a3966d897a56af4a .................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8f01f5987eb2c4fb8b66f29a3966d897a56af4a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.0-a4ecdab [2020-11-22 12:56:25,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:25,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:25,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:25,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:25,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:25,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:25,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:25,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:25,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:25,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:25,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:25,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:25,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:25,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:25,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:25,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:25,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:25,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:25,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:25,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:25,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:25,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:25,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:25,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:25,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:25,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:25,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:25,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:25,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:25,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:25,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:25,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:25,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:25,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:25,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:25,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:25,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:25,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:25,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:25,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:25,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:56:25,458 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:25,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:25,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:25,460 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:25,460 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:25,460 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:25,461 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:25,461 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:25,461 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:25,461 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:25,463 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:25,463 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:25,463 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:25,463 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:25,464 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:25,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:25,465 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:25,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:25,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:25,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:25,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:25,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:25,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:25,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:25,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:25,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:25,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:25,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:25,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:25,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:25,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:25,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:25,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:25,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:25,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:25,471 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:25,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:25,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:25,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:25,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:25,472 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f01f5987eb2c4fb8b66f29a3966d897a56af4a [2020-11-22 12:56:25,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:25,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:25,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:25,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:25,768 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:25,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2020-11-22 12:56:25,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data/c66c53343/97cc977b81f24c74b4ab5b84ca18912f/FLAG1088259bd [2020-11-22 12:56:26,249 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:26,250 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2020-11-22 12:56:26,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data/c66c53343/97cc977b81f24c74b4ab5b84ca18912f/FLAG1088259bd [2020-11-22 12:56:26,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data/c66c53343/97cc977b81f24c74b4ab5b84ca18912f [2020-11-22 12:56:26,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:26,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:26,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:26,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:26,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:26,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8b4739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26, skipping insertion in model container [2020-11-22 12:56:26,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:26,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:26,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:26,902 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:26,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:26,962 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:26,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26 WrapperNode [2020-11-22 12:56:26,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:26,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:26,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:26,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:26,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:27,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:27,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:27,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:27,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:27,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:27,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:27,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:27,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:27,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:27,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:27,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:27,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:27,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:27,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:27,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:27,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/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 [2020-11-22 12:56:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:56:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 12:56:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 12:56:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 12:56:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 12:56:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:27,489 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:27,490 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-22 12:56:27,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:27 BoogieIcfgContainer [2020-11-22 12:56:27,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:27,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:27,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:27,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:27,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:26" (1/3) ... [2020-11-22 12:56:27,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16827ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:27, skipping insertion in model container [2020-11-22 12:56:27,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (2/3) ... [2020-11-22 12:56:27,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16827ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:27, skipping insertion in model container [2020-11-22 12:56:27,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:27" (3/3) ... [2020-11-22 12:56:27,507 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2020-11-22 12:56:27,524 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:27,529 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:27,540 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:27,561 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:27,562 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:27,562 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:27,562 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:27,563 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:27,563 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:27,563 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:27,563 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-11-22 12:56:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-22 12:56:27,579 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:27,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:27,580 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:27,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:27,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1329761593, now seen corresponding path program 1 times [2020-11-22 12:56:27,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:27,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329277668] [2020-11-22 12:56:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:27,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329277668] [2020-11-22 12:56:27,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:27,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:56:27,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131450722] [2020-11-22 12:56:27,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:27,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:56:27,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:27,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:27,734 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2020-11-22 12:56:27,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:27,749 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2020-11-22 12:56:27,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:27,751 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-22 12:56:27,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:27,761 INFO L225 Difference]: With dead ends: 29 [2020-11-22 12:56:27,762 INFO L226 Difference]: Without dead ends: 13 [2020-11-22 12:56:27,764 INFO L677 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 [2020-11-22 12:56:27,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-22 12:56:27,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-22 12:56:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-22 12:56:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-11-22 12:56:27,799 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2020-11-22 12:56:27,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:27,799 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-11-22 12:56:27,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-11-22 12:56:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 12:56:27,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:27,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:27,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:56:27,801 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:27,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:27,802 INFO L82 PathProgramCache]: Analyzing trace with hash 2070533046, now seen corresponding path program 1 times [2020-11-22 12:56:27,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:27,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291571524] [2020-11-22 12:56:27,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:27,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:27,882 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:27,908 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 12:56:27,909 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:56:27,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 12:56:27,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:27 BoogieIcfgContainer [2020-11-22 12:56:27,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:27,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:27,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:27,936 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:27,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:27" (3/4) ... [2020-11-22 12:56:27,940 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 12:56:27,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:27,943 INFO L168 Benchmark]: Toolchain (without parser) took 1273.67 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 79.7 MB in the end (delta: 40.3 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,944 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:27,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.02 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 123.2 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.72 ms. Allocated memory is still 146.8 MB. Free memory was 122.8 MB in the beginning and 121.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,946 INFO L168 Benchmark]: Boogie Preprocessor took 27.16 ms. Allocated memory is still 146.8 MB. Free memory was 121.6 MB in the beginning and 120.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,947 INFO L168 Benchmark]: RCFGBuilder took 463.44 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 101.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,948 INFO L168 Benchmark]: TraceAbstraction took 441.45 ms. Allocated memory is still 146.8 MB. Free memory was 101.1 MB in the beginning and 80.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,949 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 146.8 MB. Free memory was 80.1 MB in the beginning and 79.7 MB in the end (delta: 469.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:27,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.02 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 123.2 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.72 ms. Allocated memory is still 146.8 MB. Free memory was 122.8 MB in the beginning and 121.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.16 ms. Allocated memory is still 146.8 MB. Free memory was 121.6 MB in the beginning and 120.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 463.44 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 101.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 441.45 ms. Allocated memory is still 146.8 MB. Free memory was 101.1 MB in the beginning and 80.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.83 ms. Allocated memory is still 146.8 MB. Free memory was 80.1 MB in the beginning and 79.7 MB in the end (delta: 469.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L49] double x = -0.0; [L28] __uint32_t high; [L30] ieee_double_shape_type gh_u; [L31] gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] (high) = gh_u.parts.msw [L35] ieee_double_shape_type sh_u; [L36] sh_u.value = (x) [L37] sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] (x) = sh_u.value [L40] return x; [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1011b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-22 12:56:30,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:30,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:30,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:30,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:30,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:30,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:30,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:30,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:30,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:30,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:30,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:30,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:30,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:30,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:30,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:30,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:30,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:30,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:30,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:30,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:30,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:30,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:30,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:30,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:30,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:30,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:30,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:30,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:30,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:30,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:30,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:30,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:30,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:30,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:30,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:30,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:30,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:30,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:30,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:30,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:30,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:30,566 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:30,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:30,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:30,568 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:30,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:30,569 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:30,570 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:30,570 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:30,571 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:30,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:30,572 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:30,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:30,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:30,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:30,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:30,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:30,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:30,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:30,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:30,577 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:30,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:30,577 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:30,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:30,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:30,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:30,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:30,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:30,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:30,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:30,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:30,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:30,581 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:30,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:30,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:30,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:30,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:30,583 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f01f5987eb2c4fb8b66f29a3966d897a56af4a [2020-11-22 12:56:30,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:30,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:30,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:30,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:30,964 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:30,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2020-11-22 12:56:31,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data/7b9edd670/aeafca6c9a6547c59487793279c714d9/FLAGcbd04fa06 [2020-11-22 12:56:31,602 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:31,603 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2020-11-22 12:56:31,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data/7b9edd670/aeafca6c9a6547c59487793279c714d9/FLAGcbd04fa06 [2020-11-22 12:56:31,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/bin/utaipan/data/7b9edd670/aeafca6c9a6547c59487793279c714d9 [2020-11-22 12:56:31,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:31,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:31,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:31,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:31,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:31,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:31" (1/1) ... [2020-11-22 12:56:31,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a5ef0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:31, skipping insertion in model container [2020-11-22 12:56:31,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:31" (1/1) ... [2020-11-22 12:56:31,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:31,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:32,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:32,207 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:32,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:32,309 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:32,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32 WrapperNode [2020-11-22 12:56:32,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:32,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:32,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:32,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:32,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:32,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:32,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:32,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:32,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:32,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:32,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:32,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:32,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/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 [2020-11-22 12:56:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-22 12:56:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-22 12:56:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 12:56:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 12:56:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:32,937 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:32,937 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-22 12:56:32,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:32 BoogieIcfgContainer [2020-11-22 12:56:32,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:32,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:32,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:32,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:32,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:31" (1/3) ... [2020-11-22 12:56:32,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224143de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:32, skipping insertion in model container [2020-11-22 12:56:32,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (2/3) ... [2020-11-22 12:56:32,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224143de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:32, skipping insertion in model container [2020-11-22 12:56:32,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:32" (3/3) ... [2020-11-22 12:56:32,953 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2020-11-22 12:56:32,964 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:32,969 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:32,980 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:33,007 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:33,007 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:33,007 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:33,007 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:33,007 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:33,008 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:33,008 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:33,008 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:33,017 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-11-22 12:56:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 12:56:33,022 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:33,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:33,023 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:33,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:33,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-11-22 12:56:33,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:33,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540477918] [2020-11-22 12:56:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/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 [2020-11-22 12:56:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:33,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:56:33,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:33,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:33,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540477918] [2020-11-22 12:56:33,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:33,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:33,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751521818] [2020-11-22 12:56:33,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:33,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:33,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:33,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:33,157 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-11-22 12:56:33,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:33,173 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-11-22 12:56:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:33,174 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-22 12:56:33,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:33,180 INFO L225 Difference]: With dead ends: 37 [2020-11-22 12:56:33,180 INFO L226 Difference]: Without dead ends: 16 [2020-11-22 12:56:33,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:33,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-22 12:56:33,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-22 12:56:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-22 12:56:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-22 12:56:33,214 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-11-22 12:56:33,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:33,215 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-11-22 12:56:33,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-22 12:56:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 12:56:33,215 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:33,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:33,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:33,440 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:33,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:33,441 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-11-22 12:56:33,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:33,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460871172] [2020-11-22 12:56:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/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 [2020-11-22 12:56:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:33,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-22 12:56:33,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:33,733 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2020-11-22 12:56:33,749 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-22 12:56:33,761 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:33,762 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-22 12:56:33,781 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:33,783 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:33,783 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:92, output treesize:53 [2020-11-22 12:56:33,869 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:56:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:33,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:34,011 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2020-11-22 12:56:34,016 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-22 12:56:34,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:34,021 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-22 12:56:34,038 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:34,039 INFO L545 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. [2020-11-22 12:56:34,039 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2020-11-22 12:56:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:34,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460871172] [2020-11-22 12:56:34,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:34,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2020-11-22 12:56:34,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112144759] [2020-11-22 12:56:34,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 12:56:34,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:34,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 12:56:34,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:56:34,169 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 10 states. [2020-11-22 12:56:34,502 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-11-22 12:56:34,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:34,651 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-22 12:56:34,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 12:56:34,652 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2020-11-22 12:56:34,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:34,652 INFO L225 Difference]: With dead ends: 19 [2020-11-22 12:56:34,653 INFO L226 Difference]: Without dead ends: 16 [2020-11-22 12:56:34,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-22 12:56:34,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-22 12:56:34,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-22 12:56:34,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-22 12:56:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-22 12:56:34,658 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-11-22 12:56:34,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:34,659 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-22 12:56:34,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 12:56:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-22 12:56:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-22 12:56:34,660 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:34,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:34,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:34,871 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:34,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:34,872 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2020-11-22 12:56:34,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:34,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557474152] [2020-11-22 12:56:34,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c0e0e00-e443-4fd3-b609-d7f29a07da9b/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 [2020-11-22 12:56:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:35,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-22 12:56:35,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:35,046 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2020-11-22 12:56:35,051 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2020-11-22 12:56:35,051 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:35,055 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:35,055 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:35,078 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:35,079 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:35,080 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:35 [2020-11-22 12:56:35,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:56:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:35,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:35,695 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2020-11-22 12:56:35,701 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2020-11-22 12:56:35,702 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:35,707 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:35,707 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:35,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:35,718 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:35,718 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2020-11-22 12:56:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:35,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557474152] [2020-11-22 12:56:35,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:35,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-11-22 12:56:35,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585157810] [2020-11-22 12:56:35,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-22 12:56:35,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:35,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-22 12:56:35,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-11-22 12:56:35,933 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2020-11-22 12:56:36,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:36,717 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-11-22 12:56:36,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-22 12:56:36,719 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2020-11-22 12:56:36,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:36,719 INFO L225 Difference]: With dead ends: 16 [2020-11-22 12:56:36,719 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:56:36,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-11-22 12:56:36,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:56:36,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:56:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:56:36,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:56:36,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-11-22 12:56:36,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:36,721 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:56:36,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-22 12:56:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:56:36,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:56:36,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:36,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:56:37,148 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-11-22 12:56:37,446 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2020-11-22 12:56:37,448 INFO L274 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-11-22 12:56:37,449 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse0 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse0) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_fabs_double_#res|)))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start_main_~res~0 (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~x (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse4 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse4) (= (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) ULTIMATE.start_fabs_double_~x)))) |ULTIMATE.start_main_#t~short15|) [2020-11-22 12:56:37,449 INFO L274 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-11-22 12:56:37,449 INFO L270 CegarLoopResult]: At program point L40(lines 27 41) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse0 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse0) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_fabs_double_#res|)))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse2 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse2) (= (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start_fabs_double_~x))))) [2020-11-22 12:56:37,449 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:56:37,449 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:56:37,449 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:56:37,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:56:37,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:56:37,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:37,450 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-22 12:56:37,450 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2020-11-22 12:56:37,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:56:37,450 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-11-22 12:56:37,450 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 33) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) ULTIMATE.start_fabs_double_~x) [2020-11-22 12:56:37,450 INFO L277 CegarLoopResult]: At program point L58(lines 43 59) the Hoare annotation is: true [2020-11-22 12:56:37,451 INFO L270 CegarLoopResult]: At program point L25(lines 16 26) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse1 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse1) (= (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_fabs_double_#res|)))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start_main_~res~0 (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~x (let ((.cse4 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse5 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse5) (= (let ((.cse6 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))) ULTIMATE.start_fabs_double_~x)))) |ULTIMATE.start_main_#t~short15|) [2020-11-22 12:56:37,451 INFO L274 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2020-11-22 12:56:37,451 INFO L274 CegarLoopResult]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2020-11-22 12:56:37,451 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2020-11-22 12:56:37,463 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-22 12:56:37,466 INFO L168 Benchmark]: Toolchain (without parser) took 5510.87 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 41.3 MB in the beginning and 67.0 MB in the end (delta: -25.8 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:37,467 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory was 42.6 MB in the beginning and 42.6 MB in the end (delta: 33.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:37,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.17 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 43.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:37,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.09 ms. Allocated memory is still 60.8 MB. Free memory was 42.8 MB in the beginning and 41.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:37,469 INFO L168 Benchmark]: Boogie Preprocessor took 36.54 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 39.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:37,470 INFO L168 Benchmark]: RCFGBuilder took 548.83 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 39.7 MB in the beginning and 53.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:37,470 INFO L168 Benchmark]: TraceAbstraction took 4524.39 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 53.0 MB in the beginning and 67.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:37,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory was 42.6 MB in the beginning and 42.6 MB in the end (delta: 33.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 351.17 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 43.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.09 ms. Allocated memory is still 60.8 MB. Free memory was 42.8 MB in the beginning and 41.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.54 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 39.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 548.83 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 39.7 MB in the beginning and 53.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4524.39 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 53.0 MB in the beginning and 67.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - 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...