./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs --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 c9ea224c644c0536a0a3c2aeacaea0c4a0100f64 .............................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs --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 c9ea224c644c0536a0a3c2aeacaea0c4a0100f64 ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:17:54,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:17:54,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:17:54,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:17:54,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:17:54,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:17:54,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:17:54,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:17:54,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:17:54,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:17:54,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:17:54,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:17:54,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:17:54,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:17:54,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:17:54,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:17:54,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:17:54,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:17:54,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:17:54,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:17:54,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:17:54,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:17:54,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:17:54,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:17:54,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:17:54,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:17:54,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:17:54,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:17:54,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:17:54,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:17:54,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:17:54,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:17:54,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:17:54,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:17:54,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:17:54,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:17:54,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:17:54,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:17:54,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:17:54,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:17:54,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:17:54,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:17:54,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:17:54,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:17:54,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:17:54,186 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:17:54,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:17:54,187 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:17:54,187 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:17:54,187 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:17:54,195 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:17:54,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:17:54,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:17:54,197 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:17:54,198 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:17:54,198 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:17:54,198 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:17:54,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:17:54,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:17:54,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:17:54,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:17:54,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:17:54,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:17:54,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:17:54,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:17:54,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:17:54,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:17:54,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:17:54,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:17:54,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:17:54,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:17:54,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:17:54,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:17:54,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:17:54,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:17:54,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:17:54,207 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:17:54,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:17:54,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:17:54,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:17:54,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:17:54,208 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_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ea224c644c0536a0a3c2aeacaea0c4a0100f64 [2021-10-16 03:17:54,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:17:54,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:17:54,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:17:54,549 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:17:54,553 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:17:54,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2021-10-16 03:17:54,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data/ed8eef4d8/8fab70bacc6843c896638093946729f4/FLAG23d18f051 [2021-10-16 03:17:55,318 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:17:55,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2021-10-16 03:17:55,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data/ed8eef4d8/8fab70bacc6843c896638093946729f4/FLAG23d18f051 [2021-10-16 03:17:55,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data/ed8eef4d8/8fab70bacc6843c896638093946729f4 [2021-10-16 03:17:55,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:17:55,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:17:55,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:17:55,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:17:55,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:17:55,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:55" (1/1) ... [2021-10-16 03:17:55,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52adb6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:55, skipping insertion in model container [2021-10-16 03:17:55,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:55" (1/1) ... [2021-10-16 03:17:55,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:17:55,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:17:55,999 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1607) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1584) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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) [2021-10-16 03:17:56,008 INFO L168 Benchmark]: Toolchain (without parser) took 374.96 ms. Allocated memory is still 104.9 MB. Free memory was 66.7 MB in the beginning and 79.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:17:56,010 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory was 83.6 MB in the beginning and 83.5 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:17:56,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.48 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 79.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:17:56,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory was 83.6 MB in the beginning and 83.5 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 370.48 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 79.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:17:58,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:17:58,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:17:58,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:17:58,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:17:58,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:17:58,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:17:58,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:17:58,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:17:58,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:17:58,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:17:58,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:17:58,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:17:58,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:17:58,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:17:58,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:17:58,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:17:58,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:17:58,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:17:58,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:17:58,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:17:58,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:17:58,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:17:58,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:17:58,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:17:58,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:17:58,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:17:58,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:17:58,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:17:58,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:17:58,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:17:58,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:17:58,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:17:58,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:17:58,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:17:58,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:17:58,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:17:58,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:17:58,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:17:58,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:17:58,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:17:58,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:17:59,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:17:59,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:17:59,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:17:59,034 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:17:59,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:17:59,035 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:17:59,035 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:17:59,035 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:17:59,035 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:17:59,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:17:59,037 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:17:59,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:17:59,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:17:59,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:17:59,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:17:59,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:17:59,038 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:17:59,038 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:17:59,039 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:17:59,039 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:17:59,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:17:59,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:17:59,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:17:59,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:17:59,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:17:59,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:17:59,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:17:59,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:17:59,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:17:59,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:17:59,042 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:17:59,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:17:59,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:17:59,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:17:59,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:17:59,043 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_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ea224c644c0536a0a3c2aeacaea0c4a0100f64 [2021-10-16 03:17:59,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:17:59,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:17:59,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:17:59,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:17:59,496 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:17:59,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2021-10-16 03:17:59,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data/f1015bcdd/794928fdf7874398aae16af8988ec44d/FLAG1beea36e8 [2021-10-16 03:18:00,286 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:18:00,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2021-10-16 03:18:00,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data/f1015bcdd/794928fdf7874398aae16af8988ec44d/FLAG1beea36e8 [2021-10-16 03:18:00,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/data/f1015bcdd/794928fdf7874398aae16af8988ec44d [2021-10-16 03:18:00,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:18:00,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:18:00,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:18:00,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:18:00,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:18:00,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:18:00" (1/1) ... [2021-10-16 03:18:00,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7bb284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:00, skipping insertion in model container [2021-10-16 03:18:00,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:18:00" (1/1) ... [2021-10-16 03:18:00,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:18:00,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:18:01,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c[13768,13781] [2021-10-16 03:18:01,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:18:01,245 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:18:01,424 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c[13768,13781] [2021-10-16 03:18:01,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:18:01,460 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:18:01,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01 WrapperNode [2021-10-16 03:18:01,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:18:01,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:18:01,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:18:01,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:18:01,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:18:01,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:18:01,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:18:01,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:18:01,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:18:01,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:18:01,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:18:01,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:18:01,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (1/1) ... [2021-10-16 03:18:01,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:18:01,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:18:01,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:18:01,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:18:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-16 03:18:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:18:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:18:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-16 03:18:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 03:18:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:18:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:18:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-16 03:18:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 03:18:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:18:31,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:18:31,137 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-16 03:18:31,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:18:31 BoogieIcfgContainer [2021-10-16 03:18:31,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:18:31,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:18:31,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:18:31,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:18:31,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:18:00" (1/3) ... [2021-10-16 03:18:31,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a624da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:18:31, skipping insertion in model container [2021-10-16 03:18:31,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:18:01" (2/3) ... [2021-10-16 03:18:31,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a624da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:18:31, skipping insertion in model container [2021-10-16 03:18:31,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:18:31" (3/3) ... [2021-10-16 03:18:31,152 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0873a.c [2021-10-16 03:18:31,159 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:18:31,160 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:18:31,221 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:18:31,229 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:18:31,229 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:18:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 195 states have (on average 1.7435897435897436) internal successors, (340), 196 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:18:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 03:18:31,263 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:18:31,264 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:18:31,265 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:18:31,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:18:31,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1640381008, now seen corresponding path program 1 times [2021-10-16 03:18:31,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:18:31,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773601214] [2021-10-16 03:18:31,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:18:31,290 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:18:31,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:18:31,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:18:31,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:18:31,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:18:31,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:18:31,632 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-16 03:18:31,637 INFO L168 Benchmark]: Toolchain (without parser) took 31067.81 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 46.6 MB in the beginning and 68.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:18:31,637 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:18:31,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.29 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 51.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:18:31,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.81 ms. Allocated memory is still 81.8 MB. Free memory was 51.5 MB in the beginning and 46.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:18:31,639 INFO L168 Benchmark]: Boogie Preprocessor took 109.37 ms. Allocated memory is still 81.8 MB. Free memory was 46.8 MB in the beginning and 42.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:18:31,640 INFO L168 Benchmark]: RCFGBuilder took 29446.20 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 42.0 MB in the beginning and 81.6 MB in the end (delta: -39.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:18:31,641 INFO L168 Benchmark]: TraceAbstraction took 490.39 ms. Allocated memory is still 115.3 MB. Free memory was 81.2 MB in the beginning and 68.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:18:31,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 890.29 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 51.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.81 ms. Allocated memory is still 81.8 MB. Free memory was 51.5 MB in the beginning and 46.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.37 ms. Allocated memory is still 81.8 MB. Free memory was 46.8 MB in the beginning and 42.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 29446.20 ms. Allocated memory was 81.8 MB in the beginning and 115.3 MB in the end (delta: 33.6 MB). Free memory was 42.0 MB in the beginning and 81.6 MB in the end (delta: -39.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 490.39 ms. Allocated memory is still 115.3 MB. Free memory was 81.2 MB in the beginning and 68.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 03:18:31,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a31c76-3e42-49ed-8dd8-1e069d6b1159/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...