./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b9f1d4d604db7902b4170bb3ee6b57db84e8a88 .................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b9f1d4d604db7902b4170bb3ee6b57db84e8a88 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_1 (_ bv4 32) ((_ extract 63 32) |v_q#valueAsBitvector_28|)) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:04:08,157 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:04:08,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:04:08,165 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:04:08,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:04:08,166 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:04:08,167 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:04:08,168 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:04:08,169 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:04:08,169 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:04:08,170 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:04:08,170 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:04:08,171 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:04:08,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:04:08,172 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:04:08,173 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:04:08,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:04:08,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:04:08,176 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:04:08,177 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:04:08,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:04:08,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:04:08,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:04:08,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:04:08,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:04:08,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:04:08,181 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:04:08,182 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:04:08,182 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:04:08,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:04:08,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:04:08,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:04:08,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:04:08,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:04:08,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:04:08,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:04:08,185 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:04:08,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:04:08,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:04:08,195 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:04:08,195 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:04:08,195 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:04:08,195 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:04:08,196 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:04:08,196 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:04:08,196 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:04:08,196 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:04:08,196 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:04:08,196 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:04:08,196 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:04:08,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:04:08,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:04:08,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:04:08,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:04:08,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:04:08,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:04:08,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:04:08,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:04:08,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:04:08,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:04:08,198 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:04:08,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:04:08,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:04:08,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:04:08,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:04:08,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:04:08,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:04:08,199 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:04:08,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:04:08,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:04:08,199 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:04:08,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:04:08,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:04:08,200 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:04:08,200 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b9f1d4d604db7902b4170bb3ee6b57db84e8a88 [2018-11-22 23:04:08,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:04:08,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:04:08,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:04:08,233 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:04:08,233 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:04:08,234 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0873b_true-unreach-call.c [2018-11-22 23:04:08,268 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data/05930f263/0c6cd4be263e4d2cba726cb792f4e451/FLAGba1be3fac [2018-11-22 23:04:08,693 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:04:08,693 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/sv-benchmarks/c/float-newlib/double_req_bl_0873b_true-unreach-call.c [2018-11-22 23:04:08,699 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data/05930f263/0c6cd4be263e4d2cba726cb792f4e451/FLAGba1be3fac [2018-11-22 23:04:08,707 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data/05930f263/0c6cd4be263e4d2cba726cb792f4e451 [2018-11-22 23:04:08,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:04:08,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:04:08,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:04:08,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:04:08,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:04:08,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:08" (1/1) ... [2018-11-22 23:04:08,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6663a739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:08, skipping insertion in model container [2018-11-22 23:04:08,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:08" (1/1) ... [2018-11-22 23:04:08,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:04:08,746 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:04:08,885 FATAL L292 ToolchainWalker]: 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:825) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1318) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$39(StandardFunctionHandler.java:319) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1887) 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:1503) 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:962) 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:1480) 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:962) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1332) 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:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) 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:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-22 23:04:08,888 INFO L168 Benchmark]: Toolchain (without parser) took 178.64 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 943.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:04:08,889 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:04:08,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.11 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 943.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:04:08,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.11 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 943.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 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:825) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-22 23:04:10,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:04:10,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:04:10,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:04:10,125 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:04:10,125 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:04:10,126 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:04:10,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:04:10,128 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:04:10,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:04:10,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:04:10,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:04:10,130 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:04:10,131 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:04:10,132 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:04:10,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:04:10,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:04:10,134 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:04:10,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:04:10,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:04:10,137 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:04:10,138 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:04:10,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:04:10,140 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:04:10,140 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:04:10,140 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:04:10,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:04:10,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:04:10,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:04:10,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:04:10,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:04:10,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:04:10,144 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:04:10,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:04:10,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:04:10,145 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:04:10,145 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-22 23:04:10,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:04:10,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:04:10,156 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:04:10,156 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:04:10,157 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:04:10,157 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:04:10,157 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:04:10,157 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:04:10,157 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:04:10,157 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:04:10,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:04:10,158 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:04:10,158 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:04:10,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:04:10,158 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:04:10,159 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:04:10,159 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:04:10,159 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 23:04:10,159 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 23:04:10,159 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:04:10,159 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:04:10,159 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:04:10,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:04:10,160 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:04:10,160 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:04:10,160 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:04:10,160 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:04:10,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:04:10,160 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:04:10,160 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:04:10,161 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:04:10,161 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-22 23:04:10,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:04:10,161 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 23:04:10,161 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 23:04:10,161 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b9f1d4d604db7902b4170bb3ee6b57db84e8a88 [2018-11-22 23:04:10,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:04:10,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:04:10,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:04:10,203 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:04:10,203 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:04:10,204 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0873b_true-unreach-call.c [2018-11-22 23:04:10,243 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data/7df124a30/416427443f244cc385685e5274eeb1d5/FLAGc7bf7363d [2018-11-22 23:04:10,672 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:04:10,673 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/sv-benchmarks/c/float-newlib/double_req_bl_0873b_true-unreach-call.c [2018-11-22 23:04:10,680 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data/7df124a30/416427443f244cc385685e5274eeb1d5/FLAGc7bf7363d [2018-11-22 23:04:10,689 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/data/7df124a30/416427443f244cc385685e5274eeb1d5 [2018-11-22 23:04:10,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:04:10,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:04:10,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:04:10,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:04:10,695 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:04:10,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:10" (1/1) ... [2018-11-22 23:04:10,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc2a72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:10, skipping insertion in model container [2018-11-22 23:04:10,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:10" (1/1) ... [2018-11-22 23:04:10,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:04:10,731 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:04:10,938 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:04:10,944 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:04:11,006 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:04:11,076 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:04:11,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11 WrapperNode [2018-11-22 23:04:11,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:04:11,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:04:11,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:04:11,077 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:04:11,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:04:11,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:04:11,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:04:11,102 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:04:11,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... [2018-11-22 23:04:11,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:04:11,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:04:11,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:04:11,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:04:11,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/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 [2018-11-22 23:04:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-22 23:04:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-11-22 23:04:11,234 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-11-22 23:04:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-11-22 23:04:11,234 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-11-22 23:04:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-22 23:04:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-11-22 23:04:11,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-11-22 23:04:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:04:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:04:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-22 23:04:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-22 23:04:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-22 23:04:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-22 23:04:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:04:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:04:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-11-22 23:04:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:04:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 23:04:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:04:11,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:04:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 23:04:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 23:04:11,502 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:12,125 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:12,369 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:13,682 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:13,696 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:13,709 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:13,725 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:19,128 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:19,233 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:21,893 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:21,912 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:22,215 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:22,237 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:33,398 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:33,855 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:33,878 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:36,211 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:36,228 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:38,741 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:40,886 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:43,050 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:45,100 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:47,239 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:47,271 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:47,287 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:47,612 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:49,742 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 23:04:49,747 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:04:49,747 INFO L280 CfgBuilder]: Removed 58 assue(true) statements. [2018-11-22 23:04:49,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:04:49 BoogieIcfgContainer [2018-11-22 23:04:49,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:04:49,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:04:49,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:04:49,750 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:04:49,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:04:10" (1/3) ... [2018-11-22 23:04:49,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76aa212c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:04:49, skipping insertion in model container [2018-11-22 23:04:49,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:11" (2/3) ... [2018-11-22 23:04:49,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76aa212c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:04:49, skipping insertion in model container [2018-11-22 23:04:49,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:04:49" (3/3) ... [2018-11-22 23:04:49,753 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0873b_true-unreach-call.c [2018-11-22 23:04:49,763 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:04:49,769 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:04:49,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:04:49,798 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:04:49,798 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:04:49,798 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:04:49,799 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:04:49,799 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:04:49,799 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:04:49,799 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:04:49,799 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:04:49,799 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:04:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states. [2018-11-22 23:04:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:04:49,822 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:04:49,823 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:04:49,825 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:04:49,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:49,828 INFO L82 PathProgramCache]: Analyzing trace with hash -694675064, now seen corresponding path program 1 times [2018-11-22 23:04:49,831 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 23:04:49,832 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/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 [2018-11-22 23:04:49,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:04:50,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:04:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:04:50,024 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 23:04:50,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:04:50,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:04:50,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:04:50,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:04:50,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:04:50,046 INFO L87 Difference]: Start difference. First operand 222 states. Second operand 2 states. [2018-11-22 23:04:50,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:04:50,074 INFO L93 Difference]: Finished difference Result 436 states and 720 transitions. [2018-11-22 23:04:50,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:04:50,075 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-22 23:04:50,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:04:50,082 INFO L225 Difference]: With dead ends: 436 [2018-11-22 23:04:50,082 INFO L226 Difference]: Without dead ends: 218 [2018-11-22 23:04:50,085 INFO L631 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 [2018-11-22 23:04:50,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-11-22 23:04:50,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-11-22 23:04:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-22 23:04:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 298 transitions. [2018-11-22 23:04:50,129 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 298 transitions. Word has length 17 [2018-11-22 23:04:50,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:04:50,129 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 298 transitions. [2018-11-22 23:04:50,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:04:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 298 transitions. [2018-11-22 23:04:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 23:04:50,130 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:04:50,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:04:50,130 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:04:50,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:50,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1022844235, now seen corresponding path program 1 times [2018-11-22 23:04:50,131 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 23:04:50,131 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/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 [2018-11-22 23:04:50,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:04:50,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:04:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:04:50,495 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 23:04:50,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:04:50,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:04:50,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:04:50,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:04:50,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:04:50,506 INFO L87 Difference]: Start difference. First operand 218 states and 298 transitions. Second operand 7 states. [2018-11-22 23:05:03,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:05:03,011 INFO L93 Difference]: Finished difference Result 226 states and 305 transitions. [2018-11-22 23:05:03,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:05:03,119 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-22 23:05:03,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:05:03,123 INFO L225 Difference]: With dead ends: 226 [2018-11-22 23:05:03,123 INFO L226 Difference]: Without dead ends: 220 [2018-11-22 23:05:03,124 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:05:03,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-22 23:05:03,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 218. [2018-11-22 23:05:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-22 23:05:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 297 transitions. [2018-11-22 23:05:03,142 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 297 transitions. Word has length 19 [2018-11-22 23:05:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:05:03,142 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 297 transitions. [2018-11-22 23:05:03,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:05:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 297 transitions. [2018-11-22 23:05:03,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-22 23:05:03,143 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:05:03,143 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:05:03,144 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:05:03,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:05:03,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1382667591, now seen corresponding path program 1 times [2018-11-22 23:05:03,144 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 23:05:03,144 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/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 [2018-11-22 23:05:03,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:05:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:05:03,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:05:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:05:03,373 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 23:05:03,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:05:03,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:05:03,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:05:03,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:05:03,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:05:03,383 INFO L87 Difference]: Start difference. First operand 218 states and 297 transitions. Second operand 6 states. [2018-11-22 23:05:27,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:05:27,764 INFO L93 Difference]: Finished difference Result 255 states and 345 transitions. [2018-11-22 23:05:27,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:05:27,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-22 23:05:27,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:05:27,766 INFO L225 Difference]: With dead ends: 255 [2018-11-22 23:05:27,767 INFO L226 Difference]: Without dead ends: 249 [2018-11-22 23:05:27,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:05:27,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-11-22 23:05:27,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 218. [2018-11-22 23:05:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-22 23:05:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 295 transitions. [2018-11-22 23:05:27,781 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 295 transitions. Word has length 21 [2018-11-22 23:05:27,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:05:27,781 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 295 transitions. [2018-11-22 23:05:27,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:05:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 295 transitions. [2018-11-22 23:05:27,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-22 23:05:27,781 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:05:27,782 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:05:27,782 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:05:27,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:05:27,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1411296742, now seen corresponding path program 1 times [2018-11-22 23:05:27,782 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 23:05:27,782 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1882f5bb-c70a-4cf4-a942-a2c1731f98ae/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-22 23:05:27,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:05:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:05:28,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:05:28,095 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 23:05:28,096 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 23:05:28,098 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 23:05:28,099 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 23:05:28,103 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-11-22 23:05:28,307 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2018-11-22 23:05:28,308 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_1 (_ bv4 32) ((_ extract 63 32) |v_q#valueAsBitvector_28|)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java: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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-22 23:05:28,311 INFO L168 Benchmark]: Toolchain (without parser) took 77619.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.9 MB in the beginning and 868.3 MB in the end (delta: 83.5 MB). Peak memory consumption was 238.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:28,312 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:05:28,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:28,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:28,313 INFO L168 Benchmark]: Boogie Preprocessor took 74.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:28,313 INFO L168 Benchmark]: RCFGBuilder took 38571.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:28,314 INFO L168 Benchmark]: TraceAbstraction took 38561.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 868.3 MB in the end (delta: 162.7 MB). Peak memory consumption was 162.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:28,317 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 38571.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38561.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 868.3 MB in the end (delta: 162.7 MB). Peak memory consumption was 162.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_1 (_ bv4 32) ((_ extract 63 32) |v_q#valueAsBitvector_28|)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_1 (_ bv4 32) ((_ extract 63 32) |v_q#valueAsBitvector_28|)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...