./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/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 579faea91306b70f4f1704c1b6463ea271867143 ............................................................................................................................................................................ 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_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/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 579faea91306b70f4f1704c1b6463ea271867143 .................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:57:05,604 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:57:05,605 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:57:05,614 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:57:05,614 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:57:05,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:57:05,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:57:05,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:57:05,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:57:05,618 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:57:05,619 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:57:05,619 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:57:05,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:57:05,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:57:05,621 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:57:05,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:57:05,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:57:05,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:57:05,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:57:05,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:57:05,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:57:05,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:57:05,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:57:05,629 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:57:05,629 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:57:05,630 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:57:05,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:57:05,631 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:57:05,632 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:57:05,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:57:05,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:57:05,633 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:57:05,633 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:57:05,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:57:05,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:57:05,634 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:57:05,634 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 23:57:05,643 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:57:05,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:57:05,643 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:57:05,643 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:57:05,643 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 23:57:05,643 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 23:57:05,644 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 23:57:05,644 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 23:57:05,644 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 23:57:05,644 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 23:57:05,644 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 23:57:05,644 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 23:57:05,644 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 23:57:05,644 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:57:05,645 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:57:05,645 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:57:05,645 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:57:05,645 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:57:05,645 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:57:05,645 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:57:05,645 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:57:05,645 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:57:05,646 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:57:05,646 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:57:05,646 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:57:05,646 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:57:05,646 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:57:05,646 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:57:05,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:57:05,647 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:57:05,647 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:57:05,647 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:57:05,647 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 23:57:05,647 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:57:05,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:57:05,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 23:57:05,647 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_1daa3c12-28c0-4412-9440-837696a2825c/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 -> 579faea91306b70f4f1704c1b6463ea271867143 [2018-12-08 23:57:05,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:57:05,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:57:05,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:57:05,680 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:57:05,681 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:57:05,681 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float_lib2_true-unreach-call.i [2018-12-08 23:57:05,716 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data/4e5dcff3c/1ef2102f6a5d4c0ab181f14e1395d290/FLAG7c59dd09d [2018-12-08 23:57:06,131 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:57:06,132 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/sv-benchmarks/c/floats-cbmc-regression/float_lib2_true-unreach-call.i [2018-12-08 23:57:06,138 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data/4e5dcff3c/1ef2102f6a5d4c0ab181f14e1395d290/FLAG7c59dd09d [2018-12-08 23:57:06,147 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data/4e5dcff3c/1ef2102f6a5d4c0ab181f14e1395d290 [2018-12-08 23:57:06,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:57:06,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:57:06,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:57:06,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:57:06,152 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:57:06,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:57:06" (1/1) ... [2018-12-08 23:57:06,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f86d996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:06, skipping insertion in model container [2018-12-08 23:57:06,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:57:06" (1/1) ... [2018-12-08 23:57:06,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:57:06,184 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:57:06,425 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1668) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1320) 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.visit(CHandler.java:998) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:665) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1482) 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:963) 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:1342) 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:3446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:539) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-08 23:57:06,427 INFO L168 Benchmark]: Toolchain (without parser) took 278.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:57:06,428 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:57:06,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.81 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:57:06,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.81 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:57:07,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:57:07,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:57:07,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:57:07,457 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:57:07,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:57:07,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:57:07,459 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:57:07,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:57:07,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:57:07,460 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:57:07,460 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:57:07,461 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:57:07,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:57:07,462 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:57:07,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:57:07,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:57:07,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:57:07,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:57:07,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:57:07,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:57:07,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:57:07,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:57:07,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:57:07,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:57:07,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:57:07,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:57:07,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:57:07,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:57:07,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:57:07,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:57:07,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:57:07,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:57:07,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:57:07,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:57:07,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:57:07,471 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 23:57:07,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:57:07,478 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:57:07,479 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:57:07,479 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:57:07,479 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 23:57:07,479 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 23:57:07,479 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 23:57:07,479 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 23:57:07,479 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 23:57:07,479 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 23:57:07,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:57:07,480 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:57:07,481 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:57:07,481 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 23:57:07,481 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:57:07,482 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 23:57:07,482 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 23:57:07,482 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_1daa3c12-28c0-4412-9440-837696a2825c/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 -> 579faea91306b70f4f1704c1b6463ea271867143 [2018-12-08 23:57:07,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:57:07,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:57:07,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:57:07,509 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:57:07,510 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:57:07,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float_lib2_true-unreach-call.i [2018-12-08 23:57:07,545 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data/7367e7e88/d1e94ac6aaf045ef86c3210d5647a3dd/FLAG4c6e8877e [2018-12-08 23:57:07,960 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:57:07,960 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/sv-benchmarks/c/floats-cbmc-regression/float_lib2_true-unreach-call.i [2018-12-08 23:57:07,967 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data/7367e7e88/d1e94ac6aaf045ef86c3210d5647a3dd/FLAG4c6e8877e [2018-12-08 23:57:07,975 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/data/7367e7e88/d1e94ac6aaf045ef86c3210d5647a3dd [2018-12-08 23:57:07,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:57:07,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:57:07,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:57:07,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:57:07,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:57:07,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:57:07" (1/1) ... [2018-12-08 23:57:07,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469cfdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:07, skipping insertion in model container [2018-12-08 23:57:07,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:57:07" (1/1) ... [2018-12-08 23:57:07,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:57:08,006 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:57:08,278 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:57:08,282 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:57:08,307 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:57:08,440 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:57:08,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08 WrapperNode [2018-12-08 23:57:08,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:57:08,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:57:08,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:57:08,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:57:08,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:57:08,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:57:08,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:57:08,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:57:08,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... [2018-12-08 23:57:08,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:57:08,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:57:08,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:57:08,509 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:57:08,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/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 [2018-12-08 23:57:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 23:57:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 23:57:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:57:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:57:08,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 23:57:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 23:57:08,636 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:57:08,636 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 23:57:08,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:57:08 BoogieIcfgContainer [2018-12-08 23:57:08,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:57:08,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:57:08,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:57:08,639 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:57:08,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:57:07" (1/3) ... [2018-12-08 23:57:08,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cddf99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:57:08, skipping insertion in model container [2018-12-08 23:57:08,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:08" (2/3) ... [2018-12-08 23:57:08,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cddf99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:57:08, skipping insertion in model container [2018-12-08 23:57:08,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:57:08" (3/3) ... [2018-12-08 23:57:08,641 INFO L112 eAbstractionObserver]: Analyzing ICFG float_lib2_true-unreach-call.i [2018-12-08 23:57:08,647 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:57:08,651 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-12-08 23:57:08,660 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2018-12-08 23:57:08,677 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 23:57:08,677 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:57:08,677 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:57:08,677 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:57:08,677 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:57:08,677 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:57:08,678 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:57:08,678 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:57:08,678 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:57:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-12-08 23:57:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 23:57:08,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:57:08,690 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:57:08,692 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:57:08,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:57:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1524497085, now seen corresponding path program 1 times [2018-12-08 23:57:08,697 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 23:57:08,697 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/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 [2018-12-08 23:57:08,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:57:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:08,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:57:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:08,764 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 23:57:08,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:57:08,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 23:57:08,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 23:57:08,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 23:57:08,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 23:57:08,784 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2018-12-08 23:57:08,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:57:08,822 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2018-12-08 23:57:08,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 23:57:08,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-08 23:57:08,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:57:08,829 INFO L225 Difference]: With dead ends: 46 [2018-12-08 23:57:08,829 INFO L226 Difference]: Without dead ends: 15 [2018-12-08 23:57:08,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 23:57:08,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-12-08 23:57:08,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-12-08 23:57:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-12-08 23:57:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2018-12-08 23:57:08,850 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2018-12-08 23:57:08,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:57:08,850 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2018-12-08 23:57:08,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 23:57:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-12-08 23:57:08,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 23:57:08,851 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:57:08,851 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:57:08,851 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:57:08,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:57:08,851 INFO L82 PathProgramCache]: Analyzing trace with hash -526151652, now seen corresponding path program 1 times [2018-12-08 23:57:08,851 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 23:57:08,852 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/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 [2018-12-08 23:57:08,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:57:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:08,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:57:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:08,953 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 23:57:08,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:57:08,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 23:57:08,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 23:57:08,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 23:57:08,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 23:57:08,964 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2018-12-08 23:57:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:57:08,998 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2018-12-08 23:57:08,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 23:57:08,998 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-12-08 23:57:08,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:57:08,998 INFO L225 Difference]: With dead ends: 15 [2018-12-08 23:57:08,998 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 23:57:08,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 23:57:08,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 23:57:08,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 23:57:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 23:57:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 23:57:09,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-12-08 23:57:09,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:57:09,000 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 23:57:09,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 23:57:09,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 23:57:09,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 23:57:09,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 23:57:09,033 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-08 23:57:09,033 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 23:57:09,033 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 23:57:09,033 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 23:57:09,034 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 362 374) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point L370-2(line 370) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point L366-2(lines 363 374) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 367) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 365) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2018-12-08 23:57:09,034 INFO L448 ceAbstractionStarter]: For program point L367-2(lines 363 374) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 369) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 368) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L372-3(line 372) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L368-2(lines 363 374) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 362 374) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 362 374) the Hoare annotation is: true [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 366) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L369-2(lines 363 374) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2018-12-08 23:57:09,035 INFO L448 ceAbstractionStarter]: For program point L365-3(lines 363 374) no Hoare annotation was computed. [2018-12-08 23:57:09,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:57:09 BoogieIcfgContainer [2018-12-08 23:57:09,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:57:09,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:57:09,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:57:09,038 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:57:09,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:57:08" (3/4) ... [2018-12-08 23:57:09,041 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 23:57:09,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 23:57:09,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 23:57:09,048 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 23:57:09,048 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 23:57:09,048 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 23:57:09,073 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1daa3c12-28c0-4412-9440-837696a2825c/bin-2019/utaipan/witness.graphml [2018-12-08 23:57:09,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:57:09,074 INFO L168 Benchmark]: Toolchain (without parser) took 1096.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -107.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:57:09,075 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:57:09,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.57 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 832.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:57:09,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 832.0 MB in the beginning and 1.1 GB in the end (delta: -296.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-08 23:57:09,075 INFO L168 Benchmark]: Boogie Preprocessor took 13.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:57:09,075 INFO L168 Benchmark]: RCFGBuilder took 128.30 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-12-08 23:57:09,076 INFO L168 Benchmark]: TraceAbstraction took 400.44 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: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:57:09,076 INFO L168 Benchmark]: Witness Printer took 35.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:57:09,077 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 462.57 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 832.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 832.0 MB in the beginning and 1.1 GB in the end (delta: -296.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 128.30 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 400.44 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: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 369]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 367]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 365]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 368]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 366]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 32 locations, 7 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 13 SDslu, 15 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 619 SizeOfPredicates, 2 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...