./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8_true-unreach-call.i --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_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/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 89d4ebbdb94875553cd06d49914ce211c6614dad ................................................................................................................................................................................ 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_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/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 89d4ebbdb94875553cd06d49914ce211c6614dad ............................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:12:04,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:12:04,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:12:04,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:12:04,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:12:04,829 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:12:04,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:12:04,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:12:04,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:12:04,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:12:04,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:12:04,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:12:04,833 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:12:04,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:12:04,834 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:12:04,835 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:12:04,835 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:12:04,836 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:12:04,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:12:04,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:12:04,839 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:12:04,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:12:04,841 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:12:04,841 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:12:04,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:12:04,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:12:04,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:12:04,843 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:12:04,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:12:04,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:12:04,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:12:04,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:12:04,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:12:04,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:12:04,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:12:04,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:12:04,846 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:12:04,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:12:04,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:12:04,854 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:12:04,854 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:12:04,854 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:12:04,855 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:12:04,855 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:12:04,855 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:12:04,855 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:12:04,855 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:12:04,855 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:12:04,855 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:12:04,856 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:12:04,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:12:04,856 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:12:04,856 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:12:04,856 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:12:04,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:12:04,857 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:12:04,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:12:04,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:12:04,857 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:12:04,857 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:12:04,857 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:12:04,857 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:12:04,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:12:04,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:12:04,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:12:04,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:12:04,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:12:04,858 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:12:04,858 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:12:04,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:12:04,859 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:12:04,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:12:04,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:12:04,859 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:12:04,859 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_8465fe91-7f70-4653-a65a-b6e2f6d38a61/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 -> 89d4ebbdb94875553cd06d49914ce211c6614dad [2018-11-23 12:12:04,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:12:04,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:12:04,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:12:04,896 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:12:04,896 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:12:04,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8_true-unreach-call.i [2018-11-23 12:12:04,937 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data/16783bfab/6473232e50354ec5b1ae39ac6ff12f01/FLAG3ce4ae1d9 [2018-11-23 12:12:05,298 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:12:05,299 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8_true-unreach-call.i [2018-11-23 12:12:05,307 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data/16783bfab/6473232e50354ec5b1ae39ac6ff12f01/FLAG3ce4ae1d9 [2018-11-23 12:12:05,316 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data/16783bfab/6473232e50354ec5b1ae39ac6ff12f01 [2018-11-23 12:12:05,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:12:05,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:12:05,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:12:05,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:12:05,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:12:05,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:12:05" (1/1) ... [2018-11-23 12:12:05,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f243bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:05, skipping insertion in model container [2018-11-23 12:12:05,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:12:05" (1/1) ... [2018-11-23 12:12:05,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:12:05,360 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:12:05,654 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: signbit at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1326) 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.visit(CHandler.java:997) 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:2281) 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:664) 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: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:2281) 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:2281) 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:1472) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 12:12:05,657 INFO L168 Benchmark]: Toolchain (without parser) took 338.71 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 943.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:12:05,659 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:12:05,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.00 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 943.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:12:05,661 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.00 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 943.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 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: signbit de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: signbit: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 12:12:06,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:12:06,828 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:12:06,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:12:06,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:12:06,838 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:12:06,839 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:12:06,840 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:12:06,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:12:06,842 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:12:06,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:12:06,843 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:12:06,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:12:06,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:12:06,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:12:06,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:12:06,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:12:06,847 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:12:06,848 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:12:06,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:12:06,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:12:06,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:12:06,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:12:06,853 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:12:06,853 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:12:06,854 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:12:06,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:12:06,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:12:06,855 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:12:06,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:12:06,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:12:06,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:12:06,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:12:06,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:12:06,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:12:06,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:12:06,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 12:12:06,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:12:06,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:12:06,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:12:06,870 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:12:06,870 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:12:06,870 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:12:06,870 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:12:06,870 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:12:06,870 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:12:06,871 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:12:06,871 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:12:06,871 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:12:06,871 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:12:06,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:12:06,872 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:12:06,872 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:12:06,872 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:12:06,872 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 12:12:06,872 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 12:12:06,872 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:12:06,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:12:06,873 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:12:06,873 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:12:06,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:12:06,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:12:06,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:12:06,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:12:06,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:12:06,874 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:12:06,874 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:12:06,874 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:12:06,874 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 12:12:06,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:12:06,874 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 12:12:06,874 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 12:12:06,874 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_8465fe91-7f70-4653-a65a-b6e2f6d38a61/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 -> 89d4ebbdb94875553cd06d49914ce211c6614dad [2018-11-23 12:12:06,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:12:06,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:12:06,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:12:06,917 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:12:06,917 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:12:06,918 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8_true-unreach-call.i [2018-11-23 12:12:06,960 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data/4cda48875/8c87e4f3fc654bdc97cb1a176690c590/FLAG5605e1730 [2018-11-23 12:12:07,405 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:12:07,405 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8_true-unreach-call.i [2018-11-23 12:12:07,414 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data/4cda48875/8c87e4f3fc654bdc97cb1a176690c590/FLAG5605e1730 [2018-11-23 12:12:07,423 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/data/4cda48875/8c87e4f3fc654bdc97cb1a176690c590 [2018-11-23 12:12:07,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:12:07,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:12:07,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:12:07,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:12:07,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:12:07,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:12:07" (1/1) ... [2018-11-23 12:12:07,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ec2747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:07, skipping insertion in model container [2018-11-23 12:12:07,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:12:07" (1/1) ... [2018-11-23 12:12:07,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:12:07,474 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:12:07,856 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:12:07,860 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:12:07,884 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:12:08,072 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:12:08,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08 WrapperNode [2018-11-23 12:12:08,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:12:08,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:12:08,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:12:08,073 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:12:08,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:12:08,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:12:08,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:12:08,141 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:12:08,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... [2018-11-23 12:12:08,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:12:08,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:12:08,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:12:08,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:12:08,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/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 [2018-11-23 12:12:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:12:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:12:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:12:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:12:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:12:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:12:08,271 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:12:08,272 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:12:08,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:12:08 BoogieIcfgContainer [2018-11-23 12:12:08,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:12:08,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:12:08,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:12:08,275 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:12:08,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:12:07" (1/3) ... [2018-11-23 12:12:08,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d85e367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:12:08, skipping insertion in model container [2018-11-23 12:12:08,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:12:08" (2/3) ... [2018-11-23 12:12:08,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d85e367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:12:08, skipping insertion in model container [2018-11-23 12:12:08,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:12:08" (3/3) ... [2018-11-23 12:12:08,278 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp8_true-unreach-call.i [2018-11-23 12:12:08,285 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:12:08,289 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:12:08,297 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:12:08,314 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:12:08,314 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:12:08,314 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:12:08,314 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:12:08,315 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:12:08,315 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:12:08,315 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:12:08,315 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:12:08,315 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:12:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-23 12:12:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:12:08,329 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:12:08,330 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:12:08,331 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:12:08,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:12:08,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-23 12:12:08,337 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 12:12:08,337 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/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 [2018-11-23 12:12:08,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:12:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:12:08,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:12:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:12:08,433 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 12:12:08,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:12:08,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:12:08,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:12:08,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:12:08,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:12:08,458 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2018-11-23 12:12:08,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:12:08,472 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-23 12:12:08,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:12:08,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 12:12:08,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:12:08,478 INFO L225 Difference]: With dead ends: 18 [2018-11-23 12:12:08,478 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:12:08,480 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 [2018-11-23 12:12:08,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:12:08,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:12:08,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:12:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:12:08,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-11-23 12:12:08,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:12:08,495 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:12:08,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:12:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:12:08,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:12:08,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:12:08,529 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 12:12:08,529 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:12:08,529 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:12:08,529 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:12:08,529 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:12:08,529 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:12:08,530 INFO L448 ceAbstractionStarter]: For program point L958(line 958) no Hoare annotation was computed. [2018-11-23 12:12:08,530 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 951 961) the Hoare annotation is: true [2018-11-23 12:12:08,530 INFO L448 ceAbstractionStarter]: For program point L958-1(line 958) no Hoare annotation was computed. [2018-11-23 12:12:08,530 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 951 961) no Hoare annotation was computed. [2018-11-23 12:12:08,530 INFO L448 ceAbstractionStarter]: For program point L958-3(line 958) no Hoare annotation was computed. [2018-11-23 12:12:08,530 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 951 961) no Hoare annotation was computed. [2018-11-23 12:12:08,530 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2018-11-23 12:12:08,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:12:08 BoogieIcfgContainer [2018-11-23 12:12:08,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:12:08,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:12:08,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:12:08,533 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:12:08,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:12:08" (3/4) ... [2018-11-23 12:12:08,536 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:12:08,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:12:08,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:12:08,546 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 12:12:08,546 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:12:08,546 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:12:08,572 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8465fe91-7f70-4653-a65a-b6e2f6d38a61/bin-2019/utaipan/witness.graphml [2018-11-23 12:12:08,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:12:08,573 INFO L168 Benchmark]: Toolchain (without parser) took 1147.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:12:08,574 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. [2018-11-23 12:12:08,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.90 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 837.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:12:08,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 837.0 MB in the beginning and 1.1 GB in the end (delta: -293.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:12:08,575 INFO L168 Benchmark]: Boogie Preprocessor took 15.19 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. [2018-11-23 12:12:08,575 INFO L168 Benchmark]: RCFGBuilder took 115.79 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:12:08,575 INFO L168 Benchmark]: TraceAbstraction took 259.95 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:12:08,576 INFO L168 Benchmark]: Witness Printer took 39.35 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:12:08,578 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 645.90 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 837.0 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 68.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 837.0 MB in the beginning and 1.1 GB in the end (delta: -293.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.19 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 115.79 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 259.95 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Witness Printer took 39.35 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 958]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 3 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 1 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, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 4 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...