./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmod3_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_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmod3_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/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 3fd061e9c84f5d35b925791d786c10b620355795 ......................................................................................................................................................................... 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_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmod3_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/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 3fd061e9c84f5d35b925791d786c10b620355795 ..................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: fp.rem (line: 50) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:00:12,842 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:00:12,843 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:00:12,850 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:00:12,850 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:00:12,851 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:00:12,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:00:12,852 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:00:12,853 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:00:12,854 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:00:12,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:00:12,854 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:00:12,855 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:00:12,856 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:00:12,857 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:00:12,857 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:00:12,858 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:00:12,859 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:00:12,860 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:00:12,861 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:00:12,862 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:00:12,863 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:00:12,864 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:00:12,864 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:00:12,864 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:00:12,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:00:12,865 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:00:12,866 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:00:12,866 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:00:12,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:00:12,867 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:00:12,867 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:00:12,867 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:00:12,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:00:12,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:00:12,868 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:00:12,868 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:00:12,876 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:00:12,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:00:12,877 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:00:12,877 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:00:12,877 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:00:12,877 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:00:12,877 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:00:12,877 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:00:12,877 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:00:12,877 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:00:12,878 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:00:12,878 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:00:12,878 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:00:12,878 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:00:12,878 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:00:12,878 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:00:12,879 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:00:12,880 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:00:12,880 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:00:12,880 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:00:12,880 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:00:12,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:00:12,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:00:12,880 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:00:12,881 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:00:12,881 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:00:12,881 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:00:12,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:00:12,881 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:00:12,881 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_2b632e05-b0b9-4614-86d6-1d79a2216a55/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 -> 3fd061e9c84f5d35b925791d786c10b620355795 [2018-11-23 06:00:12,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:00:12,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:00:12,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:00:12,920 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:00:12,920 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:00:12,921 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fmod3_true-unreach-call.i [2018-11-23 06:00:12,966 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data/430c58181/046ab89db29f4ac1a5929aa054e7be65/FLAG9bec0f0cf [2018-11-23 06:00:13,419 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:00:13,420 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/sv-benchmarks/c/floats-esbmc-regression/fmod3_true-unreach-call.i [2018-11-23 06:00:13,431 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data/430c58181/046ab89db29f4ac1a5929aa054e7be65/FLAG9bec0f0cf [2018-11-23 06:00:13,938 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data/430c58181/046ab89db29f4ac1a5929aa054e7be65 [2018-11-23 06:00:13,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:00:13,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:00:13,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:00:13,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:00:13,943 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:00:13,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:00:13" (1/1) ... [2018-11-23 06:00:13,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144c75ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:13, skipping insertion in model container [2018-11-23 06:00:13,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:00:13" (1/1) ... [2018-11-23 06:00:13,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:00:13,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:00:14,261 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: isnan 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: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.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1298) 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:1261) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 06:00:14,263 INFO L168 Benchmark]: Toolchain (without parser) took 323.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 940.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:14,265 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:00:14,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.60 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 940.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:14,267 INFO L336 ainManager$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 321.60 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 940.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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 06:00:15,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:00:15,507 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:00:15,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:00:15,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:00:15,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:00:15,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:00:15,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:00:15,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:00:15,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:00:15,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:00:15,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:00:15,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:00:15,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:00:15,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:00:15,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:00:15,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:00:15,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:00:15,526 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:00:15,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:00:15,528 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:00:15,529 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:00:15,530 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:00:15,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:00:15,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:00:15,531 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:00:15,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:00:15,533 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:00:15,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:00:15,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:00:15,534 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:00:15,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:00:15,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:00:15,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:00:15,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:00:15,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:00:15,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 06:00:15,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:00:15,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:00:15,548 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:00:15,548 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:00:15,548 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:00:15,548 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:00:15,549 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:00:15,549 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:00:15,549 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:00:15,549 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:00:15,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:00:15,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:00:15,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:00:15,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:00:15,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:00:15,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:00:15,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:00:15,550 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 06:00:15,551 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 06:00:15,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:00:15,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:00:15,551 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:00:15,551 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:00:15,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:00:15,551 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:00:15,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:00:15,552 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:00:15,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:00:15,552 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:00:15,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:00:15,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:00:15,552 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 06:00:15,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:00:15,553 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 06:00:15,553 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 06:00:15,553 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_2b632e05-b0b9-4614-86d6-1d79a2216a55/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 -> 3fd061e9c84f5d35b925791d786c10b620355795 [2018-11-23 06:00:15,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:00:15,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:00:15,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:00:15,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:00:15,593 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:00:15,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fmod3_true-unreach-call.i [2018-11-23 06:00:15,629 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data/c2dfc8c4d/cfef235830c24940a84274c2847a096b/FLAG599f9cba4 [2018-11-23 06:00:16,082 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:00:16,083 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/sv-benchmarks/c/floats-esbmc-regression/fmod3_true-unreach-call.i [2018-11-23 06:00:16,092 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data/c2dfc8c4d/cfef235830c24940a84274c2847a096b/FLAG599f9cba4 [2018-11-23 06:00:16,102 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/bin-2019/utaipan/data/c2dfc8c4d/cfef235830c24940a84274c2847a096b [2018-11-23 06:00:16,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:00:16,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:00:16,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:00:16,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:00:16,109 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:00:16,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2df8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16, skipping insertion in model container [2018-11-23 06:00:16,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:00:16,153 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:00:16,547 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:00:16,551 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:00:16,583 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:00:16,777 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:00:16,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16 WrapperNode [2018-11-23 06:00:16,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:00:16,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:00:16,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:00:16,779 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:00:16,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:00:16,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:00:16,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:00:16,849 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:00:16,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... [2018-11-23 06:00:16,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:00:16,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:00:16,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:00:16,867 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:00:16,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/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 06:00:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 06:00:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 06:00:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:00:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:00:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:00:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:00:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:00:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:00:17,013 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:00:17,013 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 06:00:17,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:00:17 BoogieIcfgContainer [2018-11-23 06:00:17,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:00:17,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:00:17,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:00:17,016 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:00:17,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:00:16" (1/3) ... [2018-11-23 06:00:17,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36733807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:00:17, skipping insertion in model container [2018-11-23 06:00:17,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:00:16" (2/3) ... [2018-11-23 06:00:17,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36733807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:00:17, skipping insertion in model container [2018-11-23 06:00:17,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:00:17" (3/3) ... [2018-11-23 06:00:17,018 INFO L112 eAbstractionObserver]: Analyzing ICFG fmod3_true-unreach-call.i [2018-11-23 06:00:17,025 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:00:17,029 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:00:17,038 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:00:17,058 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:00:17,059 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:00:17,059 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:00:17,059 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:00:17,059 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:00:17,059 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:00:17,059 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:00:17,060 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:00:17,060 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:00:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 06:00:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 06:00:17,074 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:00:17,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:00:17,076 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:00:17,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:00:17,079 INFO L82 PathProgramCache]: Analyzing trace with hash -785187702, now seen corresponding path program 1 times [2018-11-23 06:00:17,082 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 06:00:17,082 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b632e05-b0b9-4614-86d6-1d79a2216a55/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 06:00:17,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:00:17,316 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2018-11-23 06:00:17,317 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: fp.rem (line: 50) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: fp.rem (line: 50) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.assertTerm(ManagedScript.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:214) ... 26 more [2018-11-23 06:00:17,320 INFO L168 Benchmark]: Toolchain (without parser) took 1215.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -122.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:00:17,321 INFO L168 Benchmark]: CDTParser took 0.11 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 06:00:17,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.20 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 831.6 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:17,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 831.6 MB in the beginning and 1.1 GB in the end (delta: -269.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:17,322 INFO L168 Benchmark]: Boogie Preprocessor took 17.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:17,323 INFO L168 Benchmark]: RCFGBuilder took 146.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:17,323 INFO L168 Benchmark]: TraceAbstraction took 305.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:17,327 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 672.20 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 831.6 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 831.6 MB in the beginning and 1.1 GB in the end (delta: -269.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 146.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 305.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: fp.rem (line: 50) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: fp.rem (line: 50): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:239) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...