./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmax_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/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 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac ................................................................................................................................................................................. 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_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/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 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 02:28:10,927 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 02:28:10,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 02:28:10,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 02:28:10,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 02:28:10,937 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 02:28:10,938 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 02:28:10,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 02:28:10,940 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 02:28:10,941 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 02:28:10,942 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 02:28:10,942 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 02:28:10,943 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 02:28:10,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 02:28:10,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 02:28:10,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 02:28:10,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 02:28:10,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 02:28:10,948 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 02:28:10,949 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 02:28:10,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 02:28:10,951 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 02:28:10,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 02:28:10,953 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 02:28:10,953 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 02:28:10,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 02:28:10,954 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 02:28:10,955 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 02:28:10,955 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 02:28:10,956 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 02:28:10,956 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 02:28:10,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 02:28:10,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 02:28:10,957 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 02:28:10,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 02:28:10,958 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 02:28:10,958 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 02:28:10,968 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 02:28:10,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 02:28:10,969 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 02:28:10,969 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 02:28:10,969 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 02:28:10,970 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 02:28:10,970 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 02:28:10,970 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 02:28:10,970 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 02:28:10,970 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 02:28:10,970 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 02:28:10,970 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 02:28:10,970 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 02:28:10,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 02:28:10,971 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 02:28:10,971 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 02:28:10,971 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 02:28:10,971 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 02:28:10,971 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 02:28:10,972 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 02:28:10,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:28:10,973 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 02:28:10,973 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 02:28:10,973 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 02:28:10,973 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 02:28:10,973 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 02:28:10,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 02:28:10,973 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 02:28:10,973 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_67e498df-27f7-4283-8312-63d3b8e59541/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 -> 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac [2018-12-09 02:28:10,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 02:28:11,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 02:28:11,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 02:28:11,008 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 02:28:11,008 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 02:28:11,009 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fmax_true-unreach-call.i [2018-12-09 02:28:11,047 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data/6880b3a62/5d339a7f27e04f14b32ac1d7b9c48881/FLAGb9a2689e0 [2018-12-09 02:28:11,499 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 02:28:11,500 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/sv-benchmarks/c/floats-esbmc-regression/fmax_true-unreach-call.i [2018-12-09 02:28:11,508 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data/6880b3a62/5d339a7f27e04f14b32ac1d7b9c48881/FLAGb9a2689e0 [2018-12-09 02:28:11,518 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data/6880b3a62/5d339a7f27e04f14b32ac1d7b9c48881 [2018-12-09 02:28:11,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 02:28:11,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 02:28:11,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 02:28:11,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 02:28:11,523 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 02:28:11,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:28:11" (1/1) ... [2018-12-09 02:28:11,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d0afdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:11, skipping insertion in model container [2018-12-09 02:28:11,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:28:11" (1/1) ... [2018-12-09 02:28:11,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 02:28:11,557 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 02:28:11,785 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: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:852) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1327) 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:1271) 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:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 02:28:11,787 INFO L168 Benchmark]: Toolchain (without parser) took 267.82 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-12-09 02:28:11,789 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:28:11,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.49 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-12-09 02:28:11,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 266.49 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 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: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:852) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 02:28:12,866 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 02:28:12,867 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 02:28:12,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 02:28:12,874 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 02:28:12,875 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 02:28:12,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 02:28:12,877 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 02:28:12,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 02:28:12,878 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 02:28:12,879 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 02:28:12,879 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 02:28:12,880 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 02:28:12,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 02:28:12,881 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 02:28:12,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 02:28:12,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 02:28:12,883 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 02:28:12,885 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 02:28:12,886 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 02:28:12,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 02:28:12,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 02:28:12,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 02:28:12,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 02:28:12,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 02:28:12,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 02:28:12,890 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 02:28:12,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 02:28:12,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 02:28:12,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 02:28:12,892 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 02:28:12,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 02:28:12,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 02:28:12,893 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 02:28:12,894 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 02:28:12,894 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 02:28:12,894 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 02:28:12,905 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 02:28:12,905 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 02:28:12,905 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 02:28:12,906 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 02:28:12,906 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 02:28:12,906 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 02:28:12,906 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 02:28:12,906 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 02:28:12,906 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 02:28:12,906 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 02:28:12,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 02:28:12,907 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 02:28:12,907 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 02:28:12,907 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 02:28:12,907 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 02:28:12,907 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 02:28:12,907 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 02:28:12,907 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 02:28:12,908 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 02:28:12,908 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 02:28:12,908 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 02:28:12,908 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 02:28:12,908 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 02:28:12,908 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 02:28:12,908 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 02:28:12,908 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 02:28:12,908 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 02:28:12,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:28:12,909 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 02:28:12,909 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 02:28:12,909 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 02:28:12,909 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 02:28:12,909 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 02:28:12,909 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 02:28:12,909 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 02:28:12,909 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_67e498df-27f7-4283-8312-63d3b8e59541/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 -> 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac [2018-12-09 02:28:12,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 02:28:12,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 02:28:12,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 02:28:12,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 02:28:12,946 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 02:28:12,947 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fmax_true-unreach-call.i [2018-12-09 02:28:12,992 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data/fc2b9308e/a67d3d4b2b744c07ba63a22cd51f0569/FLAG0785bd182 [2018-12-09 02:28:13,418 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 02:28:13,418 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/sv-benchmarks/c/floats-esbmc-regression/fmax_true-unreach-call.i [2018-12-09 02:28:13,424 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data/fc2b9308e/a67d3d4b2b744c07ba63a22cd51f0569/FLAG0785bd182 [2018-12-09 02:28:13,433 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/data/fc2b9308e/a67d3d4b2b744c07ba63a22cd51f0569 [2018-12-09 02:28:13,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 02:28:13,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 02:28:13,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 02:28:13,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 02:28:13,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 02:28:13,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592f353b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13, skipping insertion in model container [2018-12-09 02:28:13,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 02:28:13,466 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 02:28:13,725 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:28:13,728 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 02:28:13,748 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:28:13,886 INFO L195 MainTranslator]: Completed translation [2018-12-09 02:28:13,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13 WrapperNode [2018-12-09 02:28:13,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 02:28:13,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 02:28:13,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 02:28:13,887 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 02:28:13,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 02:28:13,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 02:28:13,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 02:28:13,940 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 02:28:13,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... [2018-12-09 02:28:13,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 02:28:13,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 02:28:13,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 02:28:13,953 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 02:28:13,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:28:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 02:28:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 02:28:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 02:28:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 02:28:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 02:28:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 02:28:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 02:28:13,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 02:28:14,054 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 02:28:14,054 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 02:28:14,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:28:14 BoogieIcfgContainer [2018-12-09 02:28:14,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 02:28:14,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 02:28:14,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 02:28:14,057 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 02:28:14,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:28:13" (1/3) ... [2018-12-09 02:28:14,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a396cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:28:14, skipping insertion in model container [2018-12-09 02:28:14,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:28:13" (2/3) ... [2018-12-09 02:28:14,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a396cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:28:14, skipping insertion in model container [2018-12-09 02:28:14,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:28:14" (3/3) ... [2018-12-09 02:28:14,059 INFO L112 eAbstractionObserver]: Analyzing ICFG fmax_true-unreach-call.i [2018-12-09 02:28:14,065 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 02:28:14,069 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 02:28:14,077 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 02:28:14,093 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 02:28:14,094 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 02:28:14,094 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 02:28:14,094 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 02:28:14,094 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 02:28:14,094 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 02:28:14,094 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 02:28:14,095 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 02:28:14,095 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 02:28:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-12-09 02:28:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 02:28:14,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:28:14,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:28:14,109 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:28:14,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:28:14,113 INFO L82 PathProgramCache]: Analyzing trace with hash -688732479, now seen corresponding path program 1 times [2018-12-09 02:28:14,115 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 02:28:14,115 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 02:28:14,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:28:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:28:14,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:28:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:28:14,182 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 02:28:14,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:28:14,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 02:28:14,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 02:28:14,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 02:28:14,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 02:28:14,204 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 4 states. [2018-12-09 02:28:14,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:28:14,248 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2018-12-09 02:28:14,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 02:28:14,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-12-09 02:28:14,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:28:14,253 INFO L225 Difference]: With dead ends: 29 [2018-12-09 02:28:14,253 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 02:28:14,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 02:28:14,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 02:28:14,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 02:28:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 02:28:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 02:28:14,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-12-09 02:28:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:28:14,270 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 02:28:14,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 02:28:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 02:28:14,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 02:28:14,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 02:28:14,310 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 02:28:14,310 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 02:28:14,310 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 02:28:14,310 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 02:28:14,310 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 02:28:14,311 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 02:28:14,311 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 869 875) the Hoare annotation is: true [2018-12-09 02:28:14,311 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 869 875) no Hoare annotation was computed. [2018-12-09 02:28:14,311 INFO L451 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: true [2018-12-09 02:28:14,311 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 869 875) no Hoare annotation was computed. [2018-12-09 02:28:14,311 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-12-09 02:28:14,311 INFO L451 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2018-12-09 02:28:14,311 INFO L448 ceAbstractionStarter]: For program point L867-3(line 867) no Hoare annotation was computed. [2018-12-09 02:28:14,311 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 867) the Hoare annotation is: true [2018-12-09 02:28:14,311 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 867) no Hoare annotation was computed. [2018-12-09 02:28:14,311 INFO L448 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-12-09 02:28:14,311 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-12-09 02:28:14,312 INFO L448 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2018-12-09 02:28:14,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:28:14 BoogieIcfgContainer [2018-12-09 02:28:14,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 02:28:14,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 02:28:14,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 02:28:14,313 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 02:28:14,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:28:14" (3/4) ... [2018-12-09 02:28:14,316 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 02:28:14,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 02:28:14,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 02:28:14,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 02:28:14,322 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 02:28:14,322 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 02:28:14,322 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 02:28:14,345 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_67e498df-27f7-4283-8312-63d3b8e59541/bin-2019/utaipan/witness.graphml [2018-12-09 02:28:14,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 02:28:14,346 INFO L168 Benchmark]: Toolchain (without parser) took 911.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -115.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:28:14,347 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:28:14,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.47 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 832.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-12-09 02:28:14,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 832.0 MB in the beginning and 1.1 GB in the end (delta: -281.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 02:28:14,348 INFO L168 Benchmark]: Boogie Preprocessor took 12.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:28:14,348 INFO L168 Benchmark]: RCFGBuilder took 101.93 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: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-09 02:28:14,349 INFO L168 Benchmark]: TraceAbstraction took 258.25 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 02:28:14,349 INFO L168 Benchmark]: Witness Printer took 32.41 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: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-12-09 02:28:14,351 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 450.47 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 832.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 832.0 MB in the beginning and 1.1 GB in the end (delta: -281.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 101.93 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: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 258.25 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 32.41 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: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: 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 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 18 SDs, 0 SdLazy, 14 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 8 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 8 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 2 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 3 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...