./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float8_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_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b40554704e1a1d546b5e4595d3df0dfa2abf21e3 ............................................................................................................................................................................ 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_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b40554704e1a1d546b5e4595d3df0dfa2abf21e3 ............................................................................................................................................................................................................................................................................... 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 13:23:19,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:23:19,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:23:19,177 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:23:19,177 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:23:19,178 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:23:19,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:23:19,180 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:23:19,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:23:19,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:23:19,182 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:23:19,182 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:23:19,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:23:19,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:23:19,184 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:23:19,184 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:23:19,185 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:23:19,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:23:19,187 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:23:19,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:23:19,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:23:19,189 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:23:19,191 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:23:19,191 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:23:19,191 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:23:19,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:23:19,192 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:23:19,193 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:23:19,193 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:23:19,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:23:19,194 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:23:19,194 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:23:19,195 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:23:19,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:23:19,195 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:23:19,196 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:23:19,196 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 13:23:19,206 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:23:19,206 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:23:19,206 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:23:19,207 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:23:19,207 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:23:19,207 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:23:19,207 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 13:23:19,208 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:23:19,208 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:23:19,208 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:23:19,208 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:23:19,208 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:23:19,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:23:19,209 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:23:19,209 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:23:19,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:23:19,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:23:19,209 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:23:19,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:23:19,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:23:19,210 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:23:19,210 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:23:19,210 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:23:19,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:23:19,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:23:19,210 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:23:19,211 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:23:19,211 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 13:23:19,211 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:23:19,211 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:23:19,211 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_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer 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 -> Automizer 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 -> b40554704e1a1d546b5e4595d3df0dfa2abf21e3 [2018-12-09 13:23:19,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:23:19,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:23:19,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:23:19,245 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:23:19,245 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:23:19,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i [2018-12-09 13:23:19,280 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data/e8b644795/18ccd436f89e45dab2b12ca42c2a6cad/FLAG1caaa330e [2018-12-09 13:23:19,674 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:23:19,675 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i [2018-12-09 13:23:19,683 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data/e8b644795/18ccd436f89e45dab2b12ca42c2a6cad/FLAG1caaa330e [2018-12-09 13:23:19,692 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data/e8b644795/18ccd436f89e45dab2b12ca42c2a6cad [2018-12-09 13:23:19,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:23:19,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:23:19,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:23:19,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:23:19,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:23:19,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:23:19" (1/1) ... [2018-12-09 13:23:19,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7712cd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:19, skipping insertion in model container [2018-12-09 13:23:19,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:23:19" (1/1) ... [2018-12-09 13:23:19,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:23:19,724 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:23:19,994 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: finite at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1668) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:998) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1640) 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: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 13:23:19,996 INFO L168 Benchmark]: Toolchain (without parser) took 302.04 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 936.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:19,997 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:23:19,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.59 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 936.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:19,998 INFO L336 ainManager$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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.59 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 936.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: finite de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: finite: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:23:21,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:23:21,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:23:21,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:23:21,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:23:21,071 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:23:21,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:23:21,073 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:23:21,073 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:23:21,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:23:21,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:23:21,074 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:23:21,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:23:21,075 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:23:21,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:23:21,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:23:21,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:23:21,077 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:23:21,078 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:23:21,079 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:23:21,079 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:23:21,080 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:23:21,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:23:21,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:23:21,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:23:21,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:23:21,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:23:21,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:23:21,083 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:23:21,083 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:23:21,083 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:23:21,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:23:21,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:23:21,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:23:21,084 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:23:21,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:23:21,085 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 13:23:21,092 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:23:21,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:23:21,093 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:23:21,093 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:23:21,093 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:23:21,093 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:23:21,093 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 13:23:21,093 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:23:21,094 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:23:21,095 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:23:21,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:23:21,095 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:23:21,095 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:23:21,095 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:23:21,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:23:21,095 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:23:21,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:23:21,095 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:23:21,095 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 13:23:21,096 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:23:21,096 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 13:23:21,096 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 13:23:21,096 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_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer 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 -> Automizer 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 -> b40554704e1a1d546b5e4595d3df0dfa2abf21e3 [2018-12-09 13:23:21,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:23:21,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:23:21,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:23:21,123 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:23:21,124 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:23:21,124 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i [2018-12-09 13:23:21,159 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data/36580316d/604e6d22891e4d33a23a522b2749316c/FLAG906669677 [2018-12-09 13:23:21,675 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:23:21,676 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/sv-benchmarks/c/floats-cbmc-regression/float8_true-unreach-call.i [2018-12-09 13:23:21,684 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data/36580316d/604e6d22891e4d33a23a522b2749316c/FLAG906669677 [2018-12-09 13:23:22,194 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/data/36580316d/604e6d22891e4d33a23a522b2749316c [2018-12-09 13:23:22,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:23:22,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:23:22,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:23:22,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:23:22,202 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:23:22,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c0fa66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22, skipping insertion in model container [2018-12-09 13:23:22,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:23:22,238 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:23:22,506 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:23:22,509 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:23:22,532 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:23:22,690 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:23:22,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22 WrapperNode [2018-12-09 13:23:22,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:23:22,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:23:22,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:23:22,691 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:23:22,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:23:22,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:23:22,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:23:22,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:23:22,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... [2018-12-09 13:23:22,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:23:22,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:23:22,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:23:22,766 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:23:22,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/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 13:23:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:23:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:23:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:23:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:23:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:23:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:23:22,875 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:23:22,875 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 13:23:22,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:23:22 BoogieIcfgContainer [2018-12-09 13:23:22,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:23:22,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:23:22,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:23:22,878 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:23:22,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:23:22" (1/3) ... [2018-12-09 13:23:22,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e0210e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:23:22, skipping insertion in model container [2018-12-09 13:23:22,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:22" (2/3) ... [2018-12-09 13:23:22,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e0210e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:23:22, skipping insertion in model container [2018-12-09 13:23:22,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:23:22" (3/3) ... [2018-12-09 13:23:22,880 INFO L112 eAbstractionObserver]: Analyzing ICFG float8_true-unreach-call.i [2018-12-09 13:23:22,885 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:23:22,889 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:23:22,900 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:23:22,916 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 13:23:22,916 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:23:22,916 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:23:22,917 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:23:22,917 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:23:22,917 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:23:22,917 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:23:22,917 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:23:22,917 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:23:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 13:23:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 13:23:22,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:23:22,933 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:23:22,935 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:23:22,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:23:22,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-12-09 13:23:22,940 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:23:22,940 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/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 13:23:22,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:23:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:23,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:23:23,552 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 13:23:23,553 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:23:23,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:23:23,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:23:23,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:23:23,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:23:23,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:23:23,572 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-12-09 13:23:23,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:23:23,585 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-09 13:23:23,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:23:23,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 13:23:23,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:23:23,591 INFO L225 Difference]: With dead ends: 16 [2018-12-09 13:23:23,591 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 13:23:23,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:23:23,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 13:23:23,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 13:23:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 13:23:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 13:23:23,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-12-09 13:23:23,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:23:23,608 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 13:23:23,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:23:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 13:23:23,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:23:23,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 13:23:23,638 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 13:23:23,638 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:23:23,638 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:23:23,638 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 13:23:23,639 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 13:23:23,639 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:23:23,639 INFO L448 ceAbstractionStarter]: For program point L959(line 959) no Hoare annotation was computed. [2018-12-09 13:23:23,639 INFO L448 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-12-09 13:23:23,639 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 952 960) the Hoare annotation is: true [2018-12-09 13:23:23,639 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-12-09 13:23:23,639 INFO L448 ceAbstractionStarter]: For program point L959-3(lines 952 960) no Hoare annotation was computed. [2018-12-09 13:23:23,639 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 952 960) no Hoare annotation was computed. [2018-12-09 13:23:23,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:23:23 BoogieIcfgContainer [2018-12-09 13:23:23,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:23:23,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:23:23,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:23:23,641 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:23:23,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:23:22" (3/4) ... [2018-12-09 13:23:23,645 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:23:23,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 13:23:23,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 13:23:23,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 13:23:23,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 13:23:23,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 13:23:23,679 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ead620a9-7809-4f28-a93d-551d9f95a535/bin-2019/uautomizer/witness.graphml [2018-12-09 13:23:23,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:23:23,680 INFO L168 Benchmark]: Toolchain (without parser) took 1483.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:23:23,681 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:23:23,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.93 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 830.6 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:23,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -288.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:23,682 INFO L168 Benchmark]: Boogie Preprocessor took 15.54 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 13:23:23,682 INFO L168 Benchmark]: RCFGBuilder took 109.85 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:23,682 INFO L168 Benchmark]: TraceAbstraction took 765.17 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:23,683 INFO L168 Benchmark]: Witness Printer took 38.44 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:23,684 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 491.93 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 830.6 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 59.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -288.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.54 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 109.85 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 765.17 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Witness Printer took 38.44 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 3 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 4 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...