./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/nan_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_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nan_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/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 567b7fa1f847760293934d0162ff45c1e81b7a4f .................................................................................................................................................................... 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_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nan_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/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 567b7fa1f847760293934d0162ff45c1e81b7a4f ............................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 14:55:03,350 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:55:03,351 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:55:03,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:55:03,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:55:03,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:55:03,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:55:03,361 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:55:03,362 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:55:03,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:55:03,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:55:03,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:55:03,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:55:03,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:55:03,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:55:03,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:55:03,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:55:03,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:55:03,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:55:03,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:55:03,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:55:03,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:55:03,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:55:03,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:55:03,373 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:55:03,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:55:03,374 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:55:03,375 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:55:03,375 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:55:03,376 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:55:03,376 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:55:03,377 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:55:03,377 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:55:03,377 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:55:03,378 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:55:03,378 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:55:03,378 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 14:55:03,388 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:55:03,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:55:03,389 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:55:03,389 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 14:55:03,389 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:55:03,390 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:55:03,390 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 14:55:03,390 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:55:03,390 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:55:03,390 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:55:03,390 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:55:03,390 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:55:03,390 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:55:03,390 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:55:03,391 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:55:03,391 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:55:03,391 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:55:03,391 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:55:03,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:55:03,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:55:03,391 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 14:55:03,391 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:55:03,392 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 14:55:03,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 14:55:03,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:55:03,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:55:03,392 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:55:03,392 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 14:55:03,392 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:55:03,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 14:55:03,392 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_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/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 -> 567b7fa1f847760293934d0162ff45c1e81b7a4f [2018-12-01 14:55:03,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:55:03,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:55:03,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:55:03,424 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:55:03,424 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:55:03,424 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/nan_true-unreach-call.i [2018-12-01 14:55:03,458 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data/5ff522017/8b068d4f3fa540bfa83ce6ec01e4a32b/FLAG96265874f [2018-12-01 14:55:03,900 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:55:03,901 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/sv-benchmarks/c/floats-esbmc-regression/nan_true-unreach-call.i [2018-12-01 14:55:03,907 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data/5ff522017/8b068d4f3fa540bfa83ce6ec01e4a32b/FLAG96265874f [2018-12-01 14:55:03,916 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data/5ff522017/8b068d4f3fa540bfa83ce6ec01e4a32b [2018-12-01 14:55:03,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:55:03,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:55:03,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:55:03,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:55:03,922 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:55:03,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:55:03" (1/1) ... [2018-12-01 14:55:03,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654f7cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03, skipping insertion in model container [2018-12-01 14:55:03,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:55:03" (1/1) ... [2018-12-01 14:55:03,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:55:03,950 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:55:04,196 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1660) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$32(StandardFunctionHandler.java:312) 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:1259) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2867) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2726) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1998) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1014) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) 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) [2018-12-01 14:55:04,199 INFO L168 Benchmark]: Toolchain (without parser) took 280.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 938.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:55:04,200 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-01 14:55:04,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.67 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 938.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:55:04,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 278.67 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 938.3 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: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:834) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 14:55:05,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:55:05,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:55:05,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:55:05,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:55:05,208 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:55:05,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:55:05,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:55:05,211 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:55:05,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:55:05,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:55:05,212 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:55:05,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:55:05,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:55:05,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:55:05,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:55:05,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:55:05,214 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:55:05,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:55:05,216 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:55:05,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:55:05,217 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:55:05,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:55:05,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:55:05,218 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:55:05,219 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:55:05,219 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:55:05,220 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:55:05,220 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:55:05,221 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:55:05,221 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:55:05,221 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:55:05,221 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:55:05,221 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:55:05,222 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:55:05,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:55:05,222 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 14:55:05,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:55:05,230 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:55:05,230 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:55:05,230 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 14:55:05,230 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 14:55:05,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:55:05,231 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:55:05,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 14:55:05,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 14:55:05,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:55:05,233 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 14:55:05,233 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 14:55:05,233 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_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/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 -> 567b7fa1f847760293934d0162ff45c1e81b7a4f [2018-12-01 14:55:05,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:55:05,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:55:05,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:55:05,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:55:05,260 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:55:05,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/nan_true-unreach-call.i [2018-12-01 14:55:05,295 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data/42eb28bc0/b5890f464dec48498bc7869e5aa60463/FLAG32363cee0 [2018-12-01 14:55:05,749 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:55:05,749 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/sv-benchmarks/c/floats-esbmc-regression/nan_true-unreach-call.i [2018-12-01 14:55:05,756 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data/42eb28bc0/b5890f464dec48498bc7869e5aa60463/FLAG32363cee0 [2018-12-01 14:55:05,764 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/data/42eb28bc0/b5890f464dec48498bc7869e5aa60463 [2018-12-01 14:55:05,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:55:05,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:55:05,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:55:05,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:55:05,770 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:55:05,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:55:05" (1/1) ... [2018-12-01 14:55:05,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d73ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:05, skipping insertion in model container [2018-12-01 14:55:05,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:55:05" (1/1) ... [2018-12-01 14:55:05,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:55:05,803 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:55:06,071 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:55:06,075 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:55:06,092 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:55:06,234 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:55:06,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06 WrapperNode [2018-12-01 14:55:06,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:55:06,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:55:06,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:55:06,235 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:55:06,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:55:06,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:55:06,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:55:06,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:55:06,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... [2018-12-01 14:55:06,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:55:06,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:55:06,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:55:06,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:55:06,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/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 [2018-12-01 14:55:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-01 14:55:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-01 14:55:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 14:55:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 14:55:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:55:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:55:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 14:55:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 14:55:06,413 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:55:06,413 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 14:55:06,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:06 BoogieIcfgContainer [2018-12-01 14:55:06,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:55:06,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 14:55:06,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 14:55:06,416 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 14:55:06,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:55:05" (1/3) ... [2018-12-01 14:55:06,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a38ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:55:06, skipping insertion in model container [2018-12-01 14:55:06,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:06" (2/3) ... [2018-12-01 14:55:06,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a38ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:55:06, skipping insertion in model container [2018-12-01 14:55:06,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:06" (3/3) ... [2018-12-01 14:55:06,418 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_true-unreach-call.i [2018-12-01 14:55:06,423 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 14:55:06,428 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 14:55:06,436 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 14:55:06,453 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 14:55:06,453 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 14:55:06,453 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 14:55:06,453 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 14:55:06,453 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 14:55:06,453 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 14:55:06,453 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 14:55:06,454 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 14:55:06,454 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 14:55:06,463 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-12-01 14:55:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:55:06,466 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 14:55:06,466 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 14:55:06,468 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 14:55:06,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:55:06,471 INFO L82 PathProgramCache]: Analyzing trace with hash 106103145, now seen corresponding path program 1 times [2018-12-01 14:55:06,473 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 14:55:06,473 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/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 [2018-12-01 14:55:06,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 14:55:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:55:06,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:55:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:55:06,557 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 14:55:06,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 14:55:06,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 14:55:06,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 14:55:06,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 14:55:06,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 14:55:06,577 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-12-01 14:55:06,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 14:55:06,613 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2018-12-01 14:55:06,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 14:55:06,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-01 14:55:06,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 14:55:06,619 INFO L225 Difference]: With dead ends: 34 [2018-12-01 14:55:06,619 INFO L226 Difference]: Without dead ends: 16 [2018-12-01 14:55:06,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-01 14:55:06,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-01 14:55:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-01 14:55:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-01 14:55:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-12-01 14:55:06,642 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 9 [2018-12-01 14:55:06,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 14:55:06,642 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-12-01 14:55:06,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 14:55:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-12-01 14:55:06,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 14:55:06,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 14:55:06,642 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 14:55:06,643 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 14:55:06,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:55:06,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1884602169, now seen corresponding path program 1 times [2018-12-01 14:55:06,643 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 14:55:06,643 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-01 14:55:06,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 14:55:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:55:06,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:55:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:55:06,686 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 14:55:06,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 14:55:06,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 14:55:06,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 14:55:06,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 14:55:06,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 14:55:06,698 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 5 states. [2018-12-01 14:55:06,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 14:55:06,712 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-01 14:55:06,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 14:55:06,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-12-01 14:55:06,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 14:55:06,713 INFO L225 Difference]: With dead ends: 16 [2018-12-01 14:55:06,713 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 14:55:06,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-01 14:55:06,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 14:55:06,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 14:55:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 14:55:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 14:55:06,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-12-01 14:55:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 14:55:06,714 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 14:55:06,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 14:55:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 14:55:06,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:55:06,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 14:55:06,758 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-01 14:55:06,758 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 14:55:06,758 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 14:55:06,758 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 14:55:06,758 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 14:55:06,759 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 14:55:06,759 INFO L444 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (= main_~f1~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ NaN 11 53))) [2018-12-01 14:55:06,759 INFO L448 ceAbstractionStarter]: For program point L1007-1(line 1007) no Hoare annotation was computed. [2018-12-01 14:55:06,759 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 1004 1011) the Hoare annotation is: true [2018-12-01 14:55:06,759 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 1004 1011) no Hoare annotation was computed. [2018-12-01 14:55:06,759 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1004 1011) no Hoare annotation was computed. [2018-12-01 14:55:06,759 INFO L444 ceAbstractionStarter]: At program point L1010(line 1010) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ NaN 11 53)))) (and (= main_~f1~0 .cse0) (= main_~f2~0 .cse0))) [2018-12-01 14:55:06,759 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 1000) the Hoare annotation is: true [2018-12-01 14:55:06,759 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 1000) no Hoare annotation was computed. [2018-12-01 14:55:06,759 INFO L448 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2018-12-01 14:55:06,759 INFO L448 ceAbstractionStarter]: For program point L1000-1(line 1000) no Hoare annotation was computed. [2018-12-01 14:55:06,759 INFO L448 ceAbstractionStarter]: For program point L1000-3(line 1000) no Hoare annotation was computed. [2018-12-01 14:55:06,760 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2018-12-01 14:55:06,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:55:06 BoogieIcfgContainer [2018-12-01 14:55:06,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 14:55:06,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:55:06,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:55:06,762 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:55:06,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:06" (3/4) ... [2018-12-01 14:55:06,764 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:55:06,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 14:55:06,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 14:55:06,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-01 14:55:06,771 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-01 14:55:06,771 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 14:55:06,772 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 14:55:06,793 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e27ca246-9ea0-4092-a1ad-3cbfe8c6ac06/bin-2019/uautomizer/witness.graphml [2018-12-01 14:55:06,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:55:06,794 INFO L168 Benchmark]: Toolchain (without parser) took 1027.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -115.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:55:06,794 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. [2018-12-01 14:55:06,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.88 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 821.2 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-12-01 14:55:06,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 821.2 MB in the beginning and 1.1 GB in the end (delta: -300.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-01 14:55:06,795 INFO L168 Benchmark]: Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:55:06,796 INFO L168 Benchmark]: RCFGBuilder took 107.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:55:06,796 INFO L168 Benchmark]: TraceAbstraction took 347.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2018-12-01 14:55:06,796 INFO L168 Benchmark]: Witness Printer took 31.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-12-01 14:55:06,798 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 466.88 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 821.2 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 821.2 MB in the beginning and 1.1 GB in the end (delta: -300.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 107.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 347.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * Witness Printer took 31.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1000]: 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, 0.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 8 SDslu, 69 SDs, 0 SdLazy, 18 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 21 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 524 SizeOfPredicates, 4 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...