./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/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 96832dfae97efc9710fb813b6fbaafcdad425138 ............................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/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 96832dfae97efc9710fb813b6fbaafcdad425138 .................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:17:12,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:17:12,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:17:12,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:17:12,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:17:12,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:17:12,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:17:12,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:17:12,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:17:12,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:17:12,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:17:12,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:17:12,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:17:12,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:17:12,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:17:12,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:17:12,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:17:12,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:17:12,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:17:12,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:17:12,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:17:12,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:17:12,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:17:12,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:17:12,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:17:12,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:17:12,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:17:12,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:17:12,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:17:12,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:17:12,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:17:12,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:17:12,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:17:12,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:17:12,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:17:12,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:17:12,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:17:12,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:17:12,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:17:12,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:17:12,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:17:12,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:17:12,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:17:12,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:17:12,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:17:12,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:17:12,247 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:17:12,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:17:12,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:17:12,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:17:12,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:17:12,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:17:12,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:17:12,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:17:12,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:17:12,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:17:12,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:17:12,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:17:12,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:17:12,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:17:12,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:17:12,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:17:12,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:17:12,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:17:12,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:17:12,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:17:12,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:17:12,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:17:12,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:17:12,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:17:12,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-11-20 05:17:12,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:17:12,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:17:12,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:17:12,436 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:17:12,436 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:17:12,437 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-11-20 05:17:12,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data/7aa3cb2ad/b9a5388f48044078b7d5b12d6655962e/FLAGc8167a0e9 [2019-11-20 05:17:12,964 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:17:12,964 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-11-20 05:17:12,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data/7aa3cb2ad/b9a5388f48044078b7d5b12d6655962e/FLAGc8167a0e9 [2019-11-20 05:17:13,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data/7aa3cb2ad/b9a5388f48044078b7d5b12d6655962e [2019-11-20 05:17:13,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:17:13,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:17:13,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:17:13,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:17:13,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:17:13,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:17:13" (1/1) ... [2019-11-20 05:17:13,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab9a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:13, skipping insertion in model container [2019-11-20 05:17:13,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:17:13" (1/1) ... [2019-11-20 05:17:13,254 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:17:13,300 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:17:13,841 FATAL L? ?]: 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: fdim at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1269) 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:1213) 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:906) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) 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:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 05:17:13,846 INFO L168 Benchmark]: Toolchain (without parser) took 605.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:13,846 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:17:13,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:13,849 INFO L335 ainManager$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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 29.2 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: fdim de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 05:17:15,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:17:15,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:17:15,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:17:15,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:17:15,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:17:15,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:17:15,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:17:15,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:17:15,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:17:15,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:17:15,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:17:15,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:17:15,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:17:15,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:17:15,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:17:15,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:17:15,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:17:15,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:17:15,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:17:15,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:17:15,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:17:15,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:17:15,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:17:15,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:17:15,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:17:15,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:17:15,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:17:15,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:17:15,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:17:15,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:17:15,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:17:15,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:17:15,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:17:15,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:17:15,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:17:15,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:17:15,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:17:15,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:17:15,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:17:15,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:17:15,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 05:17:15,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:17:15,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:17:15,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:17:15,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:17:15,617 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:17:15,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:17:15,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:17:15,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:17:15,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:17:15,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:17:15,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:17:15,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:17:15,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 05:17:15,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 05:17:15,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:17:15,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:17:15,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:17:15,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:17:15,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:17:15,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:17:15,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:17:15,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:17:15,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:17:15,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:17:15,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:17:15,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:17:15,623 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 05:17:15,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 05:17:15,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:17:15,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 05:17:15,624 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-11-20 05:17:15,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:17:15,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:17:15,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:17:15,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:17:15,893 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:17:15,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-11-20 05:17:15,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data/a5db71ce1/d3e333d302bd45bcbd08aec44dff946e/FLAG3438392a2 [2019-11-20 05:17:16,395 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:17:16,400 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-11-20 05:17:16,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data/a5db71ce1/d3e333d302bd45bcbd08aec44dff946e/FLAG3438392a2 [2019-11-20 05:17:16,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/data/a5db71ce1/d3e333d302bd45bcbd08aec44dff946e [2019-11-20 05:17:16,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:17:16,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:17:16,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:17:16,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:17:16,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:17:16,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:17:16" (1/1) ... [2019-11-20 05:17:16,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb9dbc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:16, skipping insertion in model container [2019-11-20 05:17:16,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:17:16" (1/1) ... [2019-11-20 05:17:16,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:17:16,766 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:17:17,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:17:17,280 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:17:17,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:17:17,730 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:17:17,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17 WrapperNode [2019-11-20 05:17:17,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:17:17,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:17:17,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:17:17,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:17:17,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:17:17,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:17:17,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:17:17,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:17:17,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... [2019-11-20 05:17:17,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:17:17,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:17:17,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:17:17,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:17:17,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/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 [2019-11-20 05:17:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:17:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:17:18,092 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:17:18,092 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 05:17:18,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:18 BoogieIcfgContainer [2019-11-20 05:17:18,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:17:18,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:17:18,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:17:18,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:17:18,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:17:16" (1/3) ... [2019-11-20 05:17:18,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a04853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:17:18, skipping insertion in model container [2019-11-20 05:17:18,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:17" (2/3) ... [2019-11-20 05:17:18,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a04853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:17:18, skipping insertion in model container [2019-11-20 05:17:18,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:18" (3/3) ... [2019-11-20 05:17:18,100 INFO L109 eAbstractionObserver]: Analyzing ICFG fdim.i [2019-11-20 05:17:18,108 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:17:18,114 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-20 05:17:18,127 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-20 05:17:18,150 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:17:18,150 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:17:18,151 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:17:18,151 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:17:18,151 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:17:18,151 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:17:18,152 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:17:18,152 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:17:18,166 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-20 05:17:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 05:17:18,171 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:18,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 05:17:18,172 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:18,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:18,178 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-20 05:17:18,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:17:18,188 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594686164] [2019-11-20 05:17:18,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/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 [2019-11-20 05:17:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:18,261 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 05:17:18,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:18,554 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 5 [2019-11-20 05:17:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:18,559 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:17:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:18,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594686164] [2019-11-20 05:17:18,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:18,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-20 05:17:18,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644712979] [2019-11-20 05:17:18,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:17:18,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:17:18,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:17:18,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:17:18,597 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-20 05:17:18,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:18,655 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2019-11-20 05:17:18,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:17:18,656 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-20 05:17:18,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:18,662 INFO L225 Difference]: With dead ends: 34 [2019-11-20 05:17:18,662 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:17:18,665 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:17:18,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:17:18,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:17:18,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:17:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:17:18,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-20 05:17:18,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:18,689 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:17:18,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:17:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:17:18,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:17:18,893 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 05:17:18,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:17:18,954 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,954 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,955 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:17:18,955 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:17:18,955 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,955 INFO L444 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,955 INFO L444 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,955 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:17:18,956 INFO L440 ceAbstractionStarter]: At program point L867-3(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 05:17:18,956 INFO L444 ceAbstractionStarter]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,956 INFO L444 ceAbstractionStarter]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,956 INFO L440 ceAbstractionStarter]: At program point L867-7(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 05:17:18,956 INFO L444 ceAbstractionStarter]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,957 INFO L444 ceAbstractionStarter]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,957 INFO L440 ceAbstractionStarter]: At program point L867-11(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 05:17:18,957 INFO L444 ceAbstractionStarter]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,957 INFO L444 ceAbstractionStarter]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,957 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,958 INFO L440 ceAbstractionStarter]: At program point L867-15(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 05:17:18,958 INFO L444 ceAbstractionStarter]: For program point L867-16(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,958 INFO L444 ceAbstractionStarter]: For program point L867-17(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,958 INFO L440 ceAbstractionStarter]: At program point L867-19(lines 1 877) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 05:17:18,958 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-20 05:17:18,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:17:18 BoogieIcfgContainer [2019-11-20 05:17:18,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:17:18,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:17:18,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:17:18,974 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:17:18,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:18" (3/4) ... [2019-11-20 05:17:18,978 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:17:18,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 05:17:18,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:17:19,029 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_33545ed3-a802-481b-b7e7-82e404e85a87/bin/uautomizer/witness.graphml [2019-11-20 05:17:19,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:17:19,031 INFO L168 Benchmark]: Toolchain (without parser) took 2335.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 955.1 MB in the beginning and 941.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:19,032 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:17:19,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1032.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -57.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:19,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:17:19,033 INFO L168 Benchmark]: Boogie Preprocessor took 27.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:17:19,034 INFO L168 Benchmark]: RCFGBuilder took 279.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 994.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:19,034 INFO L168 Benchmark]: TraceAbstraction took 879.02 ms. Allocated memory is still 1.2 GB. Free memory was 994.3 MB in the beginning and 941.2 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:19,035 INFO L168 Benchmark]: Witness Printer took 56.27 ms. Allocated memory is still 1.2 GB. Free memory is still 941.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:17:19,037 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1032.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -57.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 279.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 994.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 879.02 ms. Allocated memory is still 1.2 GB. Free memory was 994.3 MB in the beginning and 941.2 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. * Witness Printer took 56.27 ms. Allocated memory is still 1.2 GB. Free memory is still 941.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 5 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 25 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...