./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/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 e96f7460ddf7c6067a0934eb08c9c2b5df3d659b ............................................................................................................................................................ 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_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/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 e96f7460ddf7c6067a0934eb08c9c2b5df3d659b ........................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:52:04,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:04,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:04,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:04,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:04,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:04,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:04,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:04,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:04,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:04,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:04,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:04,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:04,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:04,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:04,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:04,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:04,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:04,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:04,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:04,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:04,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:04,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:04,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:04,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:04,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:04,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:04,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:04,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:04,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:04,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:04,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:04,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:04,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:04,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:04,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:04,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:04,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:04,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:04,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:04,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:04,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:52:04,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:04,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:04,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:04,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:04,256 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:04,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:04,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:52:04,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:04,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:52:04,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:04,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:52:04,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:52:04,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:52:04,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:52:04,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:04,258 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:04,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:52:04,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:04,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:04,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:52:04,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:52:04,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:04,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:04,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:52:04,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:52:04,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:04,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:52:04,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:52:04,261 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_253ce021-afaa-4ea0-b0ac-276d7d80ef55/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 -> e96f7460ddf7c6067a0934eb08c9c2b5df3d659b [2019-11-25 08:52:04,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:04,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:04,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:04,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:04,438 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:04,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2019-11-25 08:52:04,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data/ff1fa9277/4c5220f3ec1041cc81c3f244b39d393f/FLAGa029b5404 [2019-11-25 08:52:05,049 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:05,050 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2019-11-25 08:52:05,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data/ff1fa9277/4c5220f3ec1041cc81c3f244b39d393f/FLAGa029b5404 [2019-11-25 08:52:05,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data/ff1fa9277/4c5220f3ec1041cc81c3f244b39d393f [2019-11-25 08:52:05,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:05,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:05,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:05,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:05,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:05,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:05" (1/1) ... [2019-11-25 08:52:05,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d46a519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:05, skipping insertion in model container [2019-11-25 08:52:05,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:05" (1/1) ... [2019-11-25 08:52:05,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:05,534 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:06,044 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: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1642) 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:1349) 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:699) 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:174) 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:1356) 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:1300) 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:993) 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:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 08:52:06,049 INFO L168 Benchmark]: Toolchain (without parser) took 578.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:06,050 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:06,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:06,053 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 575.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 23.9 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:52:07,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:07,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:07,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:07,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:07,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:07,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:07,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:07,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:07,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:07,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:07,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:07,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:07,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:07,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:07,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:07,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:07,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:07,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:07,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:07,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:07,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:07,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:07,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:07,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:07,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:07,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:07,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:07,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:07,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:07,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:07,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:07,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:07,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:07,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:07,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:07,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:07,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:07,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:07,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:07,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:07,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:52:07,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:07,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:07,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:07,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:07,915 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:07,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:07,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:52:07,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:52:07,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:07,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:52:07,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:52:07,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:52:07,918 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:52:07,918 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:52:07,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:52:07,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:52:07,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:07,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:07,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:52:07,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:07,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:07,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:52:07,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:52:07,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:07,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:07,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:52:07,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:52:07,922 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:52:07,922 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:52:07,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:52:07,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:52:07,923 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_253ce021-afaa-4ea0-b0ac-276d7d80ef55/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 -> e96f7460ddf7c6067a0934eb08c9c2b5df3d659b [2019-11-25 08:52:08,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:08,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:08,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:08,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:08,212 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:08,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2019-11-25 08:52:08,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data/03b3a2a4d/e815bdf7fc0a4b3187f5bd7470a6fae8/FLAG6cbdbed49 [2019-11-25 08:52:08,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:08,695 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2019-11-25 08:52:08,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data/03b3a2a4d/e815bdf7fc0a4b3187f5bd7470a6fae8/FLAG6cbdbed49 [2019-11-25 08:52:09,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/data/03b3a2a4d/e815bdf7fc0a4b3187f5bd7470a6fae8 [2019-11-25 08:52:09,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:09,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:09,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:09,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:09,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:09,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:09" (1/1) ... [2019-11-25 08:52:09,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c82cf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:09, skipping insertion in model container [2019-11-25 08:52:09,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:09" (1/1) ... [2019-11-25 08:52:09,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:09,092 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:09,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:09,676 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:09,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:10,016 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:10,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10 WrapperNode [2019-11-25 08:52:10,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:10,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:10,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:10,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:10,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:10,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:10,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:10,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:10,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... [2019-11-25 08:52:10,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:10,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:10,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:10,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:10,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/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 [2019-11-25 08:52:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:10,396 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:10,396 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-25 08:52:10,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:10 BoogieIcfgContainer [2019-11-25 08:52:10,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:10,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:52:10,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:52:10,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:52:10,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:52:09" (1/3) ... [2019-11-25 08:52:10,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a53536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:10, skipping insertion in model container [2019-11-25 08:52:10,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:10" (2/3) ... [2019-11-25 08:52:10,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a53536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:10, skipping insertion in model container [2019-11-25 08:52:10,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:10" (3/3) ... [2019-11-25 08:52:10,405 INFO L109 eAbstractionObserver]: Analyzing ICFG fabs.i [2019-11-25 08:52:10,414 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:52:10,421 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-25 08:52:10,432 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-25 08:52:10,455 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:52:10,455 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:52:10,456 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:52:10,456 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:10,456 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:10,457 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:52:10,457 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:10,457 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:52:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-25 08:52:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-25 08:52:10,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:10,478 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-25 08:52:10,479 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:10,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:10,484 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-25 08:52:10,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:52:10,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894237479] [2019-11-25 08:52:10,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/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 [2019-11-25 08:52:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:10,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:52:10,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:10,619 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:52:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:10,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894237479] [2019-11-25 08:52:10,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:10,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-25 08:52:10,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409948160] [2019-11-25 08:52:10,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:52:10,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:52:10,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:52:10,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:10,655 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-11-25 08:52:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:10,737 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2019-11-25 08:52:10,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:10,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-25 08:52:10,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:10,744 INFO L225 Difference]: With dead ends: 41 [2019-11-25 08:52:10,744 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:52:10,747 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:10,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:52:10,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:52:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:52:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:52:10,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-25 08:52:10,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:10,771 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:10,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:52:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:52:10,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:52:10,993 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:52:10,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:52:11,058 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,058 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,058 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:52:11,058 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,059 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:52:11,059 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:52:11,059 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,059 INFO L444 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,059 INFO L444 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,059 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:52:11,059 INFO L440 ceAbstractionStarter]: At program point L867-3(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-25 08:52:11,059 INFO L444 ceAbstractionStarter]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,060 INFO L444 ceAbstractionStarter]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,060 INFO L440 ceAbstractionStarter]: At program point L867-7(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-25 08:52:11,060 INFO L444 ceAbstractionStarter]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,060 INFO L444 ceAbstractionStarter]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,060 INFO L440 ceAbstractionStarter]: At program point L867-11(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-25 08:52:11,060 INFO L444 ceAbstractionStarter]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,061 INFO L444 ceAbstractionStarter]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,061 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,061 INFO L440 ceAbstractionStarter]: At program point L867-15(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-25 08:52:11,061 INFO L444 ceAbstractionStarter]: For program point L867-16(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,061 INFO L444 ceAbstractionStarter]: For program point L867-17(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,061 INFO L440 ceAbstractionStarter]: At program point L867-19(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-25 08:52:11,062 INFO L444 ceAbstractionStarter]: For program point L867-20(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,062 INFO L444 ceAbstractionStarter]: For program point L867-21(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,062 INFO L440 ceAbstractionStarter]: At program point L867-23(lines 1 877) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-25 08:52:11,062 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-25 08:52:11,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:52:11 BoogieIcfgContainer [2019-11-25 08:52:11,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:52:11,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:11,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:11,080 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:11,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:10" (3/4) ... [2019-11-25 08:52:11,084 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:52:11,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:52:11,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:52:11,150 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_253ce021-afaa-4ea0-b0ac-276d7d80ef55/bin/uautomizer/witness.graphml [2019-11-25 08:52:11,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:11,152 INFO L168 Benchmark]: Toolchain (without parser) took 2135.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 955.1 MB in the beginning and 996.1 MB in the end (delta: -41.0 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,152 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-25 08:52:11,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 999.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -102.5 MB). Peak memory consumption was 67.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.73 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,154 INFO L168 Benchmark]: Boogie Preprocessor took 34.57 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. [2019-11-25 08:52:11,154 INFO L168 Benchmark]: RCFGBuilder took 265.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,154 INFO L168 Benchmark]: TraceAbstraction took 680.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,155 INFO L168 Benchmark]: Witness Printer took 70.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 996.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:11,157 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 999.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -102.5 MB). Peak memory consumption was 67.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.73 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.57 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 265.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 680.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 996.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 6 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: 1]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 6 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 16 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 30 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 4 NumberOfNonLiveVariables, 7 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...