./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/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 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac ............................................................................................................................................................ 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_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/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 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:37:18,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:37:18,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:37:18,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:37:18,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:37:18,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:37:18,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:37:18,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:37:18,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:37:18,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:37:18,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:37:18,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:37:18,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:37:18,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:37:18,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:37:18,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:37:18,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:37:18,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:37:18,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:37:18,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:37:18,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:37:18,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:37:18,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:37:18,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:37:18,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:37:18,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:37:18,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:37:18,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:37:18,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:37:18,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:37:18,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:37:18,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:37:18,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:37:18,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:37:18,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:37:18,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:37:18,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:37:18,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:37:18,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:37:18,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:37:18,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:37:18,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:37:18,735 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:37:18,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:37:18,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:37:18,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:37:18,748 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:37:18,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:37:18,748 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:37:18,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:37:18,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:37:18,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:37:18,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:37:18,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:37:18,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:37:18,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:37:18,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:37:18,751 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:37:18,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:37:18,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:37:18,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:37:18,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:37:18,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:37:18,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:37:18,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:37:18,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:37:18,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:37:18,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:37:18,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:37:18,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:37:18,756 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_9e6d8fc9-5197-42b3-b360-20177e037215/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 -> 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac [2019-11-15 22:37:18,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:37:18,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:37:18,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:37:18,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:37:18,824 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:37:18,825 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2019-11-15 22:37:18,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data/96d21d0a5/422156c989c74f6994efaa5014e58f77/FLAG0bf48b6e3 [2019-11-15 22:37:19,278 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:37:19,278 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2019-11-15 22:37:19,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data/96d21d0a5/422156c989c74f6994efaa5014e58f77/FLAG0bf48b6e3 [2019-11-15 22:37:19,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data/96d21d0a5/422156c989c74f6994efaa5014e58f77 [2019-11-15 22:37:19,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:37:19,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:37:19,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:37:19,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:37:19,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:37:19,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:37:19" (1/1) ... [2019-11-15 22:37:19,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e671e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:19, skipping insertion in model container [2019-11-15 22:37:19,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:37:19" (1/1) ... [2019-11-15 22:37:19,637 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:37:19,687 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:37:20,177 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: fmax 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:1609) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 22:37:20,183 INFO L168 Benchmark]: Toolchain (without parser) took 560.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:37:20,184 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:37:20,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:37:20,186 INFO L335 ainManager$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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 558.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 18.2 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: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:37:22,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:37:22,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:37:22,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:37:22,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:37:22,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:37:22,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:37:22,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:37:22,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:37:22,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:37:22,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:37:22,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:37:22,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:37:22,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:37:22,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:37:22,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:37:22,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:37:22,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:37:22,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:37:22,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:37:22,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:37:22,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:37:22,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:37:22,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:37:22,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:37:22,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:37:22,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:37:22,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:37:22,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:37:22,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:37:22,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:37:22,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:37:22,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:37:22,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:37:22,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:37:22,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:37:22,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:37:22,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:37:22,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:37:22,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:37:22,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:37:22,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:37:22,301 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:37:22,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:37:22,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:37:22,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:37:22,307 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:37:22,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:37:22,308 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:37:22,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:37:22,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:37:22,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:37:22,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:37:22,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:37:22,310 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:37:22,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:37:22,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:37:22,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:37:22,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:37:22,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:37:22,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:37:22,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:37:22,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:37:22,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:37:22,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:37:22,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:37:22,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:37:22,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:37:22,315 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:37:22,315 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:37:22,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:37:22,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:37:22,316 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_9e6d8fc9-5197-42b3-b360-20177e037215/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 -> 53b46124efc39d3bb9b74a9aa7bf27db90fdc5ac [2019-11-15 22:37:22,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:37:22,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:37:22,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:37:22,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:37:22,400 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:37:22,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2019-11-15 22:37:22,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data/1ec8b7e77/a09ff5e82f62465885cfb8f9e61345be/FLAGf5a9b0057 [2019-11-15 22:37:22,979 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:37:22,980 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2019-11-15 22:37:22,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data/1ec8b7e77/a09ff5e82f62465885cfb8f9e61345be/FLAGf5a9b0057 [2019-11-15 22:37:23,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/data/1ec8b7e77/a09ff5e82f62465885cfb8f9e61345be [2019-11-15 22:37:23,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:37:23,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:37:23,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:37:23,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:37:23,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:37:23,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:37:23" (1/1) ... [2019-11-15 22:37:23,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d38f36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:23, skipping insertion in model container [2019-11-15 22:37:23,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:37:23" (1/1) ... [2019-11-15 22:37:23,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:37:23,314 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:37:23,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:37:23,832 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:37:23,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:37:24,241 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:37:24,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24 WrapperNode [2019-11-15 22:37:24,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:37:24,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:37:24,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:37:24,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:37:24,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:37:24,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:37:24,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:37:24,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:37:24,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... [2019-11-15 22:37:24,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:37:24,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:37:24,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:37:24,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:37:24,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/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 [2019-11-15 22:37:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:37:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:37:24,613 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:37:24,613 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-15 22:37:24,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:37:24 BoogieIcfgContainer [2019-11-15 22:37:24,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:37:24,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:37:24,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:37:24,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:37:24,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:37:23" (1/3) ... [2019-11-15 22:37:24,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523e9c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:37:24, skipping insertion in model container [2019-11-15 22:37:24,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:24" (2/3) ... [2019-11-15 22:37:24,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523e9c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:37:24, skipping insertion in model container [2019-11-15 22:37:24,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:37:24" (3/3) ... [2019-11-15 22:37:24,623 INFO L109 eAbstractionObserver]: Analyzing ICFG fmax.i [2019-11-15 22:37:24,634 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:37:24,642 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-15 22:37:24,675 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-15 22:37:24,700 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:37:24,700 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:37:24,700 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:37:24,701 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:37:24,701 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:37:24,701 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:37:24,701 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:37:24,701 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:37:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-15 22:37:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-15 22:37:24,731 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:37:24,732 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-15 22:37:24,734 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:37:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:37:24,740 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-15 22:37:24,762 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:37:24,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812942961] [2019-11-15 22:37:24,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/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 [2019-11-15 22:37:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:37:24,835 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 22:37:24,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:37:24,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:37:24,906 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:37:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:37:24,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812942961] [2019-11-15 22:37:24,923 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:37:24,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-15 22:37:24,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116686390] [2019-11-15 22:37:24,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:37:24,928 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:37:24,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:37:24,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:37:24,943 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2019-11-15 22:37:25,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:37:25,004 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2019-11-15 22:37:25,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:37:25,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-15 22:37:25,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:37:25,013 INFO L225 Difference]: With dead ends: 28 [2019-11-15 22:37:25,013 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:37:25,016 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:37:25,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:37:25,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:37:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:37:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:37:25,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-15 22:37:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:37:25,039 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:37:25,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:37:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:37:25,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:37:25,251 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 22:37:25,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:37:25,309 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:37:25,309 INFO L439 ceAbstractionStarter]: At program point L867-3(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-15 22:37:25,309 INFO L443 ceAbstractionStarter]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,309 INFO L443 ceAbstractionStarter]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,310 INFO L439 ceAbstractionStarter]: At program point L867-7(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-15 22:37:25,310 INFO L443 ceAbstractionStarter]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,310 INFO L443 ceAbstractionStarter]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,310 INFO L439 ceAbstractionStarter]: At program point L867-11(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-15 22:37:25,310 INFO L443 ceAbstractionStarter]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,310 INFO L443 ceAbstractionStarter]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,311 INFO L439 ceAbstractionStarter]: At program point L867-15(lines 1 875) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-15 22:37:25,311 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,311 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,311 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,311 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:37:25,312 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:37:25,312 INFO L443 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,312 INFO L443 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,312 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-15 22:37:25,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:37:25 BoogieIcfgContainer [2019-11-15 22:37:25,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:37:25,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:37:25,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:37:25,326 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:37:25,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:37:24" (3/4) ... [2019-11-15 22:37:25,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:37:25,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-15 22:37:25,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 22:37:25,389 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9e6d8fc9-5197-42b3-b360-20177e037215/bin/uautomizer/witness.graphml [2019-11-15 22:37:25,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:37:25,391 INFO L168 Benchmark]: Toolchain (without parser) took 2151.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 954.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 114.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:37:25,392 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:37:25,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1002.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -60.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:37:25,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.16 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. [2019-11-15 22:37:25,393 INFO L168 Benchmark]: Boogie Preprocessor took 46.29 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. [2019-11-15 22:37:25,394 INFO L168 Benchmark]: RCFGBuilder took 244.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 988.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:37:25,394 INFO L168 Benchmark]: TraceAbstraction took 710.05 ms. Allocated memory is still 1.2 GB. Free memory was 988.2 MB in the beginning and 961.4 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:37:25,395 INFO L168 Benchmark]: Witness Printer took 63.13 ms. Allocated memory is still 1.2 GB. Free memory was 961.4 MB in the beginning and 954.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:37:25,398 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1002.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -60.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.16 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 46.29 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 244.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 988.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 710.05 ms. Allocated memory is still 1.2 GB. Free memory was 988.2 MB in the beginning and 961.4 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 63.13 ms. Allocated memory is still 1.2 GB. Free memory was 961.4 MB in the beginning and 954.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 4 specifications checked. All of them hold - 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 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 4 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 9 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 20 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s 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...