./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/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 c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 ................................................................................................................................................................... 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_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/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 c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:06:14,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:06:14,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:06:14,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:06:14,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:06:14,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:06:14,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:06:14,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:06:14,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:06:14,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:06:14,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:06:14,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:06:14,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:06:14,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:06:14,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:06:14,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:06:14,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:06:14,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:06:14,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:06:14,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:06:14,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:06:14,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:06:14,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:06:14,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:06:14,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:06:14,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:06:14,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:06:14,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:06:14,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:06:14,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:06:14,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:06:14,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:06:14,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:06:14,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:06:14,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:06:14,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:06:14,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:06:14,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:06:14,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:06:14,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:06:14,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:06:14,096 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 00:06:14,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:06:14,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:06:14,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:06:14,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:06:14,120 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:06:14,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:06:14,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:06:14,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:06:14,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:06:14,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:06:14,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:06:14,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:06:14,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:06:14,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:06:14,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:06:14,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:06:14,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:06:14,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:06:14,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:06:14,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:06:14,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:06:14,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:06:14,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:06:14,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:06:14,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:06:14,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:06:14,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:06:14,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:06:14,124 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_10bcb4e4-a533-4db4-ae50-6152f1fefeab/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 -> c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 [2019-11-20 00:06:14,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:06:14,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:06:14,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:06:14,272 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:06:14,272 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:06:14,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-11-20 00:06:14,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data/4fb7d30e9/1851cd1159c54e2cba06d4b90100c131/FLAG52b529559 [2019-11-20 00:06:14,790 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:06:14,791 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-11-20 00:06:14,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data/4fb7d30e9/1851cd1159c54e2cba06d4b90100c131/FLAG52b529559 [2019-11-20 00:06:14,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data/4fb7d30e9/1851cd1159c54e2cba06d4b90100c131 [2019-11-20 00:06:14,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:06:14,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:06:14,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:06:14,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:06:14,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:06:14,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:06:14" (1/1) ... [2019-11-20 00:06:14,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336a8603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:14, skipping insertion in model container [2019-11-20 00:06:14,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:06:14" (1/1) ... [2019-11-20 00:06:14,838 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:06:14,895 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:06:15,452 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: isnan 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:1644) 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:941) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) 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.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:667) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1424) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 00:06:15,458 INFO L168 Benchmark]: Toolchain (without parser) took 634.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:15,459 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:06:15,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:15,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 632.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 23.6 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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 0.1.24-678e011 [2019-11-20 00:06:17,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:06:17,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:06:17,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:06:17,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:06:17,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:06:17,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:06:17,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:06:17,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:06:17,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:06:17,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:06:17,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:06:17,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:06:17,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:06:17,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:06:17,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:06:17,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:06:17,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:06:17,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:06:17,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:06:17,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:06:17,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:06:17,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:06:17,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:06:17,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:06:17,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:06:17,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:06:17,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:06:17,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:06:17,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:06:17,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:06:17,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:06:17,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:06:17,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:06:17,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:06:17,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:06:17,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:06:17,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:06:17,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:06:17,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:06:17,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:06:17,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 00:06:17,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:06:17,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:06:17,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:06:17,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:06:17,158 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:06:17,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:06:17,159 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:06:17,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:06:17,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:06:17,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:06:17,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:06:17,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:06:17,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 00:06:17,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 00:06:17,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:06:17,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:06:17,162 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:06:17,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:06:17,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:06:17,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:06:17,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:06:17,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:06:17,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:06:17,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:06:17,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:06:17,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:06:17,165 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 00:06:17,165 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 00:06:17,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:06:17,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 00:06:17,166 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_10bcb4e4-a533-4db4-ae50-6152f1fefeab/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 -> c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 [2019-11-20 00:06:17,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:06:17,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:06:17,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:06:17,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:06:17,463 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:06:17,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-11-20 00:06:17,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data/44610ff76/f500f467262047c8b64f543ab866396c/FLAGd1ed1fa94 [2019-11-20 00:06:17,992 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:06:17,992 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-11-20 00:06:18,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data/44610ff76/f500f467262047c8b64f543ab866396c/FLAGd1ed1fa94 [2019-11-20 00:06:18,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/data/44610ff76/f500f467262047c8b64f543ab866396c [2019-11-20 00:06:18,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:06:18,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:06:18,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:06:18,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:06:18,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:06:18,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:06:18" (1/1) ... [2019-11-20 00:06:18,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1871ce00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:18, skipping insertion in model container [2019-11-20 00:06:18,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:06:18" (1/1) ... [2019-11-20 00:06:18,265 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:06:18,315 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:06:18,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:06:18,800 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:06:18,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:06:19,209 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:06:19,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19 WrapperNode [2019-11-20 00:06:19,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:06:19,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:06:19,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:06:19,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:06:19,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:06:19,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:06:19,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:06:19,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:06:19,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... [2019-11-20 00:06:19,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:06:19,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:06:19,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:06:19,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:06:19,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:06:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:06:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:06:19,590 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:06:19,590 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 00:06:19,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:06:19 BoogieIcfgContainer [2019-11-20 00:06:19,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:06:19,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:06:19,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:06:19,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:06:19,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:06:18" (1/3) ... [2019-11-20 00:06:19,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a047a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:06:19, skipping insertion in model container [2019-11-20 00:06:19,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:19" (2/3) ... [2019-11-20 00:06:19,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a047a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:06:19, skipping insertion in model container [2019-11-20 00:06:19,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:06:19" (3/3) ... [2019-11-20 00:06:19,598 INFO L109 eAbstractionObserver]: Analyzing ICFG float-to-double1.i [2019-11-20 00:06:19,608 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:06:19,614 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 00:06:19,624 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 00:06:19,647 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:06:19,647 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:06:19,648 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:06:19,648 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:06:19,648 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:06:19,649 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:06:19,649 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:06:19,649 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:06:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-20 00:06:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 00:06:19,669 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:06:19,670 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 00:06:19,670 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:06:19,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:06:19,676 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-20 00:06:19,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:06:19,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049089265] [2019-11-20 00:06:19,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 00:06:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:06:19,892 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 00:06:19,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:06:20,462 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-20 00:06:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:06:21,344 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:06:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:06:22,681 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049089265] [2019-11-20 00:06:22,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:06:22,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-20 00:06:22,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795962129] [2019-11-20 00:06:22,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:06:22,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:06:22,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:06:22,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:06:22,698 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2019-11-20 00:06:22,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:06:22,896 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2019-11-20 00:06:22,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:06:22,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-20 00:06:22,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:06:22,914 INFO L225 Difference]: With dead ends: 10 [2019-11-20 00:06:22,914 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 00:06:22,917 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:06:22,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 00:06:22,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 00:06:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 00:06:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:06:22,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-20 00:06:22,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:06:22,938 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:06:22,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:06:22,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:06:22,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:06:23,139 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 00:06:23,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 00:06:23,145 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 00:06:23,145 INFO L444 ceAbstractionStarter]: For program point L958(lines 958 966) no Hoare annotation was computed. [2019-11-20 00:06:23,145 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 00:06:23,145 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 00:06:23,146 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2019-11-20 00:06:23,146 INFO L444 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-11-20 00:06:23,146 INFO L444 ceAbstractionStarter]: For program point L965-1(line 965) no Hoare annotation was computed. [2019-11-20 00:06:23,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:06:23 BoogieIcfgContainer [2019-11-20 00:06:23,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:06:23,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:06:23,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:06:23,151 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:06:23,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:06:19" (3/4) ... [2019-11-20 00:06:23,156 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:06:23,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 00:06:23,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 00:06:23,197 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10bcb4e4-a533-4db4-ae50-6152f1fefeab/bin/uautomizer/witness.graphml [2019-11-20 00:06:23,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:06:23,202 INFO L168 Benchmark]: Toolchain (without parser) took 4950.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 955.1 MB in the beginning and 995.9 MB in the end (delta: -40.8 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:23,202 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:06:23,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -85.8 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:23,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:06:23,204 INFO L168 Benchmark]: Boogie Preprocessor took 20.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:06:23,204 INFO L168 Benchmark]: RCFGBuilder took 308.88 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:23,205 INFO L168 Benchmark]: TraceAbstraction took 3556.79 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:23,205 INFO L168 Benchmark]: Witness Printer took 46.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:23,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 961.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -85.8 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.21 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 20.86 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 308.88 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3556.79 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Witness Printer took 46.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 965]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 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...