./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_float_union.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_float_union.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfa9b5ae03b552654908bc6467afad9021ca189c ................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_float_union.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfa9b5ae03b552654908bc6467afad9021ca189c .......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 14:18:15,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:18:15,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:18:15,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:18:15,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:18:15,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:18:15,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:18:15,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:18:15,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:18:15,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:18:15,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:18:15,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:18:15,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:18:15,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:18:15,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:18:15,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:18:15,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:18:15,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:18:15,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:18:15,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:18:15,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:18:15,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:18:15,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:18:15,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:18:15,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:18:15,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:18:15,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:18:15,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:18:15,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:18:15,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:18:15,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:18:15,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:18:15,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:18:15,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:18:15,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:18:15,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:18:15,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:18:15,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:18:15,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:18:15,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:18:15,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:18:15,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 14:18:15,323 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:18:15,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:18:15,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:18:15,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:18:15,327 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:18:15,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:18:15,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:18:15,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 14:18:15,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:18:15,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:18:15,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:18:15,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:18:15,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:18:15,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:18:15,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:18:15,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:18:15,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:18:15,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:18:15,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:18:15,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:18:15,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:18:15,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:18:15,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:18:15,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:18:15,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:18:15,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 14:18:15,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 14:18:15,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:18:15,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:18:15,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa9b5ae03b552654908bc6467afad9021ca189c [2020-10-24 14:18:15,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:18:15,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:18:15,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:18:15,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:18:15,813 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:18:15,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_union.c [2020-10-24 14:18:15,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9775fd5cf/e9ca58357bc44f09aa5e43ec3532cff3/FLAG8a60acfd0 [2020-10-24 14:18:16,462 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:18:16,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c [2020-10-24 14:18:16,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9775fd5cf/e9ca58357bc44f09aa5e43ec3532cff3/FLAG8a60acfd0 [2020-10-24 14:18:16,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9775fd5cf/e9ca58357bc44f09aa5e43ec3532cff3 [2020-10-24 14:18:16,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:18:16,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:18:16,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:18:16,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:18:16,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:18:16,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:18:16" (1/1) ... [2020-10-24 14:18:16,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff867c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:16, skipping insertion in model container [2020-10-24 14:18:16,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:18:16" (1/1) ... [2020-10-24 14:18:16,888 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:18:16,904 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:18:17,127 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructUnaryExpression(ExpressionTranslation.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleUnaryArithmeticOperators(CExpressionTranslator.java:407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2351) 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:704) 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:1568) 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:1599) 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:1044) 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:1422) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) 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:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 14:18:17,133 INFO L168 Benchmark]: Toolchain (without parser) took 276.23 ms. Allocated memory is still 50.3 MB. Free memory was 28.3 MB in the beginning and 32.8 MB in the end (delta: -4.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:17,134 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 50.3 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:17,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.10 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 32.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:17,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 50.3 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 262.10 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 32.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 14:18:19,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:18:19,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:18:19,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:18:19,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:18:19,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:18:19,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:18:19,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:18:19,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:18:19,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:18:19,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:18:19,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:18:19,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:18:19,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:18:19,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:18:19,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:18:19,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:18:19,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:18:19,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:18:19,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:18:19,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:18:19,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:18:19,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:18:19,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:18:19,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:18:19,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:18:19,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:18:19,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:18:19,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:18:19,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:18:19,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:18:19,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:18:19,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:18:19,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:18:19,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:18:19,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:18:19,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:18:19,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:18:19,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:18:19,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:18:19,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:18:19,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 14:18:19,489 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:18:19,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:18:19,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:18:19,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:18:19,492 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:18:19,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:18:19,493 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:18:19,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:18:19,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:18:19,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:18:19,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:18:19,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:18:19,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 14:18:19,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 14:18:19,496 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:18:19,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:18:19,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:18:19,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:18:19,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:18:19,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:18:19,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:18:19,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:18:19,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:18:19,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:18:19,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:18:19,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:18:19,499 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 14:18:19,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 14:18:19,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:18:19,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:18:19,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 14:18:19,500 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa9b5ae03b552654908bc6467afad9021ca189c [2020-10-24 14:18:19,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:18:19,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:18:19,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:18:19,943 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:18:19,944 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:18:19,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_union.c [2020-10-24 14:18:20,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8af705fd4/b615842b7b5b4e19b265efe049bcbbc0/FLAG73fb7a6b7 [2020-10-24 14:18:20,626 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:18:20,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c [2020-10-24 14:18:20,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8af705fd4/b615842b7b5b4e19b265efe049bcbbc0/FLAG73fb7a6b7 [2020-10-24 14:18:21,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8af705fd4/b615842b7b5b4e19b265efe049bcbbc0 [2020-10-24 14:18:21,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:18:21,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:18:21,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:18:21,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:18:21,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:18:21,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8d7b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21, skipping insertion in model container [2020-10-24 14:18:21,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,090 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:18:21,113 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:18:21,284 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:18:21,299 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:18:21,326 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:18:21,350 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:18:21,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21 WrapperNode [2020-10-24 14:18:21,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:18:21,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:18:21,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:18:21,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:18:21,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 14:18:21,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 14:18:21,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 14:18:21,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 14:18:21,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... [2020-10-24 14:18:21,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 14:18:21,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 14:18:21,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 14:18:21,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 14:18:21,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 14:18:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 14:18:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 14:18:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 14:18:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 14:18:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 14:18:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 14:18:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 14:18:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 14:18:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 14:18:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-10-24 14:18:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 14:18:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 14:18:21,963 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 14:18:21,963 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-24 14:18:21,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:18:21 BoogieIcfgContainer [2020-10-24 14:18:21,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 14:18:21,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 14:18:21,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 14:18:21,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 14:18:21,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:18:21" (1/3) ... [2020-10-24 14:18:21,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73962957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:18:21, skipping insertion in model container [2020-10-24 14:18:21,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:18:21" (2/3) ... [2020-10-24 14:18:21,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73962957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:18:21, skipping insertion in model container [2020-10-24 14:18:21,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:18:21" (3/3) ... [2020-10-24 14:18:21,973 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-10-24 14:18:21,985 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 14:18:21,989 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-24 14:18:22,002 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-24 14:18:22,026 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 14:18:22,026 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 14:18:22,027 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 14:18:22,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 14:18:22,027 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 14:18:22,027 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 14:18:22,027 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 14:18:22,027 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 14:18:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-10-24 14:18:22,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 14:18:22,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-24 14:18:22,092 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-24 14:18:22,092 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 14:18:22,093 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 14:18:22,093 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 14:18:22,093 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 14:18:22,093 INFO L277 CegarLoopResult]: At program point L59(lines 52 60) the Hoare annotation is: true [2020-10-24 14:18:22,093 INFO L277 CegarLoopResult]: At program point L49(lines 26 50) the Hoare annotation is: true [2020-10-24 14:18:22,093 INFO L274 CegarLoopResult]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-10-24 14:18:22,094 INFO L274 CegarLoopResult]: For program point L42-2(lines 38 48) no Hoare annotation was computed. [2020-10-24 14:18:22,094 INFO L274 CegarLoopResult]: For program point L38(lines 38 48) no Hoare annotation was computed. [2020-10-24 14:18:22,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:18:22 BoogieIcfgContainer [2020-10-24 14:18:22,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 14:18:22,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 14:18:22,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 14:18:22,102 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 14:18:22,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:18:21" (3/4) ... [2020-10-24 14:18:22,106 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 14:18:22,118 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-10-24 14:18:22,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 14:18:22,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-24 14:18:22,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 14:18:22,173 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 14:18:22,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 14:18:22,175 INFO L168 Benchmark]: Toolchain (without parser) took 1155.34 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.9 MB in the beginning and 35.3 MB in the end (delta: -13.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:22,176 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 46.1 MB. Free memory was 31.1 MB in the beginning and 31.1 MB in the end (delta: 23.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:22,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.98 ms. Allocated memory is still 56.6 MB. Free memory was 40.8 MB in the beginning and 29.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:22,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.94 ms. Allocated memory is still 56.6 MB. Free memory was 29.7 MB in the beginning and 28.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:22,178 INFO L168 Benchmark]: Boogie Preprocessor took 34.39 ms. Allocated memory is still 56.6 MB. Free memory was 28.1 MB in the beginning and 26.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:18:22,179 INFO L168 Benchmark]: RCFGBuilder took 532.65 ms. Allocated memory is still 56.6 MB. Free memory was 26.7 MB in the beginning and 25.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:22,180 INFO L168 Benchmark]: TraceAbstraction took 134.64 ms. Allocated memory is still 56.6 MB. Free memory was 25.2 MB in the beginning and 38.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:22,180 INFO L168 Benchmark]: Witness Printer took 71.13 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 35.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:18:22,187 INFO L339 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 46.1 MB. Free memory was 31.1 MB in the beginning and 31.1 MB in the end (delta: 23.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 313.98 ms. Allocated memory is still 56.6 MB. Free memory was 40.8 MB in the beginning and 29.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.94 ms. Allocated memory is still 56.6 MB. Free memory was 29.7 MB in the beginning and 28.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.39 ms. Allocated memory is still 56.6 MB. Free memory was 28.1 MB in the beginning and 26.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 532.65 ms. Allocated memory is still 56.6 MB. Free memory was 26.7 MB in the beginning and 25.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 134.64 ms. Allocated memory is still 56.6 MB. Free memory was 25.2 MB in the beginning and 38.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 71.13 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 35.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...