./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-benchs/cast_float_union.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/cast_float_union.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/cast_float_union.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 0.2.0-2880296 [2020-12-02 14:14:07,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:14:07,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:14:07,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:14:07,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:14:07,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:14:07,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:14:07,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:14:07,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:14:07,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:14:07,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:14:07,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:14:07,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:14:07,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:14:07,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:14:07,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:14:07,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:14:07,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:14:07,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:14:07,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:14:07,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:14:07,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:14:07,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:14:07,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:14:07,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:14:07,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:14:07,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:14:07,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:14:07,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:14:07,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:14:07,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:14:07,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:14:07,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:14:07,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:14:07,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:14:07,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:14:07,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:14:07,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:14:07,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:14:07,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:14:07,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:14:07,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:14:07,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:14:07,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:14:07,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:14:07,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:14:07,358 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:14:07,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:14:07,358 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:14:07,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:14:07,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:14:07,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:14:07,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:14:07,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:14:07,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:14:07,361 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:14:07,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:14:07,362 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:14:07,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:14:07,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:14:07,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:14:07,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:14:07,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:14:07,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:14:07,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:14:07,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:14:07,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:14:07,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:14:07,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:14:07,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:14:07,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:14:07,366 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa9b5ae03b552654908bc6467afad9021ca189c [2020-12-02 14:14:07,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:14:07,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:14:07,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:14:07,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:14:07,805 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:14:07,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-12-02 14:14:07,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad32ee850/0a1cf8be72b04cd8804d2b8466e63f7d/FLAGe30417ca0 [2020-12-02 14:14:08,604 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:14:08,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-12-02 14:14:08,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad32ee850/0a1cf8be72b04cd8804d2b8466e63f7d/FLAGe30417ca0 [2020-12-02 14:14:08,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad32ee850/0a1cf8be72b04cd8804d2b8466e63f7d [2020-12-02 14:14:08,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:14:08,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:14:08,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:08,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:14:08,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:14:08,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:08" (1/1) ... [2020-12-02 14:14:08,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f4bab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:08, skipping insertion in model container [2020-12-02 14:14:09,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:08" (1/1) ... [2020-12-02 14:14:09,010 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:14:09,031 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:14:09,213 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union.c[593,606] [2020-12-02 14:14:09,232 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) [2020-12-02 14:14:09,239 INFO L168 Benchmark]: Toolchain (without parser) took 253.17 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 24.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:09,240 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 44.0 MB. Free memory was 24.6 MB in the beginning and 24.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:09,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.40 ms. Allocated memory is still 44.0 MB. Free memory was 21.3 MB in the beginning and 24.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:09,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 44.0 MB. Free memory was 24.6 MB in the beginning and 24.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 246.40 ms. Allocated memory is still 44.0 MB. Free memory was 21.3 MB in the beginning and 24.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 7.6 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 0.2.0-2880296 [2020-12-02 14:14:11,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:14:11,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:14:11,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:14:11,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:14:11,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:14:11,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:14:11,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:14:11,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:14:11,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:14:11,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:14:11,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:14:11,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:14:11,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:14:11,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:14:11,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:14:11,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:14:11,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:14:11,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:14:11,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:14:11,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:14:11,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:14:11,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:14:11,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:14:11,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:14:11,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:14:11,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:14:11,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:14:11,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:14:11,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:14:11,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:14:11,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:14:11,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:14:11,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:14:11,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:14:11,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:14:11,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:14:11,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:14:11,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:14:11,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:14:11,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:14:11,840 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:14:11,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:14:11,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:14:11,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:14:11,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:14:11,871 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:14:11,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:14:11,872 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:14:11,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:14:11,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:14:11,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:14:11,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:14:11,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:14:11,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:14:11,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:14:11,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:14:11,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:14:11,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:14:11,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:14:11,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:14:11,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:14:11,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:14:11,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:14:11,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:14:11,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:14:11,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:14:11,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:14:11,879 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:14:11,879 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:14:11,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:14:11,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:14:11,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:14:11,881 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa9b5ae03b552654908bc6467afad9021ca189c [2020-12-02 14:14:12,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:14:12,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:14:12,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:14:12,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:14:12,337 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:14:12,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-12-02 14:14:12,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf4fb137/b29a7d340dac4e3cbbafe24147aaf394/FLAG56477a5e5 [2020-12-02 14:14:13,011 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:14:13,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-12-02 14:14:13,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf4fb137/b29a7d340dac4e3cbbafe24147aaf394/FLAG56477a5e5 [2020-12-02 14:14:13,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baf4fb137/b29a7d340dac4e3cbbafe24147aaf394 [2020-12-02 14:14:13,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:14:13,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:14:13,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:13,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:14:13,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:14:13,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e9719d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13, skipping insertion in model container [2020-12-02 14:14:13,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,437 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:14:13,454 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:14:13,613 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union.c[593,606] [2020-12-02 14:14:13,636 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:14:13,665 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:14:13,680 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union.c[593,606] [2020-12-02 14:14:13,694 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:14:13,726 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:14:13,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13 WrapperNode [2020-12-02 14:14:13,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:14:13,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:14:13,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:14:13,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:14:13,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:14:13,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:14:13,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:14:13,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:14:13,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... [2020-12-02 14:14:13,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:14:13,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:14:13,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:14:13,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:14:13,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-12-02 14:14:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 14:14:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 14:14:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 14:14:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:14:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:14:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 14:14:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 14:14:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:14:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:14:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 14:14:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 14:14:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 14:14:15,314 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:14:15,314 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-02 14:14:15,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:15 BoogieIcfgContainer [2020-12-02 14:14:15,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:14:15,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:14:15,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:14:15,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:14:15,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:14:13" (1/3) ... [2020-12-02 14:14:15,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6130b6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:15, skipping insertion in model container [2020-12-02 14:14:15,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13" (2/3) ... [2020-12-02 14:14:15,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6130b6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:15, skipping insertion in model container [2020-12-02 14:14:15,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:15" (3/3) ... [2020-12-02 14:14:15,336 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-12-02 14:14:15,356 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:14:15,360 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-12-02 14:14:15,370 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-12-02 14:14:15,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:14:15,395 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:14:15,395 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:14:15,395 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:14:15,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:14:15,395 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:14:15,395 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:14:15,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:14:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-02 14:14:15,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 14:14:15,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-12-02 14:14:15,468 INFO L262 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-12-02 14:14:15,469 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 14:14:15,469 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 14:14:15,469 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 14:14:15,469 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 14:14:15,469 INFO L265 CegarLoopResult]: At program point L59(lines 52 60) the Hoare annotation is: true [2020-12-02 14:14:15,470 INFO L265 CegarLoopResult]: At program point L49(lines 26 50) the Hoare annotation is: true [2020-12-02 14:14:15,470 INFO L262 CegarLoopResult]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-12-02 14:14:15,470 INFO L262 CegarLoopResult]: For program point L42-2(lines 38 48) no Hoare annotation was computed. [2020-12-02 14:14:15,470 INFO L262 CegarLoopResult]: For program point L38(lines 38 48) no Hoare annotation was computed. [2020-12-02 14:14:15,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:14:15 BoogieIcfgContainer [2020-12-02 14:14:15,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:14:15,480 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:14:15,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:14:15,480 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:14:15,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:15" (3/4) ... [2020-12-02 14:14:15,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 14:14:15,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-02 14:14:15,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-02 14:14:15,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-02 14:14:15,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:14:15,554 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 14:14:15,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:14:15,557 INFO L168 Benchmark]: Toolchain (without parser) took 2159.75 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.1 MB in the beginning and 29.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:15,557 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory is still 23.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:15,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.78 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.9 MB in the beginning and 31.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:15,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.10 ms. Allocated memory is still 56.6 MB. Free memory was 31.1 MB in the beginning and 29.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:15,559 INFO L168 Benchmark]: Boogie Preprocessor took 35.84 ms. Allocated memory is still 56.6 MB. Free memory was 29.4 MB in the beginning and 28.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:15,560 INFO L168 Benchmark]: RCFGBuilder took 1502.01 ms. Allocated memory is still 56.6 MB. Free memory was 27.9 MB in the beginning and 26.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:15,561 INFO L168 Benchmark]: TraceAbstraction took 161.06 ms. Allocated memory is still 56.6 MB. Free memory was 26.3 MB in the beginning and 32.7 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:14:15,561 INFO L168 Benchmark]: Witness Printer took 74.42 ms. Allocated memory is still 56.6 MB. Free memory was 32.7 MB in the beginning and 29.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:14:15,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory is still 23.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.78 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.9 MB in the beginning and 31.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.10 ms. Allocated memory is still 56.6 MB. Free memory was 31.1 MB in the beginning and 29.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.84 ms. Allocated memory is still 56.6 MB. Free memory was 29.4 MB in the beginning and 28.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1502.01 ms. Allocated memory is still 56.6 MB. Free memory was 27.9 MB in the beginning and 26.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 161.06 ms. Allocated memory is still 56.6 MB. Free memory was 26.3 MB in the beginning and 32.7 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 74.42 ms. Allocated memory is still 56.6 MB. Free memory was 32.7 MB in the beginning and 29.8 MB in the end (delta: 2.9 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...