./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float19.i --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/floats-cbmc-regression/float19.i -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 fb866a5cacd669e678f08014c34cb9831bc85cc9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/floats-cbmc-regression/float19.i -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 fb866a5cacd669e678f08014c34cb9831bc85cc9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:11:22,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:11:22,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:11:22,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:11:22,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:11:22,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:11:22,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:11:22,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:11:22,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:11:22,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:11:22,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:11:22,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:11:22,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:11:22,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:11:22,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:11:22,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:11:22,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:11:22,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:11:22,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:11:22,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:11:22,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:11:22,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:11:22,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:11:22,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:11:22,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:11:22,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:11:22,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:11:22,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:11:22,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:11:22,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:11:22,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:11:22,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:11:22,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:11:22,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:11:22,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:11:22,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:11:22,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:11:22,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:11:22,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:11:22,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:11:22,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:11:22,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:11:22,878 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:11:22,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:11:22,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:11:22,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:11:22,881 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:11:22,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:11:22,882 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:11:22,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:11:22,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:11:22,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:11:22,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:11:22,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:11:22,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:11:22,884 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:11:22,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:11:22,885 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:11:22,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:11:22,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:11:22,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:11:22,886 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:11:22,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:11:22,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:11:22,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:11:22,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:11:22,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:11:22,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:11:22,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:11:22,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:11:22,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:11:22,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb866a5cacd669e678f08014c34cb9831bc85cc9 [2020-12-02 14:11:23,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:11:23,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:11:23,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:11:23,384 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:11:23,385 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:11:23,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float19.i [2020-12-02 14:11:23,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebf81e81/f299b027a5d3466ca0aa5887914e435c/FLAGc0c6adecf [2020-12-02 14:11:24,327 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:11:24,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float19.i [2020-12-02 14:11:24,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebf81e81/f299b027a5d3466ca0aa5887914e435c/FLAGc0c6adecf [2020-12-02 14:11:24,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebf81e81/f299b027a5d3466ca0aa5887914e435c [2020-12-02 14:11:24,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:11:24,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:11:24,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:11:24,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:11:24,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:11:24,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:24" (1/1) ... [2020-12-02 14:11:24,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b38441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:24, skipping insertion in model container [2020-12-02 14:11:24,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:24" (1/1) ... [2020-12-02 14:11:24,591 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:11:24,706 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:11:25,304 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1400) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) 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:2341) 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:2341) 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: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: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.visit(CHandler.java:1576) 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 14:11:25,321 INFO L168 Benchmark]: Toolchain (without parser) took 778.14 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.3 MB in the beginning and 35.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:25,323 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:11:25,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.01 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.1 MB in the beginning and 35.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:25,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 768.01 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.1 MB in the beginning and 35.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) 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 14:11:28,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:11:28,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:11:28,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:11:28,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:11:28,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:11:28,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:11:28,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:11:28,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:11:28,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:11:28,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:11:28,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:11:28,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:11:28,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:11:28,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:11:28,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:11:28,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:11:28,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:11:28,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:11:28,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:11:28,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:11:28,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:11:28,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:11:28,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:11:28,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:11:28,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:11:28,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:11:28,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:11:28,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:11:28,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:11:28,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:11:28,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:11:28,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:11:28,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:11:28,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:11:28,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:11:28,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:11:28,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:11:28,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:11:28,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:11:28,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:11:28,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:11:28,697 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:11:28,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:11:28,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:11:28,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:11:28,701 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:11:28,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:11:28,701 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:11:28,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:11:28,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:11:28,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:11:28,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:11:28,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:11:28,704 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:11:28,705 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:11:28,705 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:11:28,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:11:28,705 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:11:28,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:11:28,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:11:28,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:11:28,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:11:28,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:11:28,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:11:28,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:11:28,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:11:28,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:11:28,708 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:11:28,709 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:11:28,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:11:28,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:11:28,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:11:28,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb866a5cacd669e678f08014c34cb9831bc85cc9 [2020-12-02 14:11:29,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:11:29,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:11:29,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:11:29,276 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:11:29,276 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:11:29,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float19.i [2020-12-02 14:11:29,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd200486/fa26646f8b18444a9270a1858f69d14b/FLAGa736ef7c4 [2020-12-02 14:11:30,245 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:11:30,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float19.i [2020-12-02 14:11:30,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd200486/fa26646f8b18444a9270a1858f69d14b/FLAGa736ef7c4 [2020-12-02 14:11:30,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd200486/fa26646f8b18444a9270a1858f69d14b [2020-12-02 14:11:30,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:11:30,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:11:30,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:11:30,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:11:30,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:11:30,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:30" (1/1) ... [2020-12-02 14:11:30,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b3a1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:30, skipping insertion in model container [2020-12-02 14:11:30,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:30" (1/1) ... [2020-12-02 14:11:30,416 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:11:30,496 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:11:31,345 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float19.i[40839,40852] [2020-12-02 14:11:31,352 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:11:31,376 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:11:31,445 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float19.i[40839,40852] [2020-12-02 14:11:31,450 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:11:32,041 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:11:32,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32 WrapperNode [2020-12-02 14:11:32,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:11:32,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:11:32,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:11:32,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:11:32,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:11:32,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:11:32,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:11:32,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:11:32,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (1/1) ... [2020-12-02 14:11:32,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:11:32,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:11:32,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:11:32,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:11:32,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (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 14:11:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 14:11:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:11:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:11:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:11:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:11:33,110 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:11:33,111 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-02 14:11:33,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:33 BoogieIcfgContainer [2020-12-02 14:11:33,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:11:33,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:11:33,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:11:33,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:11:33,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:11:30" (1/3) ... [2020-12-02 14:11:33,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afc9994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:33, skipping insertion in model container [2020-12-02 14:11:33,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:32" (2/3) ... [2020-12-02 14:11:33,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afc9994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:33, skipping insertion in model container [2020-12-02 14:11:33,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:33" (3/3) ... [2020-12-02 14:11:33,142 INFO L111 eAbstractionObserver]: Analyzing ICFG float19.i [2020-12-02 14:11:33,168 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:11:33,188 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 14:11:33,212 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 14:11:33,258 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:11:33,259 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:11:33,259 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:11:33,259 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:11:33,260 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:11:33,260 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:11:33,260 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:11:33,260 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:11:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-02 14:11:33,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-02 14:11:33,286 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:11:33,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-02 14:11:33,287 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:11:33,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:11:33,295 INFO L82 PathProgramCache]: Analyzing trace with hash 28693795, now seen corresponding path program 1 times [2020-12-02 14:11:33,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:11:33,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835967070] [2020-12-02 14:11:33,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 14:11:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:11:33,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-02 14:11:33,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:11:34,725 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 14:11:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:11:34,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:11:41,670 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 14:11:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:11:42,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835967070] [2020-12-02 14:11:42,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:11:42,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 14:11:42,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588638956] [2020-12-02 14:11:42,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 14:11:42,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:11:42,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 14:11:42,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:11:42,261 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-12-02 14:11:44,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:11:44,974 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-12-02 14:11:44,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 14:11:44,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-12-02 14:11:44,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:11:45,005 INFO L225 Difference]: With dead ends: 18 [2020-12-02 14:11:45,007 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 14:11:45,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:11:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 14:11:45,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 14:11:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 14:11:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 14:11:45,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-12-02 14:11:45,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:11:45,063 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 14:11:45,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 14:11:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 14:11:45,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 14:11:45,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 14:11:45,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 14:11:45,397 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-12-02 14:11:45,421 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 14:11:45,421 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 14:11:45,422 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 14:11:45,422 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 14:11:45,422 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2020-12-02 14:11:45,422 INFO L265 CegarLoopResult]: At program point L982(lines 974 983) the Hoare annotation is: true [2020-12-02 14:11:45,423 INFO L262 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-12-02 14:11:45,423 INFO L262 CegarLoopResult]: For program point L967(lines 967 969) no Hoare annotation was computed. [2020-12-02 14:11:45,424 INFO L262 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-12-02 14:11:45,424 INFO L262 CegarLoopResult]: For program point L965(lines 965 970) no Hoare annotation was computed. [2020-12-02 14:11:45,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:11:45 BoogieIcfgContainer [2020-12-02 14:11:45,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:11:45,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:11:45,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:11:45,445 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:11:45,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:33" (3/4) ... [2020-12-02 14:11:45,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 14:11:45,486 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-02 14:11:45,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-02 14:11:45,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:11:45,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:11:45,581 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 14:11:45,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:11:45,588 INFO L168 Benchmark]: Toolchain (without parser) took 15229.94 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 21.7 MB in the beginning and 22.4 MB in the end (delta: -669.4 kB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:45,588 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 26.1 MB in the beginning and 26.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:11:45,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1681.56 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 21.5 MB in the beginning and 41.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:45,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.61 ms. Allocated memory is still 71.3 MB. Free memory was 41.0 MB in the beginning and 38.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:45,599 INFO L168 Benchmark]: Boogie Preprocessor took 57.72 ms. Allocated memory is still 71.3 MB. Free memory was 38.2 MB in the beginning and 37.6 MB in the end (delta: 642.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:11:45,600 INFO L168 Benchmark]: RCFGBuilder took 915.23 ms. Allocated memory is still 71.3 MB. Free memory was 37.4 MB in the beginning and 24.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:45,601 INFO L168 Benchmark]: TraceAbstraction took 12318.97 ms. Allocated memory is still 71.3 MB. Free memory was 24.2 MB in the beginning and 25.1 MB in the end (delta: -909.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:11:45,601 INFO L168 Benchmark]: Witness Printer took 137.33 ms. Allocated memory is still 71.3 MB. Free memory was 25.1 MB in the beginning and 22.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:45,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 26.1 MB in the beginning and 26.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1681.56 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 21.5 MB in the beginning and 41.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.61 ms. Allocated memory is still 71.3 MB. Free memory was 41.0 MB in the beginning and 38.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.72 ms. Allocated memory is still 71.3 MB. Free memory was 38.2 MB in the beginning and 37.6 MB in the end (delta: 642.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 915.23 ms. Allocated memory is still 71.3 MB. Free memory was 37.4 MB in the beginning and 24.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12318.97 ms. Allocated memory is still 71.3 MB. Free memory was 24.2 MB in the beginning and 25.1 MB in the end (delta: -909.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 137.33 ms. Allocated memory is still 71.3 MB. Free memory was 25.1 MB in the beginning and 22.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 8 SDslu, 16 SDs, 0 SdLazy, 13 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.6s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 324 SizeOfPredicates, 4 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...