./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 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 ../sv-benchmarks/c/float-newlib/double_req_bl_0870b.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 37fec5d7ed29dab502f1e360b2a11cf626d52ce7 ................................................................................................................................................................... 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 ../sv-benchmarks/c/float-newlib/double_req_bl_0870b.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 37fec5d7ed29dab502f1e360b2a11cf626d52ce7 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 00:58:41,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 00:58:41,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 00:58:41,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 00:58:41,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 00:58:41,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 00:58:41,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 00:58:41,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 00:58:41,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 00:58:41,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 00:58:41,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 00:58:41,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 00:58:41,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 00:58:41,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 00:58:41,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 00:58:41,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 00:58:41,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 00:58:41,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 00:58:41,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 00:58:41,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 00:58:41,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 00:58:41,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 00:58:41,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 00:58:41,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 00:58:41,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 00:58:41,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 00:58:41,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 00:58:41,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 00:58:41,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 00:58:41,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 00:58:41,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 00:58:41,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 00:58:41,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 00:58:41,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 00:58:41,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 00:58:41,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 00:58:41,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 00:58:41,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 00:58:41,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 00:58:41,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 00:58:41,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 00:58:41,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-03 00:58:41,893 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 00:58:41,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 00:58:41,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 00:58:41,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 00:58:41,896 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 00:58:41,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 00:58:41,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 00:58:41,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 00:58:41,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 00:58:41,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 00:58:41,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 00:58:41,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 00:58:41,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 00:58:41,898 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 00:58:41,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 00:58:41,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 00:58:41,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 00:58:41,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 00:58:41,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 00:58:41,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 00:58:41,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 00:58:41,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 00:58:41,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 00:58:41,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 00:58:41,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-03 00:58:41,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 00:58:41,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 00:58:41,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 00:58:41,902 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37fec5d7ed29dab502f1e360b2a11cf626d52ce7 [2020-12-03 00:58:42,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 00:58:42,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 00:58:42,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 00:58:42,385 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 00:58:42,386 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 00:58:42,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2020-12-03 00:58:42,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b741b40f/03966faafd4f4520a0efb7208e62a388/FLAG52c8dac07 [2020-12-03 00:58:43,138 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 00:58:43,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2020-12-03 00:58:43,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b741b40f/03966faafd4f4520a0efb7208e62a388/FLAG52c8dac07 [2020-12-03 00:58:43,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b741b40f/03966faafd4f4520a0efb7208e62a388 [2020-12-03 00:58:43,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 00:58:43,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 00:58:43,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 00:58:43,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 00:58:43,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 00:58:43,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:58:43" (1/1) ... [2020-12-03 00:58:43,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1865c587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:43, skipping insertion in model container [2020-12-03 00:58:43,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:58:43" (1/1) ... [2020-12-03 00:58:43,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 00:58:43,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 00:58:43,915 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:358) 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:1402) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1972) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1601) 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:1046) 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:1578) 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:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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) [2020-12-03 00:58:43,922 INFO L168 Benchmark]: Toolchain (without parser) took 457.75 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 20.7 MB in the end (delta: 450.5 kB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-03 00:58:43,923 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 44.0 MB. Free memory was 29.5 MB in the beginning and 29.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 00:58:43,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.05 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 20.7 MB in the end (delta: 197.6 kB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-12-03 00:58:43,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 44.0 MB. Free memory was 29.5 MB in the beginning and 29.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.05 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 20.7 MB in the end (delta: 197.6 kB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-03 00:58:46,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 00:58:46,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 00:58:46,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 00:58:46,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 00:58:46,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 00:58:46,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 00:58:46,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 00:58:46,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 00:58:46,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 00:58:46,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 00:58:46,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 00:58:46,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 00:58:46,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 00:58:46,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 00:58:46,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 00:58:46,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 00:58:46,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 00:58:46,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 00:58:46,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 00:58:46,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 00:58:46,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 00:58:46,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 00:58:46,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 00:58:46,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 00:58:46,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 00:58:46,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 00:58:46,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 00:58:46,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 00:58:46,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 00:58:46,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 00:58:46,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 00:58:46,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 00:58:46,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 00:58:46,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 00:58:46,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 00:58:46,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 00:58:46,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 00:58:46,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 00:58:46,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 00:58:46,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 00:58:46,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-03 00:58:46,797 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 00:58:46,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 00:58:46,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 00:58:46,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 00:58:46,800 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 00:58:46,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 00:58:46,801 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 00:58:46,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 00:58:46,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 00:58:46,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 00:58:46,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 00:58:46,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 00:58:46,803 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 00:58:46,803 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 00:58:46,803 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 00:58:46,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 00:58:46,804 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 00:58:46,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 00:58:46,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 00:58:46,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 00:58:46,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 00:58:46,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 00:58:46,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 00:58:46,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 00:58:46,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 00:58:46,806 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-03 00:58:46,807 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 00:58:46,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 00:58:46,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 00:58:46,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 00:58:46,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37fec5d7ed29dab502f1e360b2a11cf626d52ce7 [2020-12-03 00:58:47,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 00:58:47,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 00:58:47,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 00:58:47,327 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 00:58:47,328 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 00:58:47,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2020-12-03 00:58:47,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e17423b/2fd37862d3214c0eb14d81fe25a499ec/FLAG6493968b2 [2020-12-03 00:58:48,295 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 00:58:48,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2020-12-03 00:58:48,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e17423b/2fd37862d3214c0eb14d81fe25a499ec/FLAG6493968b2 [2020-12-03 00:58:48,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e17423b/2fd37862d3214c0eb14d81fe25a499ec [2020-12-03 00:58:48,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 00:58:48,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 00:58:48,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 00:58:48,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 00:58:48,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 00:58:48,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:58:48" (1/1) ... [2020-12-03 00:58:48,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d44683a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:48, skipping insertion in model container [2020-12-03 00:58:48,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:58:48" (1/1) ... [2020-12-03 00:58:48,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 00:58:48,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 00:58:49,016 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c[14187,14200] [2020-12-03 00:58:49,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 00:58:49,044 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 00:58:49,208 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c[14187,14200] [2020-12-03 00:58:49,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 00:58:49,247 INFO L208 MainTranslator]: Completed translation [2020-12-03 00:58:49,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49 WrapperNode [2020-12-03 00:58:49,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 00:58:49,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 00:58:49,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 00:58:49,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 00:58:49,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 00:58:49,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 00:58:49,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 00:58:49,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 00:58:49,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (1/1) ... [2020-12-03 00:58:49,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 00:58:49,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 00:58:49,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 00:58:49,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 00:58:49,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (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 [2020-12-03 00:58:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-03 00:58:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-03 00:58:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 00:58:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 00:58:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-03 00:58:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-03 00:58:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 00:58:49,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 00:58:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-03 00:58:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 01:00:15,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 01:00:15,539 INFO L299 CfgBuilder]: Removed 90 assume(true) statements. [2020-12-03 01:00:15,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:15 BoogieIcfgContainer [2020-12-03 01:00:15,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 01:00:15,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 01:00:15,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 01:00:15,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 01:00:15,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:58:48" (1/3) ... [2020-12-03 01:00:15,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b02083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:00:15, skipping insertion in model container [2020-12-03 01:00:15,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:58:49" (2/3) ... [2020-12-03 01:00:15,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b02083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:00:15, skipping insertion in model container [2020-12-03 01:00:15,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:15" (3/3) ... [2020-12-03 01:00:15,553 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0870b.c [2020-12-03 01:00:15,570 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 01:00:15,576 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 01:00:15,589 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 01:00:15,618 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 01:00:15,619 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 01:00:15,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 01:00:15,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 01:00:15,619 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 01:00:15,620 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 01:00:15,620 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 01:00:15,620 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 01:00:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states. [2020-12-03 01:00:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 01:00:15,654 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:00:15,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:00:15,655 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:00:15,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:00:15,662 INFO L82 PathProgramCache]: Analyzing trace with hash 484704243, now seen corresponding path program 1 times [2020-12-03 01:00:15,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:00:15,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [264229633] [2020-12-03 01:00:15,677 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 [2020-12-03 01:00:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:00:16,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-03 01:00:16,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:00:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:00:16,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:00:16,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [264229633] [2020-12-03 01:00:16,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:00:16,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 01:00:16,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824030346] [2020-12-03 01:00:16,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 01:00:16,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:00:16,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 01:00:16,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 01:00:16,160 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 2 states. [2020-12-03 01:00:16,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:00:16,213 INFO L93 Difference]: Finished difference Result 423 states and 722 transitions. [2020-12-03 01:00:16,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 01:00:16,215 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-03 01:00:16,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:00:16,238 INFO L225 Difference]: With dead ends: 423 [2020-12-03 01:00:16,238 INFO L226 Difference]: Without dead ends: 209 [2020-12-03 01:00:16,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 01:00:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-12-03 01:00:16,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2020-12-03 01:00:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-12-03 01:00:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 287 transitions. [2020-12-03 01:00:16,298 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 287 transitions. Word has length 11 [2020-12-03 01:00:16,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:00:16,298 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 287 transitions. [2020-12-03 01:00:16,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 01:00:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 287 transitions. [2020-12-03 01:00:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 01:00:16,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:00:16,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:00:16,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 01:00:16,516 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:00:16,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:00:16,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1071808080, now seen corresponding path program 1 times [2020-12-03 01:00:16,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:00:16,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907137220] [2020-12-03 01:00:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-03 01:00:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:00:17,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-03 01:00:17,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:00:17,485 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-03 01:00:17,567 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-03 01:00:17,641 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:00:17,641 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 01:00:17,909 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-03 01:00:17,910 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:00:17,912 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-03 01:00:17,913 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2020-12-03 01:00:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:00:22,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:00:22,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907137220] [2020-12-03 01:00:22,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:00:22,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 01:00:22,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734392707] [2020-12-03 01:00:22,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-03 01:00:22,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:00:22,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-03 01:00:22,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=11, Unknown=2, NotChecked=0, Total=20 [2020-12-03 01:00:22,647 INFO L87 Difference]: Start difference. First operand 209 states and 287 transitions. Second operand 5 states. [2020-12-03 01:00:31,352 WARN L197 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-03 01:00:38,387 WARN L197 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-03 01:01:03,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:01:03,262 INFO L93 Difference]: Finished difference Result 225 states and 304 transitions. [2020-12-03 01:01:03,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-03 01:01:03,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-03 01:01:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:01:03,388 INFO L225 Difference]: With dead ends: 225 [2020-12-03 01:01:03,388 INFO L226 Difference]: Without dead ends: 220 [2020-12-03 01:01:03,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=17, Invalid=21, Unknown=4, NotChecked=0, Total=42 [2020-12-03 01:01:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-12-03 01:01:03,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 209. [2020-12-03 01:01:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-12-03 01:01:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 286 transitions. [2020-12-03 01:01:03,419 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 286 transitions. Word has length 13 [2020-12-03 01:01:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:01:03,420 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 286 transitions. [2020-12-03 01:01:03,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-03 01:01:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 286 transitions. [2020-12-03 01:01:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 01:01:03,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:01:03,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:01:03,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 01:01:03,623 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:01:03,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:01:03,625 INFO L82 PathProgramCache]: Analyzing trace with hash 754673845, now seen corresponding path program 1 times [2020-12-03 01:01:03,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:01:03,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791678088] [2020-12-03 01:01:03,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-03 01:01:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:01:04,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-03 01:01:04,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:01:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:01:05,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:01:05,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791678088] [2020-12-03 01:01:05,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:01:05,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-03 01:01:05,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490086095] [2020-12-03 01:01:05,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 01:01:05,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:01:05,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 01:01:05,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-03 01:01:05,246 INFO L87 Difference]: Start difference. First operand 209 states and 286 transitions. Second operand 6 states. [2020-12-03 01:01:05,755 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-03 01:01:06,285 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-03 01:01:06,838 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-03 01:01:18,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:01:18,103 INFO L93 Difference]: Finished difference Result 327 states and 424 transitions. [2020-12-03 01:01:18,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 01:01:18,105 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-03 01:01:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:01:18,107 INFO L225 Difference]: With dead ends: 327 [2020-12-03 01:01:18,108 INFO L226 Difference]: Without dead ends: 208 [2020-12-03 01:01:18,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-03 01:01:18,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-03 01:01:18,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 198. [2020-12-03 01:01:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-12-03 01:01:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 263 transitions. [2020-12-03 01:01:18,138 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 263 transitions. Word has length 15 [2020-12-03 01:01:18,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:01:18,139 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 263 transitions. [2020-12-03 01:01:18,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 01:01:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 263 transitions. [2020-12-03 01:01:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 01:01:18,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:01:18,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:01:18,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-03 01:01:18,355 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:01:18,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:01:18,356 INFO L82 PathProgramCache]: Analyzing trace with hash 756520887, now seen corresponding path program 1 times [2020-12-03 01:01:18,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:01:18,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859066358] [2020-12-03 01:01:18,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-03 01:01:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:01:18,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-03 01:01:18,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:01:19,389 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 3 [2020-12-03 01:01:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:01:19,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:01:19,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859066358] [2020-12-03 01:01:19,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:01:19,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 01:01:19,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087634103] [2020-12-03 01:01:19,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-03 01:01:19,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:01:19,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-03 01:01:19,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-03 01:01:19,696 INFO L87 Difference]: Start difference. First operand 198 states and 263 transitions. Second operand 5 states. [2020-12-03 01:01:20,502 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-03 01:01:20,918 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-03 01:01:38,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:01:38,787 INFO L93 Difference]: Finished difference Result 203 states and 267 transitions. [2020-12-03 01:01:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-03 01:01:38,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-12-03 01:01:38,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:01:38,821 INFO L225 Difference]: With dead ends: 203 [2020-12-03 01:01:38,821 INFO L226 Difference]: Without dead ends: 197 [2020-12-03 01:01:38,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-03 01:01:38,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-12-03 01:01:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-12-03 01:01:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-12-03 01:01:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 260 transitions. [2020-12-03 01:01:38,841 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 260 transitions. Word has length 15 [2020-12-03 01:01:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:01:38,842 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 260 transitions. [2020-12-03 01:01:38,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-03 01:01:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2020-12-03 01:01:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-03 01:01:38,843 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:01:38,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:01:39,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-03 01:01:39,059 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:01:39,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:01:39,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1368861529, now seen corresponding path program 1 times [2020-12-03 01:01:39,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:01:39,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908844531] [2020-12-03 01:01:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-03 01:01:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:01:40,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-03 01:01:40,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:01:40,299 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-03 01:01:40,623 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 01:01:41,037 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 01:01:41,876 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 3 [2020-12-03 01:01:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:01:42,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:01:42,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908844531] [2020-12-03 01:01:42,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:01:42,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-03 01:01:42,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999171066] [2020-12-03 01:01:42,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-03 01:01:42,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:01:42,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-03 01:01:42,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-03 01:01:42,258 INFO L87 Difference]: Start difference. First operand 197 states and 260 transitions. Second operand 8 states. [2020-12-03 01:01:43,141 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-03 01:01:47,666 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 19 [2020-12-03 01:01:49,254 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 01:01:50,437 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 22 [2020-12-03 01:01:50,846 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-03 01:01:52,165 WARN L197 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 24 [2020-12-03 01:04:19,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:04:19,046 INFO L93 Difference]: Finished difference Result 217 states and 280 transitions. [2020-12-03 01:04:19,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-03 01:04:19,079 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-12-03 01:04:19,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:04:19,080 INFO L225 Difference]: With dead ends: 217 [2020-12-03 01:04:19,080 INFO L226 Difference]: Without dead ends: 208 [2020-12-03 01:04:19,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-03 01:04:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-03 01:04:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 196. [2020-12-03 01:04:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-12-03 01:04:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2020-12-03 01:04:19,095 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 19 [2020-12-03 01:04:19,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:04:19,096 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2020-12-03 01:04:19,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-03 01:04:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2020-12-03 01:04:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-03 01:04:19,097 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:04:19,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:04:19,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-03 01:04:19,304 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:04:19,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:04:19,305 INFO L82 PathProgramCache]: Analyzing trace with hash -376334493, now seen corresponding path program 1 times [2020-12-03 01:04:19,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:04:19,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364252937] [2020-12-03 01:04:19,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-03 01:04:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:04:19,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-03 01:04:19,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:04:20,208 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-03 01:04:20,277 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-03 01:04:20,339 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:04:20,340 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 01:04:20,589 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-03 01:04:20,590 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:04:20,591 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-03 01:04:20,592 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:21 [2020-12-03 01:04:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:04:21,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:04:21,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364252937] [2020-12-03 01:04:21,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:04:21,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-03 01:04:21,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061581647] [2020-12-03 01:04:21,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 01:04:21,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:04:21,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 01:04:21,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-03 01:04:21,359 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand 6 states. [2020-12-03 01:04:21,978 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-03 01:04:22,473 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-03 01:04:22,951 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-03 01:04:22,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:04:22,954 INFO L93 Difference]: Finished difference Result 196 states and 256 transitions. [2020-12-03 01:04:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 01:04:22,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-12-03 01:04:22,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:04:22,955 INFO L225 Difference]: With dead ends: 196 [2020-12-03 01:04:22,955 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 01:04:22,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-03 01:04:22,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 01:04:22,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 01:04:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 01:04:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 01:04:22,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-12-03 01:04:22,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:04:22,958 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 01:04:22,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 01:04:22,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 01:04:22,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 01:04:23,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-03 01:04:23,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 01:04:24,918 WARN L197 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2020-12-03 01:04:25,226 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2020-12-03 01:04:26,075 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2020-12-03 01:04:26,475 INFO L262 CegarLoopResult]: For program point L366(lines 366 367) no Hoare annotation was computed. [2020-12-03 01:04:26,475 INFO L262 CegarLoopResult]: For program point L168(lines 168 169) no Hoare annotation was computed. [2020-12-03 01:04:26,475 INFO L262 CegarLoopResult]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2020-12-03 01:04:26,476 INFO L258 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (and (= (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) |ULTIMATE.start___ieee754_pow_#res|) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-12-03 01:04:26,476 INFO L262 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-12-03 01:04:26,476 INFO L262 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-12-03 01:04:26,476 INFO L262 CegarLoopResult]: For program point L367-2(line 367) no Hoare annotation was computed. [2020-12-03 01:04:26,476 INFO L262 CegarLoopResult]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2020-12-03 01:04:26,476 INFO L258 CegarLoopResult]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2020-12-03 01:04:26,477 INFO L258 CegarLoopResult]: At program point L37(lines 19 38) the Hoare annotation is: false [2020-12-03 01:04:26,477 INFO L262 CegarLoopResult]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2020-12-03 01:04:26,477 INFO L258 CegarLoopResult]: At program point L37-1(lines 19 38) the Hoare annotation is: false [2020-12-03 01:04:26,477 INFO L258 CegarLoopResult]: At program point L37-2(lines 19 38) the Hoare annotation is: false [2020-12-03 01:04:26,477 INFO L262 CegarLoopResult]: For program point L500(lines 500 501) no Hoare annotation was computed. [2020-12-03 01:04:26,478 INFO L262 CegarLoopResult]: For program point L303(lines 303 304) no Hoare annotation was computed. [2020-12-03 01:04:26,478 INFO L262 CegarLoopResult]: For program point L503(lines 503 510) no Hoare annotation was computed. [2020-12-03 01:04:26,478 INFO L262 CegarLoopResult]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2020-12-03 01:04:26,478 INFO L262 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2020-12-03 01:04:26,478 INFO L262 CegarLoopResult]: For program point L504(lines 504 509) no Hoare annotation was computed. [2020-12-03 01:04:26,478 INFO L262 CegarLoopResult]: For program point L307(lines 307 308) no Hoare annotation was computed. [2020-12-03 01:04:26,479 INFO L262 CegarLoopResult]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2020-12-03 01:04:26,479 INFO L258 CegarLoopResult]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2020-12-03 01:04:26,479 INFO L262 CegarLoopResult]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2020-12-03 01:04:26,479 INFO L262 CegarLoopResult]: For program point L507(lines 507 508) no Hoare annotation was computed. [2020-12-03 01:04:26,479 INFO L262 CegarLoopResult]: For program point L178(lines 178 192) no Hoare annotation was computed. [2020-12-03 01:04:26,479 INFO L262 CegarLoopResult]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2020-12-03 01:04:26,480 INFO L258 CegarLoopResult]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2020-12-03 01:04:26,480 INFO L262 CegarLoopResult]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2020-12-03 01:04:26,480 INFO L262 CegarLoopResult]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2020-12-03 01:04:26,480 INFO L258 CegarLoopResult]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2020-12-03 01:04:26,480 INFO L262 CegarLoopResult]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2020-12-03 01:04:26,480 INFO L262 CegarLoopResult]: For program point L180(lines 180 191) no Hoare annotation was computed. [2020-12-03 01:04:26,481 INFO L262 CegarLoopResult]: For program point L114(lines 114 119) no Hoare annotation was computed. [2020-12-03 01:04:26,481 INFO L262 CegarLoopResult]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2020-12-03 01:04:26,481 INFO L262 CegarLoopResult]: For program point L313(lines 313 334) no Hoare annotation was computed. [2020-12-03 01:04:26,481 INFO L262 CegarLoopResult]: For program point L115(lines 115 118) no Hoare annotation was computed. [2020-12-03 01:04:26,481 INFO L262 CegarLoopResult]: For program point L314(lines 314 321) no Hoare annotation was computed. [2020-12-03 01:04:26,481 INFO L262 CegarLoopResult]: For program point L182(lines 182 190) no Hoare annotation was computed. [2020-12-03 01:04:26,482 INFO L262 CegarLoopResult]: For program point L579(lines 579 588) no Hoare annotation was computed. [2020-12-03 01:04:26,482 INFO L262 CegarLoopResult]: For program point L579-2(lines 579 588) no Hoare annotation was computed. [2020-12-03 01:04:26,482 INFO L262 CegarLoopResult]: For program point L315(lines 315 320) no Hoare annotation was computed. [2020-12-03 01:04:26,482 INFO L262 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-12-03 01:04:26,482 INFO L262 CegarLoopResult]: For program point L515(lines 515 529) no Hoare annotation was computed. [2020-12-03 01:04:26,482 INFO L262 CegarLoopResult]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2020-12-03 01:04:26,483 INFO L262 CegarLoopResult]: For program point L317(lines 317 320) no Hoare annotation was computed. [2020-12-03 01:04:26,483 INFO L262 CegarLoopResult]: For program point L185(lines 185 190) no Hoare annotation was computed. [2020-12-03 01:04:26,483 INFO L262 CegarLoopResult]: For program point L53(lines 53 65) no Hoare annotation was computed. [2020-12-03 01:04:26,483 INFO L262 CegarLoopResult]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2020-12-03 01:04:26,483 INFO L262 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-12-03 01:04:26,483 INFO L262 CegarLoopResult]: For program point L318-2(line 318) no Hoare annotation was computed. [2020-12-03 01:04:26,484 INFO L262 CegarLoopResult]: For program point L186(lines 186 187) no Hoare annotation was computed. [2020-12-03 01:04:26,484 INFO L262 CegarLoopResult]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2020-12-03 01:04:26,484 INFO L262 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2020-12-03 01:04:26,484 INFO L262 CegarLoopResult]: For program point L385(lines 385 393) no Hoare annotation was computed. [2020-12-03 01:04:26,484 INFO L262 CegarLoopResult]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2020-12-03 01:04:26,484 INFO L262 CegarLoopResult]: For program point L584(lines 584 587) no Hoare annotation was computed. [2020-12-03 01:04:26,485 INFO L262 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-12-03 01:04:26,485 INFO L262 CegarLoopResult]: For program point L320-2(line 320) no Hoare annotation was computed. [2020-12-03 01:04:26,485 INFO L262 CegarLoopResult]: For program point L122(lines 122 133) no Hoare annotation was computed. [2020-12-03 01:04:26,485 INFO L262 CegarLoopResult]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2020-12-03 01:04:26,485 INFO L262 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-12-03 01:04:26,485 INFO L262 CegarLoopResult]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2020-12-03 01:04:26,486 INFO L258 CegarLoopResult]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2020-12-03 01:04:26,486 INFO L262 CegarLoopResult]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2020-12-03 01:04:26,486 INFO L258 CegarLoopResult]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2020-12-03 01:04:26,486 INFO L262 CegarLoopResult]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2020-12-03 01:04:26,486 INFO L262 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-12-03 01:04:26,487 INFO L258 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-12-03 01:04:26,487 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-12-03 01:04:26,487 INFO L262 CegarLoopResult]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2020-12-03 01:04:26,487 INFO L262 CegarLoopResult]: For program point L322(lines 322 327) no Hoare annotation was computed. [2020-12-03 01:04:26,487 INFO L258 CegarLoopResult]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2020-12-03 01:04:26,487 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 01:04:26,488 INFO L262 CegarLoopResult]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2020-12-03 01:04:26,488 INFO L258 CegarLoopResult]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2020-12-03 01:04:26,488 INFO L262 CegarLoopResult]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2020-12-03 01:04:26,488 INFO L262 CegarLoopResult]: For program point L323(lines 323 326) no Hoare annotation was computed. [2020-12-03 01:04:26,488 INFO L265 CegarLoopResult]: At program point L590(lines 567 591) the Hoare annotation is: true [2020-12-03 01:04:26,488 INFO L262 CegarLoopResult]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2020-12-03 01:04:26,489 INFO L258 CegarLoopResult]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2020-12-03 01:04:26,489 INFO L262 CegarLoopResult]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2020-12-03 01:04:26,489 INFO L262 CegarLoopResult]: For program point L195(lines 195 196) no Hoare annotation was computed. [2020-12-03 01:04:26,489 INFO L262 CegarLoopResult]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2020-12-03 01:04:26,489 INFO L262 CegarLoopResult]: For program point L63(lines 63 64) no Hoare annotation was computed. [2020-12-03 01:04:26,489 INFO L262 CegarLoopResult]: For program point L526(lines 526 527) no Hoare annotation was computed. [2020-12-03 01:04:26,489 INFO L262 CegarLoopResult]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2020-12-03 01:04:26,490 INFO L262 CegarLoopResult]: For program point L328(lines 328 329) no Hoare annotation was computed. [2020-12-03 01:04:26,490 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-03 01:04:26,490 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2020-12-03 01:04:26,490 INFO L262 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-12-03 01:04:26,490 INFO L262 CegarLoopResult]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2020-12-03 01:04:26,491 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2020-12-03 01:04:26,491 INFO L262 CegarLoopResult]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2020-12-03 01:04:26,491 INFO L262 CegarLoopResult]: For program point L331(lines 331 332) no Hoare annotation was computed. [2020-12-03 01:04:26,491 INFO L262 CegarLoopResult]: For program point L398(lines 398 406) no Hoare annotation was computed. [2020-12-03 01:04:26,491 INFO L262 CegarLoopResult]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2020-12-03 01:04:26,491 INFO L258 CegarLoopResult]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2020-12-03 01:04:26,492 INFO L262 CegarLoopResult]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2020-12-03 01:04:26,492 INFO L262 CegarLoopResult]: For program point L69(lines 69 70) no Hoare annotation was computed. [2020-12-03 01:04:26,492 INFO L262 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-12-03 01:04:26,492 INFO L262 CegarLoopResult]: For program point L136(lines 136 139) no Hoare annotation was computed. [2020-12-03 01:04:26,492 INFO L262 CegarLoopResult]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2020-12-03 01:04:26,492 INFO L262 CegarLoopResult]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2020-12-03 01:04:26,493 INFO L258 CegarLoopResult]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2020-12-03 01:04:26,493 INFO L262 CegarLoopResult]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2020-12-03 01:04:26,493 INFO L262 CegarLoopResult]: For program point L71(lines 71 79) no Hoare annotation was computed. [2020-12-03 01:04:26,493 INFO L262 CegarLoopResult]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2020-12-03 01:04:26,493 INFO L258 CegarLoopResult]: At program point L270-2(lines 270 275) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) (and (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (not (fp.eq ULTIMATE.start___ieee754_pow_~y (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start___ieee754_pow_~x) (= .cse0 ULTIMATE.start_main_~x~0))) [2020-12-03 01:04:26,493 INFO L258 CegarLoopResult]: At program point L204(lines 97 205) the Hoare annotation is: false [2020-12-03 01:04:26,494 INFO L262 CegarLoopResult]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2020-12-03 01:04:26,494 INFO L258 CegarLoopResult]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2020-12-03 01:04:26,494 INFO L262 CegarLoopResult]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2020-12-03 01:04:26,494 INFO L262 CegarLoopResult]: For program point L338(lines 338 351) no Hoare annotation was computed. [2020-12-03 01:04:26,494 INFO L262 CegarLoopResult]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2020-12-03 01:04:26,494 INFO L262 CegarLoopResult]: For program point L339(lines 339 350) no Hoare annotation was computed. [2020-12-03 01:04:26,495 INFO L262 CegarLoopResult]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2020-12-03 01:04:26,495 INFO L258 CegarLoopResult]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2020-12-03 01:04:26,495 INFO L262 CegarLoopResult]: For program point L407(lines 407 412) no Hoare annotation was computed. [2020-12-03 01:04:26,495 INFO L262 CegarLoopResult]: For program point L407-1(lines 381 474) no Hoare annotation was computed. [2020-12-03 01:04:26,495 INFO L262 CegarLoopResult]: For program point L341(lines 341 342) no Hoare annotation was computed. [2020-12-03 01:04:26,495 INFO L262 CegarLoopResult]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2020-12-03 01:04:26,495 INFO L262 CegarLoopResult]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2020-12-03 01:04:26,496 INFO L262 CegarLoopResult]: For program point L276(lines 276 281) no Hoare annotation was computed. [2020-12-03 01:04:26,496 INFO L262 CegarLoopResult]: For program point L276-1(lines 263 562) no Hoare annotation was computed. [2020-12-03 01:04:26,496 INFO L262 CegarLoopResult]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2020-12-03 01:04:26,496 INFO L262 CegarLoopResult]: For program point L343(lines 343 348) no Hoare annotation was computed. [2020-12-03 01:04:26,496 INFO L262 CegarLoopResult]: For program point L344(lines 344 347) no Hoare annotation was computed. [2020-12-03 01:04:26,497 INFO L262 CegarLoopResult]: For program point L80(lines 80 85) no Hoare annotation was computed. [2020-12-03 01:04:26,497 INFO L262 CegarLoopResult]: For program point L477(lines 477 478) no Hoare annotation was computed. [2020-12-03 01:04:26,497 INFO L262 CegarLoopResult]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2020-12-03 01:04:26,497 INFO L262 CegarLoopResult]: For program point L213(lines 213 218) no Hoare annotation was computed. [2020-12-03 01:04:26,497 INFO L262 CegarLoopResult]: For program point L213-1(lines 206 220) no Hoare annotation was computed. [2020-12-03 01:04:26,497 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2020-12-03 01:04:26,498 INFO L258 CegarLoopResult]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2020-12-03 01:04:26,498 INFO L262 CegarLoopResult]: For program point L81(lines 81 84) no Hoare annotation was computed. [2020-12-03 01:04:26,498 INFO L262 CegarLoopResult]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2020-12-03 01:04:26,498 INFO L262 CegarLoopResult]: For program point L346(lines 346 347) no Hoare annotation was computed. [2020-12-03 01:04:26,498 INFO L262 CegarLoopResult]: For program point L149(lines 149 153) no Hoare annotation was computed. [2020-12-03 01:04:26,498 INFO L262 CegarLoopResult]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2020-12-03 01:04:26,498 INFO L262 CegarLoopResult]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2020-12-03 01:04:26,499 INFO L258 CegarLoopResult]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2020-12-03 01:04:26,499 INFO L262 CegarLoopResult]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2020-12-03 01:04:26,499 INFO L262 CegarLoopResult]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2020-12-03 01:04:26,499 INFO L258 CegarLoopResult]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2020-12-03 01:04:26,499 INFO L262 CegarLoopResult]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2020-12-03 01:04:26,499 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 01:04:26,500 INFO L262 CegarLoopResult]: For program point L285(lines 285 286) no Hoare annotation was computed. [2020-12-03 01:04:26,500 INFO L258 CegarLoopResult]: At program point L219(lines 206 220) the Hoare annotation is: false [2020-12-03 01:04:26,500 INFO L262 CegarLoopResult]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2020-12-03 01:04:26,500 INFO L258 CegarLoopResult]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2020-12-03 01:04:26,500 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-03 01:04:26,500 INFO L262 CegarLoopResult]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2020-12-03 01:04:26,501 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-03 01:04:26,501 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-03 01:04:26,501 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-03 01:04:26,501 INFO L262 CegarLoopResult]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2020-12-03 01:04:26,501 INFO L258 CegarLoopResult]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2020-12-03 01:04:26,501 INFO L262 CegarLoopResult]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2020-12-03 01:04:26,502 INFO L258 CegarLoopResult]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2020-12-03 01:04:26,502 INFO L262 CegarLoopResult]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2020-12-03 01:04:26,502 INFO L262 CegarLoopResult]: For program point L552(lines 552 560) no Hoare annotation was computed. [2020-12-03 01:04:26,502 INFO L262 CegarLoopResult]: For program point L288(lines 288 294) no Hoare annotation was computed. [2020-12-03 01:04:26,502 INFO L262 CegarLoopResult]: For program point L356(lines 356 474) no Hoare annotation was computed. [2020-12-03 01:04:26,502 INFO L262 CegarLoopResult]: For program point L290(lines 290 293) no Hoare annotation was computed. [2020-12-03 01:04:26,502 INFO L262 CegarLoopResult]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2020-12-03 01:04:26,503 INFO L262 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2020-12-03 01:04:26,503 INFO L262 CegarLoopResult]: For program point L26-1(lines 19 38) no Hoare annotation was computed. [2020-12-03 01:04:26,503 INFO L262 CegarLoopResult]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2020-12-03 01:04:26,503 INFO L262 CegarLoopResult]: For program point L26-4(lines 19 38) no Hoare annotation was computed. [2020-12-03 01:04:26,503 INFO L262 CegarLoopResult]: For program point L26-6(lines 26 30) no Hoare annotation was computed. [2020-12-03 01:04:26,503 INFO L262 CegarLoopResult]: For program point L26-7(lines 19 38) no Hoare annotation was computed. [2020-12-03 01:04:26,503 INFO L262 CegarLoopResult]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2020-12-03 01:04:26,504 INFO L258 CegarLoopResult]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2020-12-03 01:04:26,504 INFO L262 CegarLoopResult]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2020-12-03 01:04:26,504 INFO L262 CegarLoopResult]: For program point L357(lines 357 362) no Hoare annotation was computed. [2020-12-03 01:04:26,504 INFO L262 CegarLoopResult]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2020-12-03 01:04:26,504 INFO L258 CegarLoopResult]: At program point L93(lines 44 94) the Hoare annotation is: false [2020-12-03 01:04:26,504 INFO L262 CegarLoopResult]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2020-12-03 01:04:26,505 INFO L258 CegarLoopResult]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2020-12-03 01:04:26,505 INFO L262 CegarLoopResult]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2020-12-03 01:04:26,505 INFO L262 CegarLoopResult]: For program point L358(lines 358 359) no Hoare annotation was computed. [2020-12-03 01:04:26,505 INFO L258 CegarLoopResult]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2020-12-03 01:04:26,505 INFO L262 CegarLoopResult]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2020-12-03 01:04:26,505 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-03 01:04:26,506 INFO L262 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-12-03 01:04:26,506 INFO L262 CegarLoopResult]: For program point L359-2(line 359) no Hoare annotation was computed. [2020-12-03 01:04:26,506 INFO L262 CegarLoopResult]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2020-12-03 01:04:26,511 INFO L262 CegarLoopResult]: For program point L360(lines 360 361) no Hoare annotation was computed. [2020-12-03 01:04:26,511 INFO L258 CegarLoopResult]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2020-12-03 01:04:26,511 INFO L262 CegarLoopResult]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2020-12-03 01:04:26,512 INFO L262 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-12-03 01:04:26,512 INFO L262 CegarLoopResult]: For program point L361-2(line 361) no Hoare annotation was computed. [2020-12-03 01:04:26,512 INFO L262 CegarLoopResult]: For program point L163(lines 163 172) no Hoare annotation was computed. [2020-12-03 01:04:26,512 INFO L262 CegarLoopResult]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2020-12-03 01:04:26,512 INFO L262 CegarLoopResult]: For program point L31(lines 31 36) no Hoare annotation was computed. [2020-12-03 01:04:26,512 INFO L262 CegarLoopResult]: For program point L31-1(lines 19 38) no Hoare annotation was computed. [2020-12-03 01:04:26,513 INFO L262 CegarLoopResult]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2020-12-03 01:04:26,513 INFO L262 CegarLoopResult]: For program point L31-3(lines 31 36) no Hoare annotation was computed. [2020-12-03 01:04:26,514 INFO L262 CegarLoopResult]: For program point L31-4(lines 19 38) no Hoare annotation was computed. [2020-12-03 01:04:26,514 INFO L262 CegarLoopResult]: For program point L31-5(lines 31 36) no Hoare annotation was computed. [2020-12-03 01:04:26,515 INFO L262 CegarLoopResult]: For program point L31-6(lines 31 36) no Hoare annotation was computed. [2020-12-03 01:04:26,515 INFO L262 CegarLoopResult]: For program point L31-7(lines 19 38) no Hoare annotation was computed. [2020-12-03 01:04:26,515 INFO L262 CegarLoopResult]: For program point L31-8(lines 31 36) no Hoare annotation was computed. [2020-12-03 01:04:26,515 INFO L262 CegarLoopResult]: For program point L296(lines 296 311) no Hoare annotation was computed. [2020-12-03 01:04:26,515 INFO L262 CegarLoopResult]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2020-12-03 01:04:26,515 INFO L258 CegarLoopResult]: At program point L561(lines 263 562) the Hoare annotation is: (= (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) |ULTIMATE.start___ieee754_pow_#res|) [2020-12-03 01:04:26,517 INFO L262 CegarLoopResult]: For program point L297(lines 297 310) no Hoare annotation was computed. [2020-12-03 01:04:26,517 INFO L262 CegarLoopResult]: For program point L165(lines 165 166) no Hoare annotation was computed. [2020-12-03 01:04:26,517 INFO L262 CegarLoopResult]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2020-12-03 01:04:26,517 INFO L262 CegarLoopResult]: For program point L497(lines 497 502) no Hoare annotation was computed. [2020-12-03 01:04:26,517 INFO L262 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-12-03 01:04:26,517 INFO L262 CegarLoopResult]: For program point L299(lines 299 310) no Hoare annotation was computed. [2020-12-03 01:04:26,517 INFO L262 CegarLoopResult]: For program point L365-2(line 365) no Hoare annotation was computed. [2020-12-03 01:04:26,540 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:04:26 BoogieIcfgContainer [2020-12-03 01:04:26,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 01:04:26,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 01:04:26,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 01:04:26,561 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 01:04:26,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:15" (3/4) ... [2020-12-03 01:04:26,565 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 01:04:26,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-03 01:04:26,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-03 01:04:26,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 01:04:26,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 01:04:26,694 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-03 01:04:26,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 01:04:26,696 INFO L168 Benchmark]: Toolchain (without parser) took 338152.65 ms. Allocated memory was 39.8 MB in the beginning and 60.8 MB in the end (delta: 21.0 MB). Free memory was 16.9 MB in the beginning and 18.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-12-03 01:04:26,697 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 39.8 MB. Free memory is still 22.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:04:26,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.72 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 16.7 MB in the beginning and 25.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:04:26,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.45 ms. Allocated memory is still 50.3 MB. Free memory was 25.1 MB in the beginning and 20.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 01:04:26,698 INFO L168 Benchmark]: Boogie Preprocessor took 115.18 ms. Allocated memory is still 50.3 MB. Free memory was 20.4 MB in the beginning and 28.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-12-03 01:04:26,698 INFO L168 Benchmark]: RCFGBuilder took 86066.26 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 28.4 MB in the beginning and 27.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:04:26,699 INFO L168 Benchmark]: TraceAbstraction took 251016.12 ms. Allocated memory is still 60.8 MB. Free memory was 26.6 MB in the beginning and 34.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-12-03 01:04:26,699 INFO L168 Benchmark]: Witness Printer took 134.77 ms. Allocated memory is still 60.8 MB. Free memory was 34.9 MB in the beginning and 18.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-03 01:04:26,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 39.8 MB. Free memory is still 22.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 703.72 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 16.7 MB in the beginning and 25.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.45 ms. Allocated memory is still 50.3 MB. Free memory was 25.1 MB in the beginning and 20.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.18 ms. Allocated memory is still 50.3 MB. Free memory was 20.4 MB in the beginning and 28.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 86066.26 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 28.4 MB in the beginning and 27.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 251016.12 ms. Allocated memory is still 60.8 MB. Free memory was 26.6 MB in the beginning and 34.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Witness Printer took 134.77 ms. Allocated memory is still 60.8 MB. Free memory was 34.9 MB in the beginning and 18.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant [2020-12-03 01:04:26,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && !~fp.eq~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 263]: Loop Invariant [2020-12-03 01:04:26,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant [2020-12-03 01:04:26,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:04:26,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && 1bv32 == \result - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 247.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 231.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1287 SDtfs, 1764 SDslu, 2255 SDs, 0 SdLazy, 195 SolverSat, 14 SolverUnsat, 81 SolverUnknown, 0 SolverNotchecked, 208.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 26.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 45 NumberOfFragments, 85 HoareAnnotationTreeSize, 37 FomulaSimplifications, 67 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 88 ConstructedInterpolants, 20 QuantifiedInterpolants, 10690 SizeOfPredicates, 38 NumberOfNonLiveVariables, 752 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...