./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc 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/floats-cbmc-regression/float4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21e1a9abd162140b5f110bcc242ded04ef0b9d4e ....................................................................................................................................................................... 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/floats-cbmc-regression/float4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21e1a9abd162140b5f110bcc242ded04ef0b9d4e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:57:18,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:57:18,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:57:18,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:57:18,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:57:18,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:57:18,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:57:18,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:57:18,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:57:18,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:57:18,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:57:18,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:57:18,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:57:18,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:57:18,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:57:18,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:57:18,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:57:18,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:57:18,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:57:18,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:57:18,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:57:18,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:57:18,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:57:18,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:57:18,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:57:18,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:57:18,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:57:18,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:57:18,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:57:18,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:57:18,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:57:18,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:57:18,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:57:18,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:57:18,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:57:18,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:57:18,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:57:18,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:57:18,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:57:18,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:57:18,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:57:18,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 21:57:18,946 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:57:18,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:57:18,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:57:18,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:57:18,948 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:57:18,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:57:18,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:57:18,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 21:57:18,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:57:18,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:57:18,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:57:18,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:57:18,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:57:18,950 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:57:18,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:57:18,951 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:57:18,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:57:18,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:57:18,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:57:18,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:57:18,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:57:18,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:57:18,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:57:18,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:57:18,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:57:18,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 21:57:18,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 21:57:18,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:57:18,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:57:18,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2020-10-24 21:57:19,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:57:19,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:57:19,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:57:19,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:57:19,458 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:57:19,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-10-24 21:57:19,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c926f40a3/b0293a84ef4d45b098ac79dee340dc50/FLAGb580bb681 [2020-10-24 21:57:20,235 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:57:20,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-10-24 21:57:20,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c926f40a3/b0293a84ef4d45b098ac79dee340dc50/FLAGb580bb681 [2020-10-24 21:57:20,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c926f40a3/b0293a84ef4d45b098ac79dee340dc50 [2020-10-24 21:57:20,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:57:20,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:57:20,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:57:20,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:57:20,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:57:20,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:20" (1/1) ... [2020-10-24 21:57:20,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35470e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:20, skipping insertion in model container [2020-10-24 21:57:20,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:20" (1/1) ... [2020-10-24 21:57:20,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:57:20,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:57:21,106 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) 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:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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) [2020-10-24 21:57:21,114 INFO L168 Benchmark]: Toolchain (without parser) took 668.89 ms. Allocated memory is still 48.2 MB. Free memory was 23.0 MB in the beginning and 20.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:21,115 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:57:21,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.40 ms. Allocated memory is still 48.2 MB. Free memory was 22.4 MB in the beginning and 20.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:21,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.40 ms. Allocated memory is still 48.2 MB. Free memory was 22.4 MB in the beginning and 20.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:57:23,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:57:23,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:57:23,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:57:23,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:57:23,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:57:23,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:57:23,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:57:23,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:57:23,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:57:23,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:57:23,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:57:23,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:57:23,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:57:23,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:57:23,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:57:23,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:57:23,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:57:23,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:57:23,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:57:23,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:57:23,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:57:23,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:57:23,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:57:23,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:57:23,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:57:23,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:57:23,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:57:23,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:57:23,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:57:23,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:57:23,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:57:23,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:57:23,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:57:23,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:57:23,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:57:23,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:57:23,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:57:23,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:57:23,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:57:23,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:57:23,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 21:57:23,690 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:57:23,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:57:23,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:57:23,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:57:23,694 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:57:23,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:57:23,695 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:57:23,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:57:23,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:57:23,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:57:23,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:57:23,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:57:23,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 21:57:23,698 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 21:57:23,698 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:57:23,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:57:23,699 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:57:23,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:57:23,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:57:23,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:57:23,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:57:23,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:57:23,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:57:23,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:57:23,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:57:23,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:57:23,701 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 21:57:23,701 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 21:57:23,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:57:23,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:57:23,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 21:57:23,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2020-10-24 21:57:24,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:57:24,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:57:24,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:57:24,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:57:24,145 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:57:24,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-10-24 21:57:24,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d304997/19a2eb44336547ed95567a66075645a0/FLAGadc8353b3 [2020-10-24 21:57:24,934 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:57:24,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-10-24 21:57:24,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d304997/19a2eb44336547ed95567a66075645a0/FLAGadc8353b3 [2020-10-24 21:57:25,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d304997/19a2eb44336547ed95567a66075645a0 [2020-10-24 21:57:25,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:57:25,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:57:25,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:57:25,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:57:25,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:57:25,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:25" (1/1) ... [2020-10-24 21:57:25,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60824f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:25, skipping insertion in model container [2020-10-24 21:57:25,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:25" (1/1) ... [2020-10-24 21:57:25,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:57:25,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:57:26,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:57:26,166 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 21:57:26,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:57:26,705 INFO L208 MainTranslator]: Completed translation [2020-10-24 21:57:26,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26 WrapperNode [2020-10-24 21:57:26,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 21:57:26,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 21:57:26,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 21:57:26,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 21:57:26,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 21:57:26,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 21:57:26,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 21:57:26,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 21:57:26,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (1/1) ... [2020-10-24 21:57:26,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 21:57:26,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 21:57:26,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 21:57:26,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 21:57:26,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (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 [2020-10-24 21:57:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 21:57:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 21:57:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 21:57:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 21:57:29,458 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 21:57:29,459 INFO L298 CfgBuilder]: Removed 94 assume(true) statements. [2020-10-24 21:57:29,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:29 BoogieIcfgContainer [2020-10-24 21:57:29,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 21:57:29,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 21:57:29,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 21:57:29,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 21:57:29,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:57:25" (1/3) ... [2020-10-24 21:57:29,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3016e671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:29, skipping insertion in model container [2020-10-24 21:57:29,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:26" (2/3) ... [2020-10-24 21:57:29,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3016e671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:29, skipping insertion in model container [2020-10-24 21:57:29,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:29" (3/3) ... [2020-10-24 21:57:29,474 INFO L111 eAbstractionObserver]: Analyzing ICFG float4.i [2020-10-24 21:57:29,492 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 21:57:29,498 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2020-10-24 21:57:29,513 INFO L253 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2020-10-24 21:57:29,560 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 21:57:29,561 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 21:57:29,561 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 21:57:29,561 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 21:57:29,561 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 21:57:29,561 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 21:57:29,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 21:57:29,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 21:57:29,591 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-10-24 21:57:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 21:57:29,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:57:29,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:57:29,597 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:57:29,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:57:29,603 INFO L82 PathProgramCache]: Analyzing trace with hash -594068727, now seen corresponding path program 1 times [2020-10-24 21:57:29,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:57:29,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861090687] [2020-10-24 21:57:29,617 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 [2020-10-24 21:57:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:57:29,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 21:57:29,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:57:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:57:29,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:57:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:57:29,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861090687] [2020-10-24 21:57:29,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:57:29,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 21:57:29,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543075249] [2020-10-24 21:57:29,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 21:57:29,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:57:29,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 21:57:29,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 21:57:29,761 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 2 states. [2020-10-24 21:57:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:57:29,793 INFO L93 Difference]: Finished difference Result 312 states and 455 transitions. [2020-10-24 21:57:29,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 21:57:29,795 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 21:57:29,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:57:29,805 INFO L225 Difference]: With dead ends: 312 [2020-10-24 21:57:29,806 INFO L226 Difference]: Without dead ends: 71 [2020-10-24 21:57:29,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 21:57:29,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-24 21:57:29,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-24 21:57:29,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-24 21:57:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 70 transitions. [2020-10-24 21:57:29,852 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 70 transitions. Word has length 9 [2020-10-24 21:57:29,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:57:29,852 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 70 transitions. [2020-10-24 21:57:29,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 21:57:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 70 transitions. [2020-10-24 21:57:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 21:57:29,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:57:29,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:57:30,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 21:57:30,069 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:57:30,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:57:30,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1988011892, now seen corresponding path program 1 times [2020-10-24 21:57:30,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:57:30,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502515018] [2020-10-24 21:57:30,072 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 [2020-10-24 21:57:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:57:30,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-24 21:57:30,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:57:30,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 21:57:31,047 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 21:57:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:57:31,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:57:31,311 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 21:57:31,366 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 21:57:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:57:31,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502515018] [2020-10-24 21:57:31,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:57:31,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 11 [2020-10-24 21:57:31,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602437496] [2020-10-24 21:57:31,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 21:57:31,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:57:31,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 21:57:31,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-24 21:57:31,395 INFO L87 Difference]: Start difference. First operand 71 states and 70 transitions. Second operand 11 states. [2020-10-24 21:57:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:57:40,326 INFO L93 Difference]: Finished difference Result 71 states and 70 transitions. [2020-10-24 21:57:40,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 21:57:40,350 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2020-10-24 21:57:40,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:57:40,351 INFO L225 Difference]: With dead ends: 71 [2020-10-24 21:57:40,351 INFO L226 Difference]: Without dead ends: 41 [2020-10-24 21:57:40,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-10-24 21:57:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-24 21:57:40,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-24 21:57:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-24 21:57:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2020-10-24 21:57:40,365 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 10 [2020-10-24 21:57:40,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:57:40,366 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2020-10-24 21:57:40,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 21:57:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2020-10-24 21:57:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-24 21:57:40,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:57:40,367 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, 1, 1, 1, 1, 1] [2020-10-24 21:57:40,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 21:57:40,569 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:57:40,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:57:40,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1073076484, now seen corresponding path program 1 times [2020-10-24 21:57:40,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:57:40,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775888953] [2020-10-24 21:57:40,572 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 [2020-10-24 21:57:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:57:42,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 21:57:42,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:57:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:57:44,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:57:47,366 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-10-24 21:57:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:57:49,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775888953] [2020-10-24 21:57:49,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:57:49,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 6 [2020-10-24 21:57:49,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748785031] [2020-10-24 21:57:49,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 21:57:49,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:57:49,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 21:57:49,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-24 21:57:49,555 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 6 states. [2020-10-24 21:57:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:57:59,290 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2020-10-24 21:57:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 21:57:59,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-24 21:57:59,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:57:59,315 INFO L225 Difference]: With dead ends: 41 [2020-10-24 21:57:59,316 INFO L226 Difference]: Without dead ends: 38 [2020-10-24 21:57:59,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-24 21:57:59,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-24 21:57:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-24 21:57:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-24 21:57:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 37 transitions. [2020-10-24 21:57:59,320 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 37 transitions. Word has length 26 [2020-10-24 21:57:59,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:57:59,321 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 37 transitions. [2020-10-24 21:57:59,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 21:57:59,321 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 37 transitions. [2020-10-24 21:57:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-24 21:57:59,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:57:59,322 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:57:59,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 21:57:59,528 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:57:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:57:59,529 INFO L82 PathProgramCache]: Analyzing trace with hash 445167379, now seen corresponding path program 1 times [2020-10-24 21:57:59,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:57:59,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854077219] [2020-10-24 21:57:59,531 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 [2020-10-24 21:58:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:58:02,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-24 21:58:02,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:58:07,538 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2020-10-24 21:58:13,574 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (fp.mul roundNearestTiesToEven .cse1 .cse1)) ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)))) is different from false [2020-10-24 21:58:15,583 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (fp.mul roundNearestTiesToEven .cse1 .cse1)) ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)))) is different from true [2020-10-24 21:58:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:58:19,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:58:26,481 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-10-24 21:58:26,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:58:26,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854077219] [2020-10-24 21:58:26,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:58:26,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 3] imperfect sequences [] total 8 [2020-10-24 21:58:26,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391496944] [2020-10-24 21:58:26,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 21:58:26,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:58:26,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 21:58:26,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=21, Unknown=6, NotChecked=10, Total=56 [2020-10-24 21:58:26,629 INFO L87 Difference]: Start difference. First operand 38 states and 37 transitions. Second operand 8 states. [2020-10-24 21:59:02,960 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 14 [2020-10-24 21:59:05,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:59:05,925 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2020-10-24 21:59:05,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 21:59:05,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-24 21:59:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:59:05,955 INFO L225 Difference]: With dead ends: 38 [2020-10-24 21:59:05,955 INFO L226 Difference]: Without dead ends: 35 [2020-10-24 21:59:05,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=26, Invalid=28, Unknown=6, NotChecked=12, Total=72 [2020-10-24 21:59:05,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-24 21:59:05,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-24 21:59:05,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-24 21:59:05,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-10-24 21:59:05,966 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 28 [2020-10-24 21:59:05,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:59:05,966 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-10-24 21:59:05,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 21:59:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-10-24 21:59:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-24 21:59:05,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:59:05,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:59:06,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 21:59:06,179 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:59:06,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:59:06,180 INFO L82 PathProgramCache]: Analyzing trace with hash 831109440, now seen corresponding path program 1 times [2020-10-24 21:59:06,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:59:06,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302879085] [2020-10-24 21:59:06,182 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 [2020-10-24 21:59:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:59:09,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 21:59:09,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:59:15,602 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2020-10-24 21:59:17,626 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2020-10-24 21:59:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:59:21,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:59:29,146 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 6 [2020-10-24 21:59:31,507 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) c_ULTIMATE.start_main_~f~0)) is different from true [2020-10-24 21:59:33,541 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2020-10-24 21:59:35,568 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2020-10-24 21:59:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:59:35,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302879085] [2020-10-24 21:59:35,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:59:35,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-10-24 21:59:35,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133575999] [2020-10-24 21:59:35,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 21:59:35,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:59:35,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 21:59:35,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2020-10-24 21:59:35,589 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 9 states. [2020-10-24 21:59:38,023 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0))))) is different from false [2020-10-24 21:59:50,786 WARN L193 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2020-10-24 22:00:00,419 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification that was a NOOP. DAG size: 13 [2020-10-24 22:00:05,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:00:05,287 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2020-10-24 22:00:05,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 22:00:05,313 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2020-10-24 22:00:05,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:00:05,313 INFO L225 Difference]: With dead ends: 35 [2020-10-24 22:00:05,313 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 22:00:05,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 37.7s TimeCoverageRelationStatistics Valid=32, Invalid=30, Unknown=10, NotChecked=60, Total=132 [2020-10-24 22:00:05,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 22:00:05,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 22:00:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 22:00:05,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 22:00:05,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2020-10-24 22:00:05,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:00:05,315 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 22:00:05,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 22:00:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 22:00:05,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 22:00:05,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 22:00:05,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 22:00:05,523 INFO L274 CegarLoopResult]: For program point L2-1(lines 2 4) no Hoare annotation was computed. [2020-10-24 22:00:05,523 INFO L274 CegarLoopResult]: For program point L1026-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,524 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,524 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,531 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 22:00:05,531 INFO L274 CegarLoopResult]: For program point L1027-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,531 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-24 22:00:05,531 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,532 INFO L274 CegarLoopResult]: For program point L1028-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,532 INFO L274 CegarLoopResult]: For program point L995-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,532 INFO L274 CegarLoopResult]: For program point L1029-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,532 INFO L274 CegarLoopResult]: For program point L996-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,532 INFO L274 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L997-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L964-2(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L964-3(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L964-4(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L964-6(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L964-7(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L964-8(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L964-10(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,533 INFO L274 CegarLoopResult]: For program point L964-11(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-12(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-14(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-15(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-16(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-18(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-19(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-20(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-22(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-23(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-24(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-26(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,534 INFO L274 CegarLoopResult]: For program point L964-27(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,535 INFO L274 CegarLoopResult]: For program point L964-28(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,535 INFO L274 CegarLoopResult]: For program point L964-30(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,535 INFO L274 CegarLoopResult]: For program point L964-31(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,535 INFO L274 CegarLoopResult]: For program point L998-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,535 INFO L274 CegarLoopResult]: For program point L964-32(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,536 INFO L274 CegarLoopResult]: For program point L964-34(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,536 INFO L274 CegarLoopResult]: For program point L964-35(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,536 INFO L274 CegarLoopResult]: For program point L964-36(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,536 INFO L274 CegarLoopResult]: For program point L964-38(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,536 INFO L274 CegarLoopResult]: For program point L964-39(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,536 INFO L274 CegarLoopResult]: For program point L964-40(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,536 INFO L274 CegarLoopResult]: For program point L964-42(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-43(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-44(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-46(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-47(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-48(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-50(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-51(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-52(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,537 INFO L274 CegarLoopResult]: For program point L964-54(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,540 INFO L274 CegarLoopResult]: For program point L964-55(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,540 INFO L274 CegarLoopResult]: For program point L964-56(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,540 INFO L274 CegarLoopResult]: For program point L964-58(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,540 INFO L274 CegarLoopResult]: For program point L964-59(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,540 INFO L274 CegarLoopResult]: For program point L964-60(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,540 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,540 INFO L274 CegarLoopResult]: For program point L964-62(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,540 INFO L274 CegarLoopResult]: For program point L999-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-63(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-64(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-66(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-67(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-68(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-70(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-71(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-72(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-74(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-75(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-76(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,541 INFO L274 CegarLoopResult]: For program point L964-78(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-79(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-80(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-82(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-83(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-84(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-86(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-87(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-88(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-90(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-91(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,542 INFO L274 CegarLoopResult]: For program point L964-92(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,543 INFO L274 CegarLoopResult]: For program point L1000-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,543 INFO L274 CegarLoopResult]: For program point L964-94(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,543 INFO L274 CegarLoopResult]: For program point L964-95(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,543 INFO L274 CegarLoopResult]: For program point L964-96(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,543 INFO L274 CegarLoopResult]: For program point L964-98(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,543 INFO L274 CegarLoopResult]: For program point L964-99(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,544 INFO L274 CegarLoopResult]: For program point L964-100(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,544 INFO L274 CegarLoopResult]: For program point L964-102(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,544 INFO L274 CegarLoopResult]: For program point L964-103(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,544 INFO L274 CegarLoopResult]: For program point L964-104(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,544 INFO L274 CegarLoopResult]: For program point L964-106(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,544 INFO L274 CegarLoopResult]: For program point L964-107(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,546 INFO L274 CegarLoopResult]: For program point L964-108(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point L964-110(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point L964-111(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point L964-112(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point L964-114(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point L964-115(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point L964-116(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point L964-118(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,547 INFO L274 CegarLoopResult]: For program point L964-119(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,549 INFO L274 CegarLoopResult]: For program point L964-120(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,549 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,550 INFO L274 CegarLoopResult]: For program point L964-122(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,550 INFO L274 CegarLoopResult]: For program point L964-123(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,550 INFO L274 CegarLoopResult]: For program point L1001-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,550 INFO L274 CegarLoopResult]: For program point L964-124(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,550 INFO L274 CegarLoopResult]: For program point L964-126(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,550 INFO L274 CegarLoopResult]: For program point L964-127(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,550 INFO L274 CegarLoopResult]: For program point L964-128(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,551 INFO L274 CegarLoopResult]: For program point L964-130(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,551 INFO L274 CegarLoopResult]: For program point L964-131(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,551 INFO L274 CegarLoopResult]: For program point L964-132(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,551 INFO L274 CegarLoopResult]: For program point L964-134(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,551 INFO L274 CegarLoopResult]: For program point L964-135(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,551 INFO L274 CegarLoopResult]: For program point L964-136(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,552 INFO L274 CegarLoopResult]: For program point L964-138(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,552 INFO L274 CegarLoopResult]: For program point L964-139(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,556 INFO L274 CegarLoopResult]: For program point L964-140(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,556 INFO L274 CegarLoopResult]: For program point L964-142(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-143(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-144(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-146(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-147(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-148(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-150(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-151(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-152(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-154(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-155(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,557 INFO L274 CegarLoopResult]: For program point L964-156(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,558 INFO L274 CegarLoopResult]: For program point L964-158(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,558 INFO L274 CegarLoopResult]: For program point L964-159(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,558 INFO L274 CegarLoopResult]: For program point L964-160(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,558 INFO L274 CegarLoopResult]: For program point L964-162(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,558 INFO L274 CegarLoopResult]: For program point L964-163(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,558 INFO L274 CegarLoopResult]: For program point L964-164(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,558 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,558 INFO L274 CegarLoopResult]: For program point L964-166(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,559 INFO L274 CegarLoopResult]: For program point L964-167(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,559 INFO L274 CegarLoopResult]: For program point L964-168(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,559 INFO L274 CegarLoopResult]: For program point L964-170(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,559 INFO L274 CegarLoopResult]: For program point L964-171(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,559 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,559 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,560 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,560 INFO L274 CegarLoopResult]: For program point L1004-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,560 INFO L274 CegarLoopResult]: For program point L1005-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,560 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,560 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,560 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,561 INFO L274 CegarLoopResult]: For program point L1006-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,568 INFO L274 CegarLoopResult]: For program point L1007-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,568 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,568 INFO L274 CegarLoopResult]: For program point L1008-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,568 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,568 INFO L274 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-10-24 22:00:05,569 INFO L274 CegarLoopResult]: For program point L1009-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,569 INFO L274 CegarLoopResult]: For program point L976-2(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,569 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,569 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,569 INFO L274 CegarLoopResult]: For program point L977-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,569 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 22:00:05,569 INFO L274 CegarLoopResult]: For program point L978-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,570 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,570 INFO L274 CegarLoopResult]: For program point L1012-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,570 INFO L274 CegarLoopResult]: For program point L979-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,570 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,570 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,570 INFO L274 CegarLoopResult]: For program point L1013-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,570 INFO L274 CegarLoopResult]: For program point L980-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,571 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,571 INFO L274 CegarLoopResult]: For program point L1014-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,571 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,571 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,572 INFO L274 CegarLoopResult]: For program point L1015-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 22:00:05,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,572 INFO L274 CegarLoopResult]: For program point L1016-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point L983-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point L1017-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point L984-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point L1018-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point L985-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point L1019-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point L986-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,573 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,574 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,574 INFO L274 CegarLoopResult]: For program point L987-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,574 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,574 INFO L274 CegarLoopResult]: For program point L1022-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,574 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,574 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 22:00:05,574 INFO L274 CegarLoopResult]: For program point L1023-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,575 INFO L274 CegarLoopResult]: For program point L990-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,575 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,575 INFO L274 CegarLoopResult]: For program point L1024-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,575 INFO L274 CegarLoopResult]: For program point L991-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,576 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,576 INFO L274 CegarLoopResult]: For program point L1025-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,576 INFO L274 CegarLoopResult]: For program point L992-1(lines 967 1031) no Hoare annotation was computed. [2020-10-24 22:00:05,577 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,577 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 22:00:05,577 INFO L274 CegarLoopResult]: For program point L2(lines 2 4) no Hoare annotation was computed. [2020-10-24 22:00:05,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:00:05 BoogieIcfgContainer [2020-10-24 22:00:05,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 22:00:05,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 22:00:05,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 22:00:05,586 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 22:00:05,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:29" (3/4) ... [2020-10-24 22:00:05,590 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 22:00:05,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-24 22:00:05,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 22:00:05,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 22:00:05,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 22:00:05,783 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 22:00:05,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 22:00:05,785 INFO L168 Benchmark]: Toolchain (without parser) took 160582.29 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 35.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 22:00:05,785 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory was 26.0 MB in the beginning and 26.0 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:00:05,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1493.11 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 41.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2020-10-24 22:00:05,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.70 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 37.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:00:05,787 INFO L168 Benchmark]: Boogie Preprocessor took 82.94 ms. Allocated memory is still 69.2 MB. Free memory was 37.7 MB in the beginning and 34.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 22:00:05,787 INFO L168 Benchmark]: RCFGBuilder took 2537.98 ms. Allocated memory is still 69.2 MB. Free memory was 34.9 MB in the beginning and 25.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-10-24 22:00:05,788 INFO L168 Benchmark]: TraceAbstraction took 156119.35 ms. Allocated memory is still 69.2 MB. Free memory was 25.5 MB in the beginning and 44.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-24 22:00:05,788 INFO L168 Benchmark]: Witness Printer took 197.52 ms. Allocated memory is still 69.2 MB. Free memory was 44.2 MB in the beginning and 35.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-24 22:00:05,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory was 26.0 MB in the beginning and 26.0 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1493.11 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 41.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.70 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 37.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.94 ms. Allocated memory is still 69.2 MB. Free memory was 37.7 MB in the beginning and 34.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2537.98 ms. Allocated memory is still 69.2 MB. Free memory was 34.9 MB in the beginning and 25.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 156119.35 ms. Allocated memory is still 69.2 MB. Free memory was 25.5 MB in the beginning and 44.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Witness Printer took 197.52 ms. Allocated memory is still 69.2 MB. Free memory was 44.2 MB in the beginning and 35.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 224 locations, 43 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 155.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 87.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 117 SDtfs, 286 SDslu, 56 SDs, 0 SdLazy, 185 SolverSat, 15 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 63.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 175 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 63.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 8.2s SatisfiabilityAnalysisTime, 58.4s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 204 ConstructedInterpolants, 10 QuantifiedInterpolants, 46556 SizeOfPredicates, 14 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...