./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0876.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0876.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91622766e67b65f9ff751d0df1362a9ea58f5ab4 .................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0876.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91622766e67b65f9ff751d0df1362a9ea58f5ab4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-096883e [2020-12-01 23:15:52,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:15:52,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:15:52,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:15:52,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:15:52,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:15:52,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:15:52,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:15:52,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:15:52,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:15:52,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:15:52,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:15:52,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:15:52,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:15:52,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:15:52,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:15:52,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:15:52,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:15:52,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:15:52,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:15:52,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:15:52,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:15:52,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:15:52,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:15:52,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:15:52,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:15:52,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:15:52,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:15:52,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:15:52,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:15:52,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:15:52,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:15:52,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:15:52,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:15:52,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:15:52,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:15:52,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:15:52,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:15:52,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:15:52,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:15:52,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:15:52,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:15:52,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:15:52,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:15:52,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:15:52,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:15:52,720 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:15:52,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:15:52,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:15:52,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:15:52,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:15:52,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:15:52,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:15:52,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:15:52,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:15:52,722 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:15:52,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:15:52,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:15:52,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:15:52,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:15:52,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:15:52,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:15:52,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:15:52,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:15:52,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:15:52,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:15:52,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:15:52,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:15:52,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:15:52,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:15:52,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:15:52,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91622766e67b65f9ff751d0df1362a9ea58f5ab4 [2020-12-01 23:15:53,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:15:53,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:15:53,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:15:53,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:15:53,210 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:15:53,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2020-12-01 23:15:53,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75977898/a2fd29aa4f2a4b5ea0e9460a82ffdf86/FLAG5c46c3002 [2020-12-01 23:15:54,075 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:15:54,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2020-12-01 23:15:54,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75977898/a2fd29aa4f2a4b5ea0e9460a82ffdf86/FLAG5c46c3002 [2020-12-01 23:15:54,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75977898/a2fd29aa4f2a4b5ea0e9460a82ffdf86 [2020-12-01 23:15:54,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:15:54,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:15:54,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:15:54,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:15:54,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:15:54,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:15:54" (1/1) ... [2020-12-01 23:15:54,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ca2d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:54, skipping insertion in model container [2020-12-01 23:15:54,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:15:54" (1/1) ... [2020-12-01 23:15:54,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:15:54,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:15:54,678 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:358) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1972) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1046) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1046) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1424) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 23:15:54,686 INFO L168 Benchmark]: Toolchain (without parser) took 331.24 ms. Allocated memory is still 48.2 MB. Free memory was 32.8 MB in the beginning and 21.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:54,687 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 26.1 MB in the beginning and 26.1 MB in the end (delta: 22.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:15:54,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.21 ms. Allocated memory is still 48.2 MB. Free memory was 32.5 MB in the beginning and 21.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:54,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 26.1 MB in the beginning and 26.1 MB in the end (delta: 22.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.21 ms. Allocated memory is still 48.2 MB. Free memory was 32.5 MB in the beginning and 21.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:15:57,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:15:57,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:15:57,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:15:57,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:15:57,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:15:57,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:15:57,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:15:57,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:15:57,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:15:57,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:15:57,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:15:57,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:15:57,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:15:57,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:15:57,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:15:57,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:15:57,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:15:57,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:15:57,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:15:57,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:15:57,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:15:57,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:15:57,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:15:57,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:15:57,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:15:57,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:15:57,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:15:57,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:15:57,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:15:57,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:15:57,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:15:57,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:15:57,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:15:57,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:15:57,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:15:57,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:15:57,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:15:57,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:15:57,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:15:57,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:15:57,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:15:57,304 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:15:57,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:15:57,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:15:57,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:15:57,307 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:15:57,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:15:57,308 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:15:57,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:15:57,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:15:57,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:15:57,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:15:57,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:15:57,310 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:15:57,310 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:15:57,310 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:15:57,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:15:57,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:15:57,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:15:57,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:15:57,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:15:57,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:15:57,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:15:57,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:15:57,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:15:57,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:15:57,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:15:57,314 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:15:57,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:15:57,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:15:57,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:15:57,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:15:57,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91622766e67b65f9ff751d0df1362a9ea58f5ab4 [2020-12-01 23:15:57,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:15:57,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:15:57,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:15:57,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:15:57,747 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:15:57,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2020-12-01 23:15:57,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54561902/7ee694a6c2ff44ac8cbb99be7ae90bfb/FLAG625399df9 [2020-12-01 23:15:58,616 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:15:58,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2020-12-01 23:15:58,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54561902/7ee694a6c2ff44ac8cbb99be7ae90bfb/FLAG625399df9 [2020-12-01 23:15:58,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54561902/7ee694a6c2ff44ac8cbb99be7ae90bfb [2020-12-01 23:15:58,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:15:58,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:15:58,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:15:58,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:15:58,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:15:58,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:15:58" (1/1) ... [2020-12-01 23:15:58,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d8b8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:58, skipping insertion in model container [2020-12-01 23:15:58,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:15:58" (1/1) ... [2020-12-01 23:15:58,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:15:59,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:15:59,359 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0876.c[14628,14641] [2020-12-01 23:15:59,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:15:59,384 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:15:59,534 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0876.c[14628,14641] [2020-12-01 23:15:59,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:15:59,572 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:15:59,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59 WrapperNode [2020-12-01 23:15:59,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:15:59,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:15:59,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:15:59,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:15:59,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:15:59,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:15:59,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:15:59,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:15:59,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... [2020-12-01 23:15:59,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:15:59,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:15:59,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:15:59,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:15:59,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:15:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:15:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:15:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:15:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:15:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:15:59,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:15:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:15:59,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:15:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:15:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:17:26,606 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:17:26,607 INFO L298 CfgBuilder]: Removed 98 assume(true) statements. [2020-12-01 23:17:26,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:17:26 BoogieIcfgContainer [2020-12-01 23:17:26,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:17:26,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:17:26,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:17:26,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:17:26,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:15:58" (1/3) ... [2020-12-01 23:17:26,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488e7105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:17:26, skipping insertion in model container [2020-12-01 23:17:26,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:15:59" (2/3) ... [2020-12-01 23:17:26,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488e7105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:17:26, skipping insertion in model container [2020-12-01 23:17:26,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:17:26" (3/3) ... [2020-12-01 23:17:26,620 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0876.c [2020-12-01 23:17:26,636 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:17:26,640 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:17:26,653 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:17:26,683 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:17:26,683 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:17:26,683 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:17:26,683 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:17:26,684 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:17:26,684 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:17:26,684 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:17:26,684 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:17:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-12-01 23:17:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 23:17:26,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:17:26,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:17:26,711 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:17:26,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:17:26,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1484062990, now seen corresponding path program 1 times [2020-12-01 23:17:26,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:17:26,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815017805] [2020-12-01 23:17:26,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 23:17:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:17:27,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:17:27,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:17:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:17:27,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:17:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:17:27,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815017805] [2020-12-01 23:17:27,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:17:27,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:17:27,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461366943] [2020-12-01 23:17:27,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:17:27,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:17:27,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:17:27,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:17:27,259 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 2 states. [2020-12-01 23:17:27,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:17:27,353 INFO L93 Difference]: Finished difference Result 444 states and 758 transitions. [2020-12-01 23:17:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:17:27,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 23:17:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:17:27,376 INFO L225 Difference]: With dead ends: 444 [2020-12-01 23:17:27,376 INFO L226 Difference]: Without dead ends: 219 [2020-12-01 23:17:27,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:17:27,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-12-01 23:17:27,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2020-12-01 23:17:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-12-01 23:17:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 298 transitions. [2020-12-01 23:17:27,455 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 298 transitions. Word has length 15 [2020-12-01 23:17:27,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:17:27,456 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 298 transitions. [2020-12-01 23:17:27,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:17:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 298 transitions. [2020-12-01 23:17:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 23:17:27,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:17:27,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:17:27,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:17:27,666 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:17:27,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:17:27,668 INFO L82 PathProgramCache]: Analyzing trace with hash 441555186, now seen corresponding path program 1 times [2020-12-01 23:17:27,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:17:27,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652179558] [2020-12-01 23:17:27,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 23:17:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:17:28,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 23:17:28,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:17:28,476 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-01 23:17:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:17:29,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:17:30,314 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-01 23:17:31,034 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-01 23:17:31,957 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-01 23:17:32,884 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-01 23:17:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:17:33,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652179558] [2020-12-01 23:17:33,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:17:33,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-12-01 23:17:33,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328237430] [2020-12-01 23:17:33,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-01 23:17:33,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:17:33,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-01 23:17:33,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-01 23:17:33,028 INFO L87 Difference]: Start difference. First operand 219 states and 298 transitions. Second operand 10 states. [2020-12-01 23:17:33,523 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-01 23:17:34,018 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-01 23:17:34,493 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-01 23:17:44,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:17:44,355 INFO L93 Difference]: Finished difference Result 354 states and 474 transitions. [2020-12-01 23:17:44,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 23:17:44,491 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-12-01 23:17:44,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:17:44,492 INFO L225 Difference]: With dead ends: 354 [2020-12-01 23:17:44,493 INFO L226 Difference]: Without dead ends: 154 [2020-12-01 23:17:44,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-01 23:17:44,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-12-01 23:17:44,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 145. [2020-12-01 23:17:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-12-01 23:17:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 179 transitions. [2020-12-01 23:17:44,514 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 179 transitions. Word has length 19 [2020-12-01 23:17:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:17:44,515 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 179 transitions. [2020-12-01 23:17:44,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-01 23:17:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2020-12-01 23:17:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 23:17:44,516 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:17:44,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:17:44,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:17:44,718 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:17:44,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:17:44,719 INFO L82 PathProgramCache]: Analyzing trace with hash 654842519, now seen corresponding path program 1 times [2020-12-01 23:17:44,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:17:44,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313560035] [2020-12-01 23:17:44,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-01 23:17:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:17:45,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-01 23:17:45,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:17:45,535 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-01 23:17:45,673 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2020-12-01 23:17:45,783 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2020-12-01 23:17:45,785 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 23:17:45,853 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 23:17:45,855 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 23:17:46,065 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-01 23:17:46,065 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 23:17:46,066 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-01 23:17:46,067 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2020-12-01 23:17:46,698 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-01 23:17:47,355 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-01 23:17:48,062 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-01 23:17:49,758 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-01 23:18:02,484 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-01 23:18:15,245 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 30 [2020-12-01 23:18:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:18:15,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:18:19,227 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-01 23:18:20,527 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-01 23:18:21,879 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-01 23:18:21,993 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2020-12-01 23:18:22,084 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2020-12-01 23:18:22,087 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 23:18:22,160 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 23:18:22,161 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 23:18:22,457 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-01 23:18:22,457 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 23:18:22,460 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-01 23:18:22,460 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:73, output treesize:46 [2020-12-01 23:18:25,832 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-01 23:18:28,793 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 23:18:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:18:28,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313560035] [2020-12-01 23:18:28,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:18:28,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2020-12-01 23:18:28,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642765916] [2020-12-01 23:18:28,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-01 23:18:28,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:18:28,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-01 23:18:28,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=255, Unknown=8, NotChecked=0, Total=306 [2020-12-01 23:18:28,845 INFO L87 Difference]: Start difference. First operand 145 states and 179 transitions. Second operand 18 states. [2020-12-01 23:18:31,384 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-01 23:18:35,190 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-01 23:18:40,232 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-01 23:18:44,136 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-01 23:18:49,481 WARN L197 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 23:18:52,191 WARN L197 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 23:18:54,193 WARN L197 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 69 [2020-12-01 23:18:58,669 WARN L197 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 56 [2020-12-01 23:19:10,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:19:10,057 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2020-12-01 23:19:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-01 23:19:10,063 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 21 [2020-12-01 23:19:10,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:19:10,064 INFO L225 Difference]: With dead ends: 164 [2020-12-01 23:19:10,064 INFO L226 Difference]: Without dead ends: 63 [2020-12-01 23:19:10,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 65.4s TimeCoverageRelationStatistics Valid=140, Invalid=502, Unknown=8, NotChecked=0, Total=650 [2020-12-01 23:19:10,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-12-01 23:19:10,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2020-12-01 23:19:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-01 23:19:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2020-12-01 23:19:10,074 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 21 [2020-12-01 23:19:10,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:19:10,075 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2020-12-01 23:19:10,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-01 23:19:10,075 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2020-12-01 23:19:10,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 23:19:10,076 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:19:10,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:19:10,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 23:19:10,291 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:19:10,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:19:10,292 INFO L82 PathProgramCache]: Analyzing trace with hash 656689561, now seen corresponding path program 1 times [2020-12-01 23:19:10,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:19:10,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786535793] [2020-12-01 23:19:10,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-01 23:19:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:19:10,997 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:19:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:19:11,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:19:11,774 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:19:11,775 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:19:11,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-01 23:19:12,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:19:12 BoogieIcfgContainer [2020-12-01 23:19:12,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:19:12,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:19:12,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:19:12,163 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:19:12,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:17:26" (3/4) ... [2020-12-01 23:19:12,166 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:19:12,356 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:19:12,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:19:12,358 INFO L168 Benchmark]: Toolchain (without parser) took 193450.71 ms. Allocated memory was 44.0 MB in the beginning and 75.5 MB in the end (delta: 31.5 MB). Free memory was 29.1 MB in the beginning and 30.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:12,358 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:19:12,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.46 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 35.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:12,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.29 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 29.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:12,360 INFO L168 Benchmark]: Boogie Preprocessor took 134.56 ms. Allocated memory is still 54.5 MB. Free memory was 29.6 MB in the beginning and 23.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:12,364 INFO L168 Benchmark]: RCFGBuilder took 86781.39 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 23.6 MB in the beginning and 39.0 MB in the end (delta: -15.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:12,365 INFO L168 Benchmark]: TraceAbstraction took 105549.55 ms. Allocated memory is still 75.5 MB. Free memory was 38.5 MB in the beginning and 42.0 MB in the end (delta: -3.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:12,366 INFO L168 Benchmark]: Witness Printer took 194.50 ms. Allocated memory is still 75.5 MB. Free memory was 42.0 MB in the beginning and 30.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:19:12,368 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 44.0 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.46 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 35.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.29 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 29.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.56 ms. Allocated memory is still 54.5 MB. Free memory was 29.6 MB in the beginning and 23.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 86781.39 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 23.6 MB in the beginning and 39.0 MB in the end (delta: -15.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 105549.55 ms. Allocated memory is still 75.5 MB. Free memory was 38.5 MB in the beginning and 42.0 MB in the end (delta: -3.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Witness Printer took 194.50 ms. Allocated memory is still 75.5 MB. Free memory was 42.0 MB in the beginning and 30.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 608]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L40-L42] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L95] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L222-L261] static const double bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84962487220764160156e-01, }, dp_l_pow[] = { 0.0, 1.35003920212974897128e-08, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two53_pow = 9007199254740992.0, huge_pow = 1.0e300, tiny_pow = 1.0e-300, L1_pow = 5.99999999999994648725e-01, L2_pow = 4.28571428578550184252e-01, L3_pow = 3.33333329818377432918e-01, L4_pow = 2.72728123808534006489e-01, L5_pow = 2.30660745775561754067e-01, L6_pow = 2.06975017800338417784e-01, P1_pow = 1.66666666666666019037e-01, P2_pow = -2.77777777770155933842e-03, P3_pow = 6.61375632143793436117e-05, P4_pow = -1.65339022054652515390e-06, P5_pow = 4.13813679705723846039e-08, lg2_pow = 6.93147180559945286227e-01, lg2_h_pow = 6.93147182464599609375e-01, lg2_l_pow = -1.90465429995776804525e-09, ovt_pow = 8.0085662595372944372e-0017, cp_pow = 9.61796693925975554329e-01, cp_h_pow = 9.61796700954437255859e-01, cp_l_pow = -7.02846165095275826516e-09, ivln2_pow = 1.44269504088896338700e+00, ivln2_h_pow = 1.44269502162933349609e+00, ivln2_l_pow = 1.92596299112661746887e-08; VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L599] double x = __VERIFIER_nondet_double(); [L600] double y = 1.0 / 0.0; [L207] __uint32_t high; VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L209] ieee_double_shape_type gh_u; [L210] gh_u.value = (x) [L211] EXPR gh_u.parts.msw [L211] (high) = gh_u.parts.msw [L214] ieee_double_shape_type sh_u; [L215] sh_u.value = (x) [L216] sh_u.parts.msw = (high & 0x7fffffff) [L217] EXPR sh_u.value [L217] (x) = sh_u.value [L219] return x; VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L602] COND TRUE fabs_double(x) < 1.0 [L264] double z, ax, z_h, z_l, p_h, p_l; [L265] double y1, t1, t2, r, s, t, u, v, w; [L266] __int32_t i, j, k, yisint, n; [L267] __int32_t hx, hy, ix, iy; [L268] __uint32_t lx, ly; VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L271] ieee_double_shape_type ew_u; [L272] ew_u.value = (x) [L273] EXPR ew_u.parts.msw [L273] (hx) = ew_u.parts.msw [L274] EXPR ew_u.parts.lsw [L274] (lx) = ew_u.parts.lsw [L277] ieee_double_shape_type ew_u; [L278] ew_u.value = (y) [L279] EXPR ew_u.parts.msw [L279] (hy) = ew_u.parts.msw [L280] EXPR ew_u.parts.lsw [L280] (ly) = ew_u.parts.lsw [L282] ix = hx & 0x7fffffff [L283] iy = hy & 0x7fffffff VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L285] COND FALSE !((iy | ly) == 0) VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L288-L289] COND TRUE ix > 0x7ff00000 || ((ix == 0x7ff00000) && (lx != 0)) || iy > 0x7ff00000 || ((iy == 0x7ff00000) && (ly != 0)) VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L290] COND FALSE !(((ix - 0x3ff00000) | lx) == 0) [L293] return __builtin_nan(""); VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L604] double res = __ieee754_pow(x, y); [L607] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L607] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L608] reach_error() VAL [bp_pow={3:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={26:0}, dp_l_pow={-2147483646:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 105.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 52.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 502 SDtfs, 980 SDslu, 733 SDs, 0 SdLazy, 170 SolverSat, 29 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 27.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 71.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred 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, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 48.6s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 55 QuantifiedInterpolants, 26218 SizeOfPredicates, 26 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...