./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0875.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/float_req_bl_0875.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 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:43:23,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:43:23,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:43:23,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:43:23,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:43:23,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:43:23,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:43:23,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:43:23,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:43:24,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:43:24,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:43:24,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:43:24,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:43:24,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:43:24,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:43:24,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:43:24,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:43:24,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:43:24,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:43:24,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:43:24,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:43:24,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:43:24,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:43:24,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:43:24,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:43:24,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:43:24,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:43:24,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:43:24,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:43:24,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:43:24,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:43:24,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:43:24,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:43:24,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:43:24,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:43:24,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:43:24,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:43:24,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:43:24,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:43:24,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:43:24,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:43:24,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:43:24,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:43:24,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:43:24,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:43:24,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:43:24,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:43:24,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:43:24,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:43:24,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:43:24,060 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:43:24,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:43:24,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:43:24,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:43:24,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:43:24,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:43:24,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:43:24,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:43:24,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:43:24,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:43:24,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:43:24,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:43:24,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:43:24,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:43:24,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:43:24,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:43:24,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:43:24,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:43:24,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:43:24,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:43:24,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:43:24,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:43:24,065 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:43:24,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:43:24,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:43:24,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e [2022-02-20 16:43:24,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:43:24,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:43:24,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:43:24,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:43:24,339 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:43:24,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0875.c [2022-02-20 16:43:24,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1120c7ed7/91c79148235b48cca3643897a82d1d3e/FLAG20406ffdc [2022-02-20 16:43:24,865 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:43:24,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0875.c [2022-02-20 16:43:24,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1120c7ed7/91c79148235b48cca3643897a82d1d3e/FLAG20406ffdc [2022-02-20 16:43:25,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1120c7ed7/91c79148235b48cca3643897a82d1d3e [2022-02-20 16:43:25,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:43:25,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:43:25,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:43:25,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:43:25,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:43:25,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:43:25" (1/1) ... [2022-02-20 16:43:25,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1198015e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:25, skipping insertion in model container [2022-02-20 16:43:25,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:43:25" (1/1) ... [2022-02-20 16:43:25,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:43:25,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:43:25,630 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:837) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$50(StandardFunctionHandler.java:415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1442) 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:2034) 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:1645) 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:1076) 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:1622) 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:1076) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1465) 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:3271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2356) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-02-20 16:43:25,638 INFO L158 Benchmark]: Toolchain (without parser) took 267.07ms. Allocated memory is still 104.9MB. Free memory was 71.9MB in the beginning and 75.7MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:43:25,639 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:43:25,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.17ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 75.7MB in the end (delta: -4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 16:43:25,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.17ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 75.7MB in the end (delta: -4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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:837) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/float_req_bl_0875.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 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:43:27,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:43:27,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:43:27,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:43:27,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:43:27,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:43:27,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:43:27,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:43:27,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:43:27,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:43:27,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:43:27,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:43:27,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:43:27,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:43:27,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:43:27,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:43:27,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:43:27,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:43:27,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:43:27,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:43:27,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:43:27,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:43:27,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:43:27,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:43:27,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:43:27,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:43:27,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:43:27,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:43:27,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:43:27,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:43:27,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:43:27,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:43:27,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:43:27,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:43:27,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:43:27,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:43:27,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:43:27,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:43:27,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:43:27,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:43:27,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:43:27,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:43:27,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:43:27,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:43:27,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:43:27,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:43:27,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:43:27,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:43:27,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:43:27,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:43:27,420 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:43:27,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:43:27,420 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:43:27,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:43:27,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:43:27,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:43:27,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:43:27,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:43:27,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:43:27,422 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:43:27,422 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:43:27,422 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:43:27,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:43:27,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:43:27,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:43:27,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:43:27,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:43:27,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:43:27,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:43:27,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:43:27,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:43:27,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:43:27,432 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:43:27,432 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:43:27,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:43:27,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:43:27,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:43:27,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:43:27,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e [2022-02-20 16:43:27,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:43:27,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:43:27,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:43:27,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:43:27,750 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:43:27,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0875.c [2022-02-20 16:43:27,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb860128/c231d9e215e84d7382081f119887e754/FLAG527d89b61 [2022-02-20 16:43:28,271 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:43:28,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0875.c [2022-02-20 16:43:28,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb860128/c231d9e215e84d7382081f119887e754/FLAG527d89b61 [2022-02-20 16:43:28,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb860128/c231d9e215e84d7382081f119887e754 [2022-02-20 16:43:28,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:43:28,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:43:28,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:43:28,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:43:28,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:43:28,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:43:28" (1/1) ... [2022-02-20 16:43:28,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703ad281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:28, skipping insertion in model container [2022-02-20 16:43:28,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:43:28" (1/1) ... [2022-02-20 16:43:28,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:43:28,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:43:29,189 WARN L230 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/float_req_bl_0875.c[14084,14097] [2022-02-20 16:43:29,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:43:29,216 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:43:29,351 WARN L230 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/float_req_bl_0875.c[14084,14097] [2022-02-20 16:43:29,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:43:29,368 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:43:29,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29 WrapperNode [2022-02-20 16:43:29,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:43:29,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:43:29,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:43:29,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:43:29,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,487 INFO L137 Inliner]: procedures = 26, calls = 193, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 739 [2022-02-20 16:43:29,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:43:29,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:43:29,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:43:29,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:43:29,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:43:29,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:43:29,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:43:29,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:43:29,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (1/1) ... [2022-02-20 16:43:29,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:43:29,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:43:29,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:43:29,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:43:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:43:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:43:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:43:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-02-20 16:43:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-02-20 16:43:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-02-20 16:43:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:43:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-02-20 16:43:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-02-20 16:43:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-02-20 16:43:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-02-20 16:43:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:43:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:43:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:43:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:43:29,837 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:43:29,838 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:43:52,430 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:43:52,444 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:43:52,444 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2022-02-20 16:43:52,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:43:52 BoogieIcfgContainer [2022-02-20 16:43:52,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:43:52,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:43:52,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:43:52,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:43:52,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:43:28" (1/3) ... [2022-02-20 16:43:52,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5b84a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:43:52, skipping insertion in model container [2022-02-20 16:43:52,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:29" (2/3) ... [2022-02-20 16:43:52,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5b84a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:43:52, skipping insertion in model container [2022-02-20 16:43:52,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:43:52" (3/3) ... [2022-02-20 16:43:52,458 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0875.c [2022-02-20 16:43:52,463 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:43:52,463 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:43:52,509 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:43:52,513 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:43:52,513 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:43:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 191 states have (on average 1.7172774869109948) internal successors, (328), 192 states have internal predecessors, (328), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:43:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 16:43:52,540 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:43:52,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:43:52,541 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:43:52,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:43:52,549 INFO L85 PathProgramCache]: Analyzing trace with hash 703028076, now seen corresponding path program 1 times [2022-02-20 16:43:52,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:43:52,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428094667] [2022-02-20 16:43:52,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:43:52,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:43:52,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:43:52,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:43:52,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:43:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:43:53,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:43:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:43:53,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:43:53,522 INFO L290 TraceCheckUtils]: 0: Hoare triple {203#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(20bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~one_fmod~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := 4bv32, 0bv32;call #Ultimate.allocInit(8bv32, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~Pluszero~DOUBLE())), ~#Zero_fmod~0.base, ~bvadd32(4bv32, ~#Zero_fmod~0.offset), 4bv32);~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~two25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~twom25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.9802322388E-8));~huge_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~#bp_pow~0.base, ~#bp_pow~0.offset := 5bv32, 0bv32;call #Ultimate.allocInit(8bv32, 5bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0)), ~#bp_pow~0.base, ~#bp_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5)), ~#bp_pow~0.base, ~bvadd32(4bv32, ~#bp_pow~0.offset), 4bv32);~#dp_h_pow~0.base, ~#dp_h_pow~0.offset := 6bv32, 0bv32;call #Ultimate.allocInit(8bv32, 6bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_h_pow~0.base, ~#dp_h_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.584960938)), ~#dp_h_pow~0.base, ~bvadd32(4bv32, ~#dp_h_pow~0.offset), 4bv32);~#dp_l_pow~0.base, ~#dp_l_pow~0.offset := 7bv32, 0bv32;call #Ultimate.allocInit(8bv32, 7bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_l_pow~0.base, ~#dp_l_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.56322085E-6)), ~#dp_l_pow~0.base, ~bvadd32(4bv32, ~#dp_l_pow~0.offset), 4bv32);~zero_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~one_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~two_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0));~two24_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.6777216E7));~huge_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~L1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.60000002384));~L2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.42857143283));~L3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327));~L4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.27272811532));~L5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.23066075146));~L6_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20697501302));~P1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8));~lg2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69314718246));~lg2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.693145752));~lg2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.42860654E-6));~ovt_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.2995665694E-8));~cp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179670095));~cp_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179199219));~cp_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.7017383622E-6));~ivln2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~ivln2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426879883));~ivln2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.0526075433E-6)); {203#true} is VALID [2022-02-20 16:43:53,523 INFO L290 TraceCheckUtils]: 1: Hoare triple {203#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet64#1, main_#t~ret65#1, main_#t~ret66#1, main_#t~ret67#1, main_#t~short68#1, main_~res~0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet64#1;havoc main_#t~nondet64#1;main_~y~0#1 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT()); {203#true} is VALID [2022-02-20 16:43:53,523 INFO L272 TraceCheckUtils]: 2: Hoare triple {203#true} call main_#t~ret65#1 := fabs_float(main_~x~0#1); {203#true} is VALID [2022-02-20 16:43:53,524 INFO L290 TraceCheckUtils]: 3: Hoare triple {203#true} ~x := #in~x;havoc ~ix~4; {203#true} is VALID [2022-02-20 16:43:53,524 INFO L290 TraceCheckUtils]: 4: Hoare triple {203#true} assume !true; {203#true} is VALID [2022-02-20 16:43:53,524 INFO L290 TraceCheckUtils]: 5: Hoare triple {203#true} assume !true; {203#true} is VALID [2022-02-20 16:43:53,524 INFO L290 TraceCheckUtils]: 6: Hoare triple {203#true} #res := ~x; {203#true} is VALID [2022-02-20 16:43:53,525 INFO L290 TraceCheckUtils]: 7: Hoare triple {203#true} assume true; {203#true} is VALID [2022-02-20 16:43:53,525 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {203#true} {203#true} #838#return; {203#true} is VALID [2022-02-20 16:43:53,525 INFO L290 TraceCheckUtils]: 9: Hoare triple {203#true} assume ~fp.gt~FLOAT(main_#t~ret65#1, ~convertINTToFLOAT(currentRoundingMode, 1bv32));havoc main_#t~ret65#1;assume { :begin_inline___ieee754_powf } true;__ieee754_powf_#in~x#1, __ieee754_powf_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc __ieee754_powf_#res#1;havoc __ieee754_powf_#t~mem27#1, __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, __ieee754_powf_#t~mem28#1, __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, __ieee754_powf_#t~ite29#1, __ieee754_powf_#t~ite30#1, __ieee754_powf_#t~ret31#1, __ieee754_powf_#t~ret32#1, __ieee754_powf_#t~ite33#1, __ieee754_powf_#t~ite34#1, __ieee754_powf_#t~mem35#1, __ieee754_powf_~#gf_u~10#1.base, __ieee754_powf_~#gf_u~10#1.offset, __ieee754_powf_#t~mem36#1, __ieee754_powf_~#sf_u~7#1.base, __ieee754_powf_~#sf_u~7#1.offset, __ieee754_powf_#t~mem37#1, __ieee754_powf_~#gf_u~11#1.base, __ieee754_powf_~#gf_u~11#1.offset, __ieee754_powf_#t~mem38#1, __ieee754_powf_~#sf_u~8#1.base, __ieee754_powf_~#sf_u~8#1.offset, __ieee754_powf_#t~mem39#1, __ieee754_powf_#t~mem40#1, __ieee754_powf_#t~mem41#1, __ieee754_powf_~#gf_u~12#1.base, __ieee754_powf_~#gf_u~12#1.offset, __ieee754_powf_#t~mem42#1, __ieee754_powf_~#sf_u~9#1.base, __ieee754_powf_~#sf_u~9#1.offset, __ieee754_powf_#t~mem43#1, __ieee754_powf_~#sf_u~10#1.base, __ieee754_powf_~#sf_u~10#1.offset, __ieee754_powf_#t~mem44#1, __ieee754_powf_#t~mem45#1, __ieee754_powf_~#gf_u~13#1.base, __ieee754_powf_~#gf_u~13#1.offset, __ieee754_powf_#t~mem46#1, __ieee754_powf_~#sf_u~11#1.base, __ieee754_powf_~#sf_u~11#1.offset, __ieee754_powf_#t~mem47#1, __ieee754_powf_~#gf_u~14#1.base, __ieee754_powf_~#gf_u~14#1.offset, __ieee754_powf_#t~mem48#1, __ieee754_powf_~#sf_u~12#1.base, __ieee754_powf_~#sf_u~12#1.offset, __ieee754_powf_#t~mem49#1, __ieee754_powf_#t~mem50#1, __ieee754_powf_#t~mem51#1, __ieee754_powf_~#gf_u~15#1.base, __ieee754_powf_~#gf_u~15#1.offset, __ieee754_powf_#t~mem52#1, __ieee754_powf_~#sf_u~13#1.base, __ieee754_powf_~#sf_u~13#1.offset, __ieee754_powf_#t~mem53#1, __ieee754_powf_~s2~0#1, __ieee754_powf_~s_h~0#1, __ieee754_powf_~s_l~0#1, __ieee754_powf_~t_h~0#1, __ieee754_powf_~t_l~0#1, __ieee754_powf_#t~mem54#1, __ieee754_powf_~#gf_u~16#1.base, __ieee754_powf_~#gf_u~16#1.offset, __ieee754_powf_#t~mem55#1, __ieee754_powf_~#sf_u~14#1.base, __ieee754_powf_~#sf_u~14#1.offset, __ieee754_powf_#t~mem56#1, __ieee754_powf_~#gf_u~17#1.base, __ieee754_powf_~#gf_u~17#1.offset, __ieee754_powf_#t~mem57#1, __ieee754_powf_~#sf_u~15#1.base, __ieee754_powf_~#sf_u~15#1.offset, __ieee754_powf_#t~mem58#1, __ieee754_powf_~#gf_u~18#1.base, __ieee754_powf_~#gf_u~18#1.offset, __ieee754_powf_#t~mem59#1, __ieee754_powf_~#sf_u~16#1.base, __ieee754_powf_~#sf_u~16#1.offset, __ieee754_powf_#t~mem60#1, __ieee754_powf_~#gf_u~19#1.base, __ieee754_powf_~#gf_u~19#1.offset, __ieee754_powf_#t~ret61#1, __ieee754_powf_#t~mem62#1, __ieee754_powf_~#sf_u~17#1.base, __ieee754_powf_~#sf_u~17#1.offset, __ieee754_powf_~x#1, __ieee754_powf_~y#1, __ieee754_powf_~z~1#1, __ieee754_powf_~ax~0#1, __ieee754_powf_~z_h~0#1, __ieee754_powf_~z_l~0#1, __ieee754_powf_~p_h~0#1, __ieee754_powf_~p_l~0#1, __ieee754_powf_~y1~0#1, __ieee754_powf_~t1~0#1, __ieee754_powf_~t2~0#1, __ieee754_powf_~r~1#1, __ieee754_powf_~s~1#1, __ieee754_powf_~t~1#1, __ieee754_powf_~u~0#1, __ieee754_powf_~v~0#1, __ieee754_powf_~w~0#1, __ieee754_powf_~i~2#1, __ieee754_powf_~j~0#1, __ieee754_powf_~k~1#1, __ieee754_powf_~yisint~0#1, __ieee754_powf_~n~1#1, __ieee754_powf_~hx~3#1, __ieee754_powf_~hy~1#1, __ieee754_powf_~ix~5#1, __ieee754_powf_~iy~2#1, __ieee754_powf_~is~0#1;__ieee754_powf_~x#1 := __ieee754_powf_#in~x#1;__ieee754_powf_~y#1 := __ieee754_powf_#in~y#1;havoc __ieee754_powf_~z~1#1;havoc __ieee754_powf_~ax~0#1;havoc __ieee754_powf_~z_h~0#1;havoc __ieee754_powf_~z_l~0#1;havoc __ieee754_powf_~p_h~0#1;havoc __ieee754_powf_~p_l~0#1;havoc __ieee754_powf_~y1~0#1;havoc __ieee754_powf_~t1~0#1;havoc __ieee754_powf_~t2~0#1;havoc __ieee754_powf_~r~1#1;havoc __ieee754_powf_~s~1#1;havoc __ieee754_powf_~t~1#1;havoc __ieee754_powf_~u~0#1;havoc __ieee754_powf_~v~0#1;havoc __ieee754_powf_~w~0#1;havoc __ieee754_powf_~i~2#1;havoc __ieee754_powf_~j~0#1;havoc __ieee754_powf_~k~1#1;havoc __ieee754_powf_~yisint~0#1;havoc __ieee754_powf_~n~1#1;havoc __ieee754_powf_~hx~3#1;havoc __ieee754_powf_~hy~1#1;havoc __ieee754_powf_~ix~5#1;havoc __ieee754_powf_~iy~2#1;havoc __ieee754_powf_~is~0#1; {203#true} is VALID [2022-02-20 16:43:53,526 INFO L290 TraceCheckUtils]: 10: Hoare triple {203#true} assume !true; {203#true} is VALID [2022-02-20 16:43:53,527 INFO L290 TraceCheckUtils]: 11: Hoare triple {203#true} assume !true; {204#false} is VALID [2022-02-20 16:43:53,527 INFO L290 TraceCheckUtils]: 12: Hoare triple {204#false} __ieee754_powf_~ix~5#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hx~3#1);__ieee754_powf_~iy~2#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hy~1#1); {204#false} is VALID [2022-02-20 16:43:53,527 INFO L290 TraceCheckUtils]: 13: Hoare triple {204#false} assume 0bv32 == __ieee754_powf_~iy~2#1;__ieee754_powf_#res#1 := ~one_pow~0; {204#false} is VALID [2022-02-20 16:43:53,527 INFO L290 TraceCheckUtils]: 14: Hoare triple {204#false} main_#t~ret66#1 := __ieee754_powf_#res#1;assume { :end_inline___ieee754_powf } true;main_~res~0#1 := main_#t~ret66#1;havoc main_#t~ret66#1;main_#t~short68#1 := ~fp.eq~FLOAT(main_~res~0#1, ~Pluszero~FLOAT()); {204#false} is VALID [2022-02-20 16:43:53,528 INFO L290 TraceCheckUtils]: 15: Hoare triple {204#false} assume !main_#t~short68#1; {204#false} is VALID [2022-02-20 16:43:53,528 INFO L290 TraceCheckUtils]: 16: Hoare triple {204#false} assume !main_#t~short68#1;havoc main_#t~ret67#1;havoc main_#t~short68#1; {204#false} is VALID [2022-02-20 16:43:53,528 INFO L290 TraceCheckUtils]: 17: Hoare triple {204#false} assume !false; {204#false} is VALID [2022-02-20 16:43:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:43:53,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:43:53,530 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:43:53,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428094667] [2022-02-20 16:43:53,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428094667] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:43:53,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:43:53,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:43:53,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376649283] [2022-02-20 16:43:53,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:43:53,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-02-20 16:43:53,538 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:43:53,540 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:43:53,575 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:43:53,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:43:53,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:43:53,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:43:53,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:43:53,610 INFO L87 Difference]: Start difference. First operand has 200 states, 191 states have (on average 1.7172774869109948) internal successors, (328), 192 states have internal predecessors, (328), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:44:17,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:44:17,197 INFO L93 Difference]: Finished difference Result 397 states and 677 transitions. [2022-02-20 16:44:17,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:44:17,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-02-20 16:44:17,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:44:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:44:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 677 transitions. [2022-02-20 16:44:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:44:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 677 transitions. [2022-02-20 16:44:17,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 677 transitions. [2022-02-20 16:44:24,502 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 677 edges. 677 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:44:24,519 INFO L225 Difference]: With dead ends: 397 [2022-02-20 16:44:24,519 INFO L226 Difference]: Without dead ends: 196 [2022-02-20 16:44:24,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:44:24,525 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:44:24,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:44:24,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-02-20 16:44:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2022-02-20 16:44:24,561 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:44:24,563 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand has 196 states, 188 states have (on average 1.3297872340425532) internal successors, (250), 188 states have internal predecessors, (250), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:44:24,564 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand has 196 states, 188 states have (on average 1.3297872340425532) internal successors, (250), 188 states have internal predecessors, (250), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:44:24,565 INFO L87 Difference]: Start difference. First operand 196 states. Second operand has 196 states, 188 states have (on average 1.3297872340425532) internal successors, (250), 188 states have internal predecessors, (250), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:44:24,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:44:24,574 INFO L93 Difference]: Finished difference Result 196 states and 260 transitions. [2022-02-20 16:44:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions. [2022-02-20 16:44:24,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:44:24,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:44:24,576 INFO L74 IsIncluded]: Start isIncluded. First operand has 196 states, 188 states have (on average 1.3297872340425532) internal successors, (250), 188 states have internal predecessors, (250), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 196 states. [2022-02-20 16:44:24,577 INFO L87 Difference]: Start difference. First operand has 196 states, 188 states have (on average 1.3297872340425532) internal successors, (250), 188 states have internal predecessors, (250), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 196 states. [2022-02-20 16:44:24,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:44:24,585 INFO L93 Difference]: Finished difference Result 196 states and 260 transitions. [2022-02-20 16:44:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions. [2022-02-20 16:44:24,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:44:24,587 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:44:24,587 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:44:24,588 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:44:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 188 states have (on average 1.3297872340425532) internal successors, (250), 188 states have internal predecessors, (250), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:44:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 260 transitions. [2022-02-20 16:44:24,597 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 260 transitions. Word has length 18 [2022-02-20 16:44:24,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:44:24,597 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 260 transitions. [2022-02-20 16:44:24,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:44:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions. [2022-02-20 16:44:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 16:44:24,598 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:44:24,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:44:24,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:44:24,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:44:24,816 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:44:24,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:44:24,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1530787270, now seen corresponding path program 1 times [2022-02-20 16:44:24,817 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:44:24,817 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966033067] [2022-02-20 16:44:24,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:44:24,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:44:24,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:44:24,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:44:24,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 16:44:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:44:25,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 16:44:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:44:25,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:44:26,438 INFO L290 TraceCheckUtils]: 0: Hoare triple {1346#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(20bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~one_fmod~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := 4bv32, 0bv32;call #Ultimate.allocInit(8bv32, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~Pluszero~DOUBLE())), ~#Zero_fmod~0.base, ~bvadd32(4bv32, ~#Zero_fmod~0.offset), 4bv32);~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~two25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~twom25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.9802322388E-8));~huge_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~#bp_pow~0.base, ~#bp_pow~0.offset := 5bv32, 0bv32;call #Ultimate.allocInit(8bv32, 5bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0)), ~#bp_pow~0.base, ~#bp_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5)), ~#bp_pow~0.base, ~bvadd32(4bv32, ~#bp_pow~0.offset), 4bv32);~#dp_h_pow~0.base, ~#dp_h_pow~0.offset := 6bv32, 0bv32;call #Ultimate.allocInit(8bv32, 6bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_h_pow~0.base, ~#dp_h_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.584960938)), ~#dp_h_pow~0.base, ~bvadd32(4bv32, ~#dp_h_pow~0.offset), 4bv32);~#dp_l_pow~0.base, ~#dp_l_pow~0.offset := 7bv32, 0bv32;call #Ultimate.allocInit(8bv32, 7bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_l_pow~0.base, ~#dp_l_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.56322085E-6)), ~#dp_l_pow~0.base, ~bvadd32(4bv32, ~#dp_l_pow~0.offset), 4bv32);~zero_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~one_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~two_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0));~two24_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.6777216E7));~huge_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~L1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.60000002384));~L2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.42857143283));~L3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327));~L4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.27272811532));~L5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.23066075146));~L6_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20697501302));~P1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8));~lg2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69314718246));~lg2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.693145752));~lg2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.42860654E-6));~ovt_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.2995665694E-8));~cp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179670095));~cp_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179199219));~cp_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.7017383622E-6));~ivln2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~ivln2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426879883));~ivln2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.0526075433E-6)); {1346#true} is VALID [2022-02-20 16:44:26,442 INFO L290 TraceCheckUtils]: 1: Hoare triple {1346#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet64#1, main_#t~ret65#1, main_#t~ret66#1, main_#t~ret67#1, main_#t~short68#1, main_~res~0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet64#1;havoc main_#t~nondet64#1;main_~y~0#1 := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0)), ~Pluszero~FLOAT()); {1354#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))} is VALID [2022-02-20 16:44:26,442 INFO L272 TraceCheckUtils]: 2: Hoare triple {1354#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))} call main_#t~ret65#1 := fabs_float(main_~x~0#1); {1346#true} is VALID [2022-02-20 16:44:26,442 INFO L290 TraceCheckUtils]: 3: Hoare triple {1346#true} ~x := #in~x;havoc ~ix~4; {1346#true} is VALID [2022-02-20 16:44:26,442 INFO L290 TraceCheckUtils]: 4: Hoare triple {1346#true} call ~#gf_u~7.base, ~#gf_u~7.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(~x, ~#gf_u~7.base, ~#gf_u~7.offset, 4bv32);call #t~mem25 := read~intINTTYPE4(~#gf_u~7.base, ~#gf_u~7.offset, 4bv32);~ix~4 := #t~mem25;havoc #t~mem25;call ULTIMATE.dealloc(~#gf_u~7.base, ~#gf_u~7.offset);havoc ~#gf_u~7.base, ~#gf_u~7.offset; {1346#true} is VALID [2022-02-20 16:44:26,442 INFO L290 TraceCheckUtils]: 5: Hoare triple {1346#true} goto; {1346#true} is VALID [2022-02-20 16:44:26,443 INFO L290 TraceCheckUtils]: 6: Hoare triple {1346#true} call ~#sf_u~6.base, ~#sf_u~6.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(~bvand32(2147483647bv32, ~ix~4), ~#sf_u~6.base, ~#sf_u~6.offset, 4bv32);call #t~mem26 := read~intFLOATTYPE4(~#sf_u~6.base, ~#sf_u~6.offset, 4bv32);~x := #t~mem26;havoc #t~mem26;call ULTIMATE.dealloc(~#sf_u~6.base, ~#sf_u~6.offset);havoc ~#sf_u~6.base, ~#sf_u~6.offset; {1346#true} is VALID [2022-02-20 16:44:26,443 INFO L290 TraceCheckUtils]: 7: Hoare triple {1346#true} goto; {1346#true} is VALID [2022-02-20 16:44:26,443 INFO L290 TraceCheckUtils]: 8: Hoare triple {1346#true} #res := ~x; {1346#true} is VALID [2022-02-20 16:44:26,443 INFO L290 TraceCheckUtils]: 9: Hoare triple {1346#true} assume true; {1346#true} is VALID [2022-02-20 16:44:26,444 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1346#true} {1354#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))} #838#return; {1354#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))} is VALID [2022-02-20 16:44:26,447 INFO L290 TraceCheckUtils]: 11: Hoare triple {1354#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))} assume ~fp.gt~FLOAT(main_#t~ret65#1, ~convertINTToFLOAT(currentRoundingMode, 1bv32));havoc main_#t~ret65#1;assume { :begin_inline___ieee754_powf } true;__ieee754_powf_#in~x#1, __ieee754_powf_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc __ieee754_powf_#res#1;havoc __ieee754_powf_#t~mem27#1, __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, __ieee754_powf_#t~mem28#1, __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, __ieee754_powf_#t~ite29#1, __ieee754_powf_#t~ite30#1, __ieee754_powf_#t~ret31#1, __ieee754_powf_#t~ret32#1, __ieee754_powf_#t~ite33#1, __ieee754_powf_#t~ite34#1, __ieee754_powf_#t~mem35#1, __ieee754_powf_~#gf_u~10#1.base, __ieee754_powf_~#gf_u~10#1.offset, __ieee754_powf_#t~mem36#1, __ieee754_powf_~#sf_u~7#1.base, __ieee754_powf_~#sf_u~7#1.offset, __ieee754_powf_#t~mem37#1, __ieee754_powf_~#gf_u~11#1.base, __ieee754_powf_~#gf_u~11#1.offset, __ieee754_powf_#t~mem38#1, __ieee754_powf_~#sf_u~8#1.base, __ieee754_powf_~#sf_u~8#1.offset, __ieee754_powf_#t~mem39#1, __ieee754_powf_#t~mem40#1, __ieee754_powf_#t~mem41#1, __ieee754_powf_~#gf_u~12#1.base, __ieee754_powf_~#gf_u~12#1.offset, __ieee754_powf_#t~mem42#1, __ieee754_powf_~#sf_u~9#1.base, __ieee754_powf_~#sf_u~9#1.offset, __ieee754_powf_#t~mem43#1, __ieee754_powf_~#sf_u~10#1.base, __ieee754_powf_~#sf_u~10#1.offset, __ieee754_powf_#t~mem44#1, __ieee754_powf_#t~mem45#1, __ieee754_powf_~#gf_u~13#1.base, __ieee754_powf_~#gf_u~13#1.offset, __ieee754_powf_#t~mem46#1, __ieee754_powf_~#sf_u~11#1.base, __ieee754_powf_~#sf_u~11#1.offset, __ieee754_powf_#t~mem47#1, __ieee754_powf_~#gf_u~14#1.base, __ieee754_powf_~#gf_u~14#1.offset, __ieee754_powf_#t~mem48#1, __ieee754_powf_~#sf_u~12#1.base, __ieee754_powf_~#sf_u~12#1.offset, __ieee754_powf_#t~mem49#1, __ieee754_powf_#t~mem50#1, __ieee754_powf_#t~mem51#1, __ieee754_powf_~#gf_u~15#1.base, __ieee754_powf_~#gf_u~15#1.offset, __ieee754_powf_#t~mem52#1, __ieee754_powf_~#sf_u~13#1.base, __ieee754_powf_~#sf_u~13#1.offset, __ieee754_powf_#t~mem53#1, __ieee754_powf_~s2~0#1, __ieee754_powf_~s_h~0#1, __ieee754_powf_~s_l~0#1, __ieee754_powf_~t_h~0#1, __ieee754_powf_~t_l~0#1, __ieee754_powf_#t~mem54#1, __ieee754_powf_~#gf_u~16#1.base, __ieee754_powf_~#gf_u~16#1.offset, __ieee754_powf_#t~mem55#1, __ieee754_powf_~#sf_u~14#1.base, __ieee754_powf_~#sf_u~14#1.offset, __ieee754_powf_#t~mem56#1, __ieee754_powf_~#gf_u~17#1.base, __ieee754_powf_~#gf_u~17#1.offset, __ieee754_powf_#t~mem57#1, __ieee754_powf_~#sf_u~15#1.base, __ieee754_powf_~#sf_u~15#1.offset, __ieee754_powf_#t~mem58#1, __ieee754_powf_~#gf_u~18#1.base, __ieee754_powf_~#gf_u~18#1.offset, __ieee754_powf_#t~mem59#1, __ieee754_powf_~#sf_u~16#1.base, __ieee754_powf_~#sf_u~16#1.offset, __ieee754_powf_#t~mem60#1, __ieee754_powf_~#gf_u~19#1.base, __ieee754_powf_~#gf_u~19#1.offset, __ieee754_powf_#t~ret61#1, __ieee754_powf_#t~mem62#1, __ieee754_powf_~#sf_u~17#1.base, __ieee754_powf_~#sf_u~17#1.offset, __ieee754_powf_~x#1, __ieee754_powf_~y#1, __ieee754_powf_~z~1#1, __ieee754_powf_~ax~0#1, __ieee754_powf_~z_h~0#1, __ieee754_powf_~z_l~0#1, __ieee754_powf_~p_h~0#1, __ieee754_powf_~p_l~0#1, __ieee754_powf_~y1~0#1, __ieee754_powf_~t1~0#1, __ieee754_powf_~t2~0#1, __ieee754_powf_~r~1#1, __ieee754_powf_~s~1#1, __ieee754_powf_~t~1#1, __ieee754_powf_~u~0#1, __ieee754_powf_~v~0#1, __ieee754_powf_~w~0#1, __ieee754_powf_~i~2#1, __ieee754_powf_~j~0#1, __ieee754_powf_~k~1#1, __ieee754_powf_~yisint~0#1, __ieee754_powf_~n~1#1, __ieee754_powf_~hx~3#1, __ieee754_powf_~hy~1#1, __ieee754_powf_~ix~5#1, __ieee754_powf_~iy~2#1, __ieee754_powf_~is~0#1;__ieee754_powf_~x#1 := __ieee754_powf_#in~x#1;__ieee754_powf_~y#1 := __ieee754_powf_#in~y#1;havoc __ieee754_powf_~z~1#1;havoc __ieee754_powf_~ax~0#1;havoc __ieee754_powf_~z_h~0#1;havoc __ieee754_powf_~z_l~0#1;havoc __ieee754_powf_~p_h~0#1;havoc __ieee754_powf_~p_l~0#1;havoc __ieee754_powf_~y1~0#1;havoc __ieee754_powf_~t1~0#1;havoc __ieee754_powf_~t2~0#1;havoc __ieee754_powf_~r~1#1;havoc __ieee754_powf_~s~1#1;havoc __ieee754_powf_~t~1#1;havoc __ieee754_powf_~u~0#1;havoc __ieee754_powf_~v~0#1;havoc __ieee754_powf_~w~0#1;havoc __ieee754_powf_~i~2#1;havoc __ieee754_powf_~j~0#1;havoc __ieee754_powf_~k~1#1;havoc __ieee754_powf_~yisint~0#1;havoc __ieee754_powf_~n~1#1;havoc __ieee754_powf_~hx~3#1;havoc __ieee754_powf_~hy~1#1;havoc __ieee754_powf_~ix~5#1;havoc __ieee754_powf_~iy~2#1;havoc __ieee754_powf_~is~0#1; {1385#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2022-02-20 16:44:26,450 INFO L290 TraceCheckUtils]: 12: Hoare triple {1385#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} call __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_powf_~x#1, __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, 4bv32);call __ieee754_powf_#t~mem27#1 := read~intINTTYPE4(__ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, 4bv32);__ieee754_powf_~hx~3#1 := __ieee754_powf_#t~mem27#1;havoc __ieee754_powf_#t~mem27#1;call ULTIMATE.dealloc(__ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset);havoc __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset; {1385#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2022-02-20 16:44:26,452 INFO L290 TraceCheckUtils]: 13: Hoare triple {1385#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} goto; {1385#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} is VALID [2022-02-20 16:44:26,454 INFO L290 TraceCheckUtils]: 14: Hoare triple {1385#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))} call __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_powf_~y#1, __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, 4bv32);call __ieee754_powf_#t~mem28#1 := read~intINTTYPE4(__ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, 4bv32);__ieee754_powf_~hy~1#1 := __ieee754_powf_#t~mem28#1;havoc __ieee754_powf_#t~mem28#1;call ULTIMATE.dealloc(__ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset);havoc __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset; {1395#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|))))} is VALID [2022-02-20 16:44:26,455 INFO L290 TraceCheckUtils]: 15: Hoare triple {1395#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|))))} goto; {1395#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|))))} is VALID [2022-02-20 16:44:26,457 INFO L290 TraceCheckUtils]: 16: Hoare triple {1395#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|))))} __ieee754_powf_~ix~5#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hx~3#1);__ieee754_powf_~iy~2#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hy~1#1); {1402#(exists ((|ULTIMATE.start___ieee754_powf_~hy~1#1| (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|)))) (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_powf_~hy~1#1|) |ULTIMATE.start___ieee754_powf_~iy~2#1|)))} is VALID [2022-02-20 16:44:26,459 INFO L290 TraceCheckUtils]: 17: Hoare triple {1402#(exists ((|ULTIMATE.start___ieee754_powf_~hy~1#1| (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|)))) (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_powf_~hy~1#1|) |ULTIMATE.start___ieee754_powf_~iy~2#1|)))} assume 0bv32 == __ieee754_powf_~iy~2#1;__ieee754_powf_#res#1 := ~one_pow~0; {1347#false} is VALID [2022-02-20 16:44:26,459 INFO L290 TraceCheckUtils]: 18: Hoare triple {1347#false} main_#t~ret66#1 := __ieee754_powf_#res#1;assume { :end_inline___ieee754_powf } true;main_~res~0#1 := main_#t~ret66#1;havoc main_#t~ret66#1;main_#t~short68#1 := ~fp.eq~FLOAT(main_~res~0#1, ~Pluszero~FLOAT()); {1347#false} is VALID [2022-02-20 16:44:26,460 INFO L290 TraceCheckUtils]: 19: Hoare triple {1347#false} assume !main_#t~short68#1; {1347#false} is VALID [2022-02-20 16:44:26,460 INFO L290 TraceCheckUtils]: 20: Hoare triple {1347#false} assume !main_#t~short68#1;havoc main_#t~ret67#1;havoc main_#t~short68#1; {1347#false} is VALID [2022-02-20 16:44:26,460 INFO L290 TraceCheckUtils]: 21: Hoare triple {1347#false} assume !false; {1347#false} is VALID [2022-02-20 16:44:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:44:26,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:44:26,460 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:44:26,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966033067] [2022-02-20 16:44:26,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [966033067] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:44:26,461 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:44:26,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 16:44:26,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217044551] [2022-02-20 16:44:26,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:44:26,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-02-20 16:44:26,463 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:44:26,463 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:44:26,511 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:44:26,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 16:44:26,512 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:44:26,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 16:44:26,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:44:26,513 INFO L87 Difference]: Start difference. First operand 196 states and 260 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)