./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970b.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 0d5af4b08e6c7b0ba6fa6025700a9951ecfab143 ..................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970b.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 0d5af4b08e6c7b0ba6fa6025700a9951ecfab143 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:28:45,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:28:45,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:28:45,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:28:45,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:28:45,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:28:45,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:28:45,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:28:45,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:28:45,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:28:45,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:28:45,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:28:45,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:28:45,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:28:45,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:28:45,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:28:45,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:28:45,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:28:45,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:28:45,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:28:45,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:28:45,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:28:45,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:28:45,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:28:45,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:28:45,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:28:45,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:28:45,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:28:45,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:28:45,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:28:45,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:28:45,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:28:45,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:28:45,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:28:45,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:28:45,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:28:45,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:28:45,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:28:45,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:28:45,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:28:45,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:28:45,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:28:45,711 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:28:45,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:28:45,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:28:45,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:28:45,716 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:28:45,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:28:45,717 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:28:45,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:28:45,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:28:45,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:28:45,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:28:45,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:28:45,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:28:45,720 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:28:45,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:28:45,721 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:28:45,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:28:45,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:28:45,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:28:45,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:28:45,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:28:45,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:28:45,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:28:45,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:28:45,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:28:45,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:28:45,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:28:45,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:28:45,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:28:45,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5af4b08e6c7b0ba6fa6025700a9951ecfab143 [2020-12-02 15:28:46,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:28:46,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:28:46,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:28:46,212 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:28:46,214 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:28:46,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970b.c [2020-12-02 15:28:46,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/883f26c0f/8d02409fe42542498a56d60d06aeb1c3/FLAGf11cf13ad [2020-12-02 15:28:46,869 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:28:46,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970b.c [2020-12-02 15:28:46,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/883f26c0f/8d02409fe42542498a56d60d06aeb1c3/FLAGf11cf13ad [2020-12-02 15:28:47,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/883f26c0f/8d02409fe42542498a56d60d06aeb1c3 [2020-12-02 15:28:47,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:28:47,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:28:47,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:28:47,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:28:47,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:28:47,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:47" (1/1) ... [2020-12-02 15:28:47,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c318778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:47, skipping insertion in model container [2020-12-02 15:28:47,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:47" (1/1) ... [2020-12-02 15:28:47,274 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:28:47,301 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:28:47,515 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructUnaryExpression(ExpressionTranslation.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleUnaryArithmeticOperators(CExpressionTranslator.java:407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) 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:1970) 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:1576) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1576) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 15:28:47,521 INFO L168 Benchmark]: Toolchain (without parser) took 268.72 ms. Allocated memory is still 56.6 MB. Free memory was 33.5 MB in the beginning and 38.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:28:47,523 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 34.3 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:28:47,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.15 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 38.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:28:47,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 34.3 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.15 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 38.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:28:50,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:28:50,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:28:50,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:28:50,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:28:50,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:28:50,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:28:50,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:28:50,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:28:50,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:28:50,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:28:50,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:28:50,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:28:50,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:28:50,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:28:50,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:28:50,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:28:50,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:28:50,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:28:50,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:28:50,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:28:50,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:28:50,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:28:50,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:28:50,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:28:50,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:28:50,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:28:50,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:28:50,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:28:50,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:28:50,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:28:50,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:28:50,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:28:50,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:28:50,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:28:50,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:28:50,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:28:50,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:28:50,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:28:50,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:28:50,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:28:50,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:28:50,215 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:28:50,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:28:50,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:28:50,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:28:50,218 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:28:50,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:28:50,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:28:50,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:28:50,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:28:50,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:28:50,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:28:50,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:28:50,220 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:28:50,221 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:28:50,221 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:28:50,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:28:50,221 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:28:50,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:28:50,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:28:50,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:28:50,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:28:50,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:28:50,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:28:50,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:28:50,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:28:50,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:28:50,224 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:28:50,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:28:50,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:28:50,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:28:50,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:28:50,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5af4b08e6c7b0ba6fa6025700a9951ecfab143 [2020-12-02 15:28:50,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:28:50,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:28:50,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:28:50,707 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:28:50,708 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:28:50,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970b.c [2020-12-02 15:28:50,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10325e84b/de5fb9bb272542c283af69b41425c870/FLAGdbbbd8125 [2020-12-02 15:28:51,609 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:28:51,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970b.c [2020-12-02 15:28:51,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10325e84b/de5fb9bb272542c283af69b41425c870/FLAGdbbbd8125 [2020-12-02 15:28:51,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10325e84b/de5fb9bb272542c283af69b41425c870 [2020-12-02 15:28:51,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:28:51,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:28:51,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:28:51,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:28:51,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:28:51,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:51" (1/1) ... [2020-12-02 15:28:51,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e8c324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:51, skipping insertion in model container [2020-12-02 15:28:51,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:51" (1/1) ... [2020-12-02 15:28:51,986 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:28:52,033 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:28:52,355 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970b.c[4615,4628] [2020-12-02 15:28:52,364 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:28:52,404 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:28:52,554 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970b.c[4615,4628] [2020-12-02 15:28:52,555 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:28:52,589 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:28:52,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52 WrapperNode [2020-12-02 15:28:52,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:28:52,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:28:52,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:28:52,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:28:52,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:28:52,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:28:52,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:28:52,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:28:52,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... [2020-12-02 15:28:52,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:28:52,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:28:52,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:28:52,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:28:52,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:28:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:28:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:28:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:28:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:28:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:28:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:28:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:28:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:28:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:28:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:29:31,855 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:29:31,855 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-12-02 15:29:31,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:31 BoogieIcfgContainer [2020-12-02 15:29:31,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:29:31,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:29:31,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:29:31,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:29:31,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:28:51" (1/3) ... [2020-12-02 15:29:31,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310a135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:31, skipping insertion in model container [2020-12-02 15:29:31,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:52" (2/3) ... [2020-12-02 15:29:31,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310a135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:31, skipping insertion in model container [2020-12-02 15:29:31,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:31" (3/3) ... [2020-12-02 15:29:31,868 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2020-12-02 15:29:31,885 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:29:31,890 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:29:31,905 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:29:31,936 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:29:31,936 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:29:31,936 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:29:31,936 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:29:31,937 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:29:31,937 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:29:31,937 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:29:31,937 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:29:31,953 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-12-02 15:29:31,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:29:31,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:31,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:31,961 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:31,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:31,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1032073611, now seen corresponding path program 1 times [2020-12-02 15:29:31,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:31,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909426576] [2020-12-02 15:29:31,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:34,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:29:34,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:34,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:34,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909426576] [2020-12-02 15:29:34,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:34,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:29:34,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802290237] [2020-12-02 15:29:34,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:29:34,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:34,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:29:34,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:34,099 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2020-12-02 15:29:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:34,126 INFO L93 Difference]: Finished difference Result 82 states and 136 transitions. [2020-12-02 15:29:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:29:34,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:29:34,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:34,139 INFO L225 Difference]: With dead ends: 82 [2020-12-02 15:29:34,139 INFO L226 Difference]: Without dead ends: 39 [2020-12-02 15:29:34,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:34,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-02 15:29:34,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-02 15:29:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-02 15:29:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2020-12-02 15:29:34,188 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 10 [2020-12-02 15:29:34,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:34,189 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2020-12-02 15:29:34,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:29:34,189 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2020-12-02 15:29:34,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:29:34,190 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:34,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:34,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:29:34,406 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:34,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:34,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1303233586, now seen corresponding path program 1 times [2020-12-02 15:29:34,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:34,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469020227] [2020-12-02 15:29:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:36,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:29:36,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:41,922 WARN L197 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:29:44,105 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet122_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_log10_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet121_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_6|)))) (and (= (_ +zero 11 53) .cse0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (fp.div roundNearestTiesToEven .cse2 .cse0) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_log10_~x))) (= ((_ extract 63 32) ULTIMATE.start___ieee754_log10_~x) c_ULTIMATE.start___ieee754_log10_~hx~1) (= .cse2 (fp.neg .cse1))))) is different from false [2020-12-02 15:29:44,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:44,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:50,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469020227] [2020-12-02 15:29:50,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:50,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 15:29:50,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433004941] [2020-12-02 15:29:50,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 15:29:50,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:50,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 15:29:50,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=20, Unknown=2, NotChecked=8, Total=42 [2020-12-02 15:29:50,304 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 7 states. [2020-12-02 15:29:59,727 WARN L197 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 35 [2020-12-02 15:30:05,128 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start___ieee754_log10_~lx~1 (_ BitVec 32))) (not (= (bvor (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_log10_~hx~1) ULTIMATE.start___ieee754_log10_~lx~1) (_ bv0 32)))) (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet122_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet121_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_6|)))) (and (= (_ +zero 11 53) .cse0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (fp.div roundNearestTiesToEven .cse2 .cse0) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log10_~x))) (= .cse2 (fp.neg .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet122_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_log10_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet121_6| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_6|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_6|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_6|)))) (and (= (_ +zero 11 53) .cse3) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse4) (= (fp.div roundNearestTiesToEven .cse5 .cse3) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_log10_~x))) (= ((_ extract 63 32) ULTIMATE.start___ieee754_log10_~x) c_ULTIMATE.start___ieee754_log10_~hx~1) (= .cse5 (fp.neg .cse4)))))) is different from false [2020-12-02 15:30:21,320 WARN L197 SmtUtils]: Spent 7.45 s on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-12-02 15:30:44,199 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 15:31:21,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:31:21,178 INFO L93 Difference]: Finished difference Result 73 states and 97 transitions. [2020-12-02 15:31:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 15:31:21,345 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-12-02 15:31:21,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:31:21,346 INFO L225 Difference]: With dead ends: 73 [2020-12-02 15:31:21,347 INFO L226 Difference]: Without dead ends: 44 [2020-12-02 15:31:21,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 44.4s TimeCoverageRelationStatistics Valid=26, Invalid=49, Unknown=5, NotChecked=30, Total=110 [2020-12-02 15:31:21,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-02 15:31:21,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2020-12-02 15:31:21,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-02 15:31:21,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2020-12-02 15:31:21,357 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 51 transitions. Word has length 11 [2020-12-02 15:31:21,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:31:21,357 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 51 transitions. [2020-12-02 15:31:21,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 15:31:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2020-12-02 15:31:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:31:21,359 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:31:21,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:31:21,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:31:21,574 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:31:21,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:31:21,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1811167824, now seen corresponding path program 1 times [2020-12-02 15:31:21,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:31:21,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903017854] [2020-12-02 15:31:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:31:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:31:23,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 15:31:23,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:31:23,697 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 15:31:25,868 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet121_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_8|)))) (and (= (fp.div c_~CRM .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log10_~x))) (= (fp.neg .cse2) .cse0) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse2) (= (_ +zero 11 53) .cse1)))) (= roundNearestTiesToEven c_~CRM) (= (fp ((_ extract 63 63) c_~zero_log10~0) ((_ extract 62 52) c_~zero_log10~0) ((_ extract 51 0) c_~zero_log10~0)) (_ +zero 11 53))) is different from false [2020-12-02 15:31:28,529 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 64)) (~zero_log10~0 (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_log10_#t~nondet106_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet121_8| (_ BitVec 64)) (ULTIMATE.start___ieee754_log10_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_log10_~x))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_8|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|))) (.cse5 (fp ((_ extract 63 63) ~zero_log10~0) ((_ extract 62 52) ~zero_log10~0) ((_ extract 51 0) ~zero_log10~0)))) (and (= (fp.sub roundNearestTiesToEven .cse0 .cse0) .cse1) (= .cse0 (fp.div roundNearestTiesToEven .cse2 .cse3)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse4) (= (fp.neg .cse4) .cse2) (= .cse5 (_ +zero 11 53)) (= (_ +zero 11 53) .cse3) (= (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_log10_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_log10_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_log10_#res|)) (fp.div roundNearestTiesToEven .cse1 .cse5))))) is different from false [2020-12-02 15:31:28,577 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:31:28,581 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 15:31:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:31:28,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:31:32,094 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_log10_#res_10| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_log10_#t~nondet106_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_log10_#res_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_log10_#res_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_log10_#res_10|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|)))) (or (not (fp.eq .cse0 .cse0)) (not (= (fp.div c_~CRM .cse1 (fp ((_ extract 63 63) c_~zero_log10~0) ((_ extract 62 52) c_~zero_log10~0) ((_ extract 51 0) c_~zero_log10~0))) .cse0)) (not (= (let ((.cse2 (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log10_~x)))) (fp.sub c_~CRM .cse2 .cse2)) .cse1))))) is different from true [2020-12-02 15:31:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:31:34,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903017854] [2020-12-02 15:31:34,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:31:34,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 15:31:34,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837302615] [2020-12-02 15:31:34,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 15:31:34,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:31:34,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 15:31:34,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=44, Unknown=3, NotChecked=42, Total=110 [2020-12-02 15:31:34,708 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. Second operand 11 states. [2020-12-02 15:31:37,233 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet121_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_8|)))) (and (= (fp.div c_~CRM .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log10_~x))) (= (fp.neg .cse2) .cse0) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse2) (= (_ +zero 11 53) .cse1)))) (= roundNearestTiesToEven c_~CRM) (= (fp ((_ extract 63 63) c_~zero_log10~0) ((_ extract 62 52) c_~zero_log10~0) ((_ extract 51 0) c_~zero_log10~0)) (_ +zero 11 53)) (forall ((|v_ULTIMATE.start___ieee754_log10_#res_10| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_log10_#t~nondet106_6| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_log10_#res_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_log10_#res_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_log10_#res_10|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|)))) (or (not (fp.eq .cse3 .cse3)) (not (= (fp.div c_~CRM .cse4 (fp ((_ extract 63 63) c_~zero_log10~0) ((_ extract 62 52) c_~zero_log10~0) ((_ extract 51 0) c_~zero_log10~0))) .cse3)) (not (= (let ((.cse5 (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log10_~x)))) (fp.sub c_~CRM .cse5 .cse5)) .cse4)))))) is different from false [2020-12-02 15:31:40,027 WARN L838 $PredicateComparison]: unable to prove that (and (not (let ((.cse0 (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_log10_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_log10_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_log10_#res|)))) (fp.eq .cse0 .cse0))) (exists ((|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 64)) (~zero_log10~0 (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_log10_#t~nondet106_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet121_8| (_ BitVec 64)) (ULTIMATE.start___ieee754_log10_~x (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_log10_~x))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_8|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_log10_#t~nondet106_6|))) (.cse6 (fp ((_ extract 63 63) ~zero_log10~0) ((_ extract 62 52) ~zero_log10~0) ((_ extract 51 0) ~zero_log10~0)))) (and (= (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse2) (= .cse1 (fp.div roundNearestTiesToEven .cse3 .cse4)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5) (= (fp.neg .cse5) .cse3) (= .cse6 (_ +zero 11 53)) (= (_ +zero 11 53) .cse4) (= (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_log10_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_log10_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_log10_#res|)) (fp.div roundNearestTiesToEven .cse2 .cse6)))))) is different from false [2020-12-02 15:31:40,363 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-02 15:32:20,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:32:20,395 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-12-02 15:32:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:32:20,578 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2020-12-02 15:32:20,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:32:20,579 INFO L225 Difference]: With dead ends: 44 [2020-12-02 15:32:20,579 INFO L226 Difference]: Without dead ends: 39 [2020-12-02 15:32:20,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=31, Invalid=56, Unknown=5, NotChecked=90, Total=182 [2020-12-02 15:32:20,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-02 15:32:20,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-02 15:32:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-02 15:32:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2020-12-02 15:32:20,587 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 12 [2020-12-02 15:32:20,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:32:20,587 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-12-02 15:32:20,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 15:32:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2020-12-02 15:32:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 15:32:20,588 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:32:20,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:32:20,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:32:20,790 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:32:20,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:32:20,791 INFO L82 PathProgramCache]: Analyzing trace with hash -72340386, now seen corresponding path program 1 times [2020-12-02 15:32:20,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:32:20,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811091387] [2020-12-02 15:32:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 15:32:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:32:22,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:32:22,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:32:24,418 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet121_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet122_10| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_10|)))) (and (= (_ +zero 11 53) .cse0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (fp.neg .cse1) .cse2) (= (fp.div roundNearestTiesToEven .cse2 .cse0) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log10_~x)))))) is different from false [2020-12-02 15:32:26,598 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet121_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet122_10| (_ BitVec 64)) (ULTIMATE.start___ieee754_log10_~x (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_10|)))) (and (= (_ +zero 11 53) .cse0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (fp.neg .cse1) .cse2) (= ((_ extract 63 32) ULTIMATE.start___ieee754_log10_~x) c_ULTIMATE.start___ieee754_log10_~hx~1) (= (fp.div roundNearestTiesToEven .cse2 .cse0) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_log10_~x)))))) is different from false [2020-12-02 15:32:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:26,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:32:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:28,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811091387] [2020-12-02 15:32:28,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:32:28,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 15:32:28,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057455692] [2020-12-02 15:32:28,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 15:32:28,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:32:28,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 15:32:28,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=15, Unknown=2, NotChecked=14, Total=42 [2020-12-02 15:32:28,876 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand 7 states. [2020-12-02 15:32:31,094 WARN L838 $PredicateComparison]: unable to prove that (and (bvslt ((_ extract 63 32) c_ULTIMATE.start___ieee754_log10_~x) (_ bv0 32)) (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet121_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet122_10| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_10|)))) (and (= (_ +zero 11 53) .cse0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (fp.neg .cse1) .cse2) (= (fp.div roundNearestTiesToEven .cse2 .cse0) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log10_~x))))))) is different from false [2020-12-02 15:32:33,248 WARN L838 $PredicateComparison]: unable to prove that (and (bvslt c_ULTIMATE.start___ieee754_log10_~hx~1 (_ bv0 32)) (exists ((|v_ULTIMATE.start_main_#t~nondet121_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet123_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet122_10| (_ BitVec 64)) (ULTIMATE.start___ieee754_log10_~x (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet121_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet121_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet121_10|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet122_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet122_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet122_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet123_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet123_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet123_10|)))) (and (= (_ +zero 11 53) .cse0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (fp.neg .cse1) .cse2) (= ((_ extract 63 32) ULTIMATE.start___ieee754_log10_~x) c_ULTIMATE.start___ieee754_log10_~hx~1) (= (fp.div roundNearestTiesToEven .cse2 .cse0) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_log10_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_log10_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_log10_~x))))))) is different from false [2020-12-02 15:32:33,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:32:33,277 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-12-02 15:32:33,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 15:32:33,277 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-02 15:32:33,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:32:33,278 INFO L225 Difference]: With dead ends: 39 [2020-12-02 15:32:33,278 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:32:33,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=15, Invalid=17, Unknown=4, NotChecked=36, Total=72 [2020-12-02 15:32:33,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:32:33,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:32:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:32:33,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:32:33,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-12-02 15:32:33,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:32:33,280 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:32:33,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 15:32:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:32:33,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:32:33,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:32:33,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:32:42,575 WARN L197 SmtUtils]: Spent 9.03 s on a formula simplification. DAG size of input: 55 DAG size of output: 7 [2020-12-02 15:32:49,361 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 15:32:49,363 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:131) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:53) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.pushContext(SimplifyDDA.java:737) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walkParam(SimplifyDDA.java:526) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:412) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter(HoareAnnotationComposer.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.(HoareAnnotationComposer.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeCFGHoareAnnotation(BasicCegarLoop.java:1052) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 35 more [2020-12-02 15:32:49,370 INFO L168 Benchmark]: Toolchain (without parser) took 237413.88 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 29.2 MB in the beginning and 25.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:49,371 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 41.9 MB. Free memory was 21.3 MB in the beginning and 21.3 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:32:49,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.14 ms. Allocated memory is still 52.4 MB. Free memory was 29.0 MB in the beginning and 23.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:49,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.67 ms. Allocated memory is still 52.4 MB. Free memory was 23.3 MB in the beginning and 32.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:49,374 INFO L168 Benchmark]: Boogie Preprocessor took 81.20 ms. Allocated memory is still 52.4 MB. Free memory was 32.1 MB in the beginning and 29.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:49,375 INFO L168 Benchmark]: RCFGBuilder took 39019.34 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 29.2 MB in the beginning and 32.8 MB in the end (delta: -3.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:49,375 INFO L168 Benchmark]: TraceAbstraction took 197509.08 ms. Allocated memory is still 65.0 MB. Free memory was 32.5 MB in the beginning and 25.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:49,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 41.9 MB. Free memory was 21.3 MB in the beginning and 21.3 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 632.14 ms. Allocated memory is still 52.4 MB. Free memory was 29.0 MB in the beginning and 23.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 163.67 ms. Allocated memory is still 52.4 MB. Free memory was 23.3 MB in the beginning and 32.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.20 ms. Allocated memory is still 52.4 MB. Free memory was 32.1 MB in the beginning and 29.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39019.34 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 29.2 MB in the beginning and 32.8 MB in the end (delta: -3.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 197509.08 ms. Allocated memory is still 65.0 MB. Free memory was 32.5 MB in the beginning and 25.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...