./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271b.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/float_req_bl_1271b.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 25467fd5d8ff64196ac518ed6ec4f0faa02813a6 ................................................................................................................................................................................. 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/float_req_bl_1271b.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 25467fd5d8ff64196ac518ed6ec4f0faa02813a6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:21:48,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:21:48,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:21:48,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:21:48,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:21:48,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:21:48,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:21:48,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:21:48,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:21:48,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:21:48,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:21:48,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:21:48,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:21:48,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:21:48,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:21:48,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:21:48,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:21:48,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:21:48,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:21:48,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:21:48,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:21:48,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:21:48,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:21:48,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:21:48,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:21:48,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:21:48,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:21:48,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:21:48,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:21:48,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:21:48,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:21:48,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:21:48,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:21:48,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:21:48,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:21:48,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:21:48,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:21:48,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:21:48,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:21:48,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:21:48,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:21:48,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 16:21:48,978 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:21:48,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:21:48,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:21:48,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:21:48,982 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:21:48,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:21:48,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:21:48,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 16:21:48,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:21:48,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:21:48,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:21:48,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:21:48,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:21:48,985 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:21:48,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:21:48,986 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:21:48,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:21:48,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:21:48,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:21:48,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:21:48,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:21:48,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:21:48,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:21:48,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:21:48,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:21:48,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 16:21:48,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 16:21:48,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:21:48,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:21:48,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25467fd5d8ff64196ac518ed6ec4f0faa02813a6 [2020-12-02 16:21:49,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:21:49,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:21:49,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:21:49,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:21:49,441 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:21:49,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271b.c [2020-12-02 16:21:49,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddba739dc/6aadf73ed0d34d5d9f562e67bf4469d6/FLAG97a4cc3f3 [2020-12-02 16:21:50,275 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:21:50,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271b.c [2020-12-02 16:21:50,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddba739dc/6aadf73ed0d34d5d9f562e67bf4469d6/FLAG97a4cc3f3 [2020-12-02 16:21:50,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddba739dc/6aadf73ed0d34d5d9f562e67bf4469d6 [2020-12-02 16:21:50,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:21:50,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:21:50,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:21:50,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:21:50,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:21:50,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:50" (1/1) ... [2020-12-02 16:21:50,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56adcaae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:50, skipping insertion in model container [2020-12-02 16:21:50,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:50" (1/1) ... [2020-12-02 16:21:50,654 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:21:50,712 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:21:50,963 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:2341) 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:705) 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.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.visit(CHandler.java:2341) 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:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) 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.visit(CHandler.java:1351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 16:21:50,979 INFO L168 Benchmark]: Toolchain (without parser) took 340.96 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 24.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:21:50,980 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 37.7 MB. Free memory is still 17.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:21:50,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.74 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 24.8 MB in the end (delta: -1.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:21:50,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 37.7 MB. Free memory is still 17.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 335.74 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 24.8 MB in the end (delta: -1.7 MB). Peak memory consumption was 5.4 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 16:21:53,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:21:53,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:21:53,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:21:53,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:21:53,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:21:53,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:21:53,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:21:53,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:21:53,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:21:53,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:21:53,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:21:53,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:21:53,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:21:53,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:21:53,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:21:53,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:21:53,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:21:53,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:21:53,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:21:53,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:21:53,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:21:53,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:21:53,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:21:53,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:21:53,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:21:53,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:21:53,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:21:53,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:21:53,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:21:53,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:21:53,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:21:53,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:21:53,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:21:53,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:21:53,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:21:53,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:21:53,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:21:53,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:21:53,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:21:53,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:21:53,674 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 16:21:53,703 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:21:53,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:21:53,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:21:53,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:21:53,706 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:21:53,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:21:53,707 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:21:53,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:21:53,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:21:53,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:21:53,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:21:53,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:21:53,708 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 16:21:53,709 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 16:21:53,709 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:21:53,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:21:53,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:21:53,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:21:53,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:21:53,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:21:53,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:21:53,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:21:53,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:21:53,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:21:53,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:21:53,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:21:53,713 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 16:21:53,713 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 16:21:53,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:21:53,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:21:53,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 16:21:53,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25467fd5d8ff64196ac518ed6ec4f0faa02813a6 [2020-12-02 16:21:54,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:21:54,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:21:54,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:21:54,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:21:54,220 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:21:54,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271b.c [2020-12-02 16:21:54,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd09d7fa/0e910f938bdf4cdba87288caf6c883b0/FLAG3b7eaf0ab [2020-12-02 16:21:54,972 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:21:54,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271b.c [2020-12-02 16:21:54,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd09d7fa/0e910f938bdf4cdba87288caf6c883b0/FLAG3b7eaf0ab [2020-12-02 16:21:55,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd09d7fa/0e910f938bdf4cdba87288caf6c883b0 [2020-12-02 16:21:55,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:21:55,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:21:55,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:21:55,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:21:55,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:21:55,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:55,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f295f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55, skipping insertion in model container [2020-12-02 16:21:55,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:55,383 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:21:55,411 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:21:55,683 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/float_req_bl_1271b.c[4883,4896] [2020-12-02 16:21:55,686 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:21:55,708 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:21:55,809 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/float_req_bl_1271b.c[4883,4896] [2020-12-02 16:21:55,811 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:21:55,851 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:21:55,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55 WrapperNode [2020-12-02 16:21:55,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:21:55,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:21:55,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:21:55,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:21:55,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:55,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:55,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:21:55,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:21:55,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:21:55,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:21:55,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:55,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:55,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:55,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:56,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:56,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:56,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (1/1) ... [2020-12-02 16:21:56,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:21:56,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:21:56,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:21:56,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:21:56,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (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 16:21:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 16:21:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 16:21:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:21:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 16:21:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 16:21:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:21:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:21:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 16:21:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 16:21:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 16:21:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:22:08,564 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:22:08,565 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-12-02 16:22:08,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:08 BoogieIcfgContainer [2020-12-02 16:22:08,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:22:08,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:22:08,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:22:08,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:22:08,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:21:55" (1/3) ... [2020-12-02 16:22:08,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54381cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:08, skipping insertion in model container [2020-12-02 16:22:08,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:55" (2/3) ... [2020-12-02 16:22:08,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54381cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:08, skipping insertion in model container [2020-12-02 16:22:08,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:08" (3/3) ... [2020-12-02 16:22:08,577 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2020-12-02 16:22:08,593 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:22:08,598 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:22:08,611 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:22:08,641 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:22:08,641 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:22:08,642 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:22:08,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:22:08,642 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:22:08,642 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:22:08,643 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:22:08,643 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:22:08,661 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-12-02 16:22:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 16:22:08,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:22:08,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:22:08,669 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:22:08,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:22:08,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1113208416, now seen corresponding path program 1 times [2020-12-02 16:22:08,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:22:08,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030286453] [2020-12-02 16:22:08,690 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 16:22:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:22:09,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 16:22:09,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:22:09,205 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 16:22:09,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:22:09,255 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 16:22:09,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030286453] [2020-12-02 16:22:09,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:22:09,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 16:22:09,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672388752] [2020-12-02 16:22:09,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:22:09,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:22:09,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:22:09,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:22:09,292 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-12-02 16:22:09,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:22:09,330 INFO L93 Difference]: Finished difference Result 218 states and 366 transitions. [2020-12-02 16:22:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:22:09,332 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-02 16:22:09,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:22:09,346 INFO L225 Difference]: With dead ends: 218 [2020-12-02 16:22:09,346 INFO L226 Difference]: Without dead ends: 106 [2020-12-02 16:22:09,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 16:22:09,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-02 16:22:09,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-12-02 16:22:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-02 16:22:09,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 138 transitions. [2020-12-02 16:22:09,406 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 138 transitions. Word has length 18 [2020-12-02 16:22:09,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:22:09,407 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 138 transitions. [2020-12-02 16:22:09,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:22:09,407 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 138 transitions. [2020-12-02 16:22:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 16:22:09,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:22:09,408 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:22:09,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 16:22:09,624 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:22:09,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:22:09,626 INFO L82 PathProgramCache]: Analyzing trace with hash 53585807, now seen corresponding path program 1 times [2020-12-02 16:22:09,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:22:09,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963355937] [2020-12-02 16:22:09,628 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 16:22:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:22:10,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-02 16:22:10,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:22:11,366 WARN L197 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:22:14,559 WARN L197 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:22:19,732 WARN L197 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:22:27,894 WARN L197 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 16:22:35,920 WARN L197 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 16:22:45,453 WARN L197 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 16:22:49,294 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-02 16:22:49,315 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:22:49,322 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 16:22:53,974 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 16:22:53,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:23:03,185 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.add c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~a~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~a~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~a~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0)))))))) is different from false [2020-12-02 16:23:05,994 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.add c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0)))))))) is different from false [2020-12-02 16:23:08,503 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.add c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~hb~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0)))))))) is different from false [2020-12-02 16:23:10,765 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.add c_~CRM (let ((.cse1 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0)))))))) is different from false [2020-12-02 16:23:12,915 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (= .cse0 (fp.add c_~CRM (let ((.cse1 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~y))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0))))) (not (fp.eq .cse0 .cse0))))) is different from false [2020-12-02 16:23:38,167 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 16:23:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:23:38,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963355937] [2020-12-02 16:23:38,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:23:38,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 21 [2020-12-02 16:23:38,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899430384] [2020-12-02 16:23:38,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-02 16:23:38,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:23:38,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-02 16:23:38,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=196, Unknown=13, NotChecked=160, Total=420 [2020-12-02 16:23:38,422 INFO L87 Difference]: Start difference. First operand 106 states and 138 transitions. Second operand 21 states. [2020-12-02 16:23:41,808 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet78_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet77_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet77_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet78_6|)))) (and (= (_ +zero 8 24) .cse0) (= (fp.div c_~CRM .cse0 .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~y) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~y) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~y))) (= .cse1 (_ +zero 8 24))))) (= roundNearestTiesToEven c_~CRM) (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (= .cse2 (fp.add c_~CRM (let ((.cse3 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~y))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0))))) (not (fp.eq .cse2 .cse2))))) (exists ((|v_ULTIMATE.start_main_#t~nondet78_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet77_6| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet77_6|))) (.cse5 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet78_6|)))) (and (= (_ +zero 8 24) .cse4) (= .cse5 (_ +zero 8 24)) (= (fp.div c_~CRM .cse4 .cse5) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~y~0) ((_ extract 30 23) c_ULTIMATE.start_main_~y~0) ((_ extract 22 0) c_ULTIMATE.start_main_~y~0))))))) is different from false [2020-12-02 16:23:44,208 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet78_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet77_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet77_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet78_6|)))) (and (= (_ +zero 8 24) .cse0) (= (fp.div c_~CRM .cse0 .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~y) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~y) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~y))) (= .cse1 (_ +zero 8 24))))) (= roundNearestTiesToEven c_~CRM) (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (= .cse2 (fp.add c_~CRM (let ((.cse3 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~y))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0))))) (not (fp.eq .cse2 .cse2)))))) is different from false [2020-12-02 16:23:46,575 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet78_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet77_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet77_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet78_6|)))) (and (= (fp.div c_~CRM .cse0 .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~hb~0))) (= (_ +zero 8 24) .cse0) (= .cse1 (_ +zero 8 24))))) (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (fp.eq .cse2 .cse2)) (not (= .cse2 (fp.add c_~CRM (let ((.cse3 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0))))))))) is different from false [2020-12-02 16:23:48,882 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet78_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet77_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet77_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet78_6|)))) (and (= (fp.div c_~CRM .cse0 .cse1) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29))) (= c_ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29)) (= (_ +zero 8 24) .cse0) (= .cse1 (_ +zero 8 24))))) (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (fp.eq .cse2 .cse2)) (not (= .cse2 (fp.add c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~hb~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0))))))))) is different from false [2020-12-02 16:23:51,177 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.add c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0)))))))) (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet78_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet77_6| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet77_6|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet78_6|)))) (and (= (fp.div c_~CRM .cse1 .cse2) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29))) (= (_ +zero 8 24) .cse1) (= c_ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29)) (= .cse2 (_ +zero 8 24)))))) is different from false [2020-12-02 16:23:53,774 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start___ieee754_hypotf_~b~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_#res_10| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_#res_10|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.add c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~a~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~a~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~a~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~b~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~b~0)))))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet78_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet77_6| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet77_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet77_6|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet78_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet78_6|)))) (and (= (fp.div c_~CRM .cse1 .cse2) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29))) (= c_ULTIMATE.start___ieee754_hypotf_~a~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29)) (= (_ +zero 8 24) .cse1) (= .cse2 (_ +zero 8 24))))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-12-02 16:24:02,667 WARN L197 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-02 16:24:09,904 WARN L197 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-02 16:24:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:24:29,399 INFO L93 Difference]: Finished difference Result 116 states and 148 transitions. [2020-12-02 16:24:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-02 16:24:29,410 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 23 [2020-12-02 16:24:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:24:29,413 INFO L225 Difference]: With dead ends: 116 [2020-12-02 16:24:29,413 INFO L226 Difference]: Without dead ends: 111 [2020-12-02 16:24:29,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 11 IntricatePredicates, 1 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 116.6s TimeCoverageRelationStatistics Valid=78, Invalid=253, Unknown=19, NotChecked=462, Total=812 [2020-12-02 16:24:29,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-02 16:24:29,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-02 16:24:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-02 16:24:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 143 transitions. [2020-12-02 16:24:29,427 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 143 transitions. Word has length 23 [2020-12-02 16:24:29,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:24:29,428 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 143 transitions. [2020-12-02 16:24:29,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-02 16:24:29,428 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 143 transitions. [2020-12-02 16:24:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 16:24:29,429 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:24:29,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:24:29,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 16:24:29,631 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:24:29,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:24:29,633 INFO L82 PathProgramCache]: Analyzing trace with hash -339441203, now seen corresponding path program 1 times [2020-12-02 16:24:29,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:24:29,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761745809] [2020-12-02 16:24:29,634 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 16:24:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:24:30,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-02 16:24:30,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:24:31,641 WARN L197 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 16:24:33,820 WARN L197 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 16:24:39,270 WARN L197 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 37 [2020-12-02 16:24:45,695 WARN L197 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 53 [2020-12-02 16:24:50,019 WARN L197 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 16:24:55,637 WARN L197 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 16:25:01,715 WARN L197 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-02 16:25:09,002 WARN L197 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-02 16:25:17,565 WARN L197 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-02 16:25:17,584 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 16:25:17,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:25:37,570 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 16:25:46,589 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 16:25:46,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761745809] [2020-12-02 16:25:46,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:25:46,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 21 [2020-12-02 16:25:46,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014551005] [2020-12-02 16:25:46,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-02 16:25:46,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:25:46,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-02 16:25:46,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=362, Unknown=3, NotChecked=0, Total=420 [2020-12-02 16:25:46,593 INFO L87 Difference]: Start difference. First operand 111 states and 143 transitions. Second operand 21 states. [2020-12-02 16:25:51,838 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 16:25:57,339 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 16:26:09,732 WARN L197 SmtUtils]: Spent 8.79 s on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-12-02 16:26:12,258 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (bvand (_ bv2147483647 32) c_ULTIMATE.start_main_~x~0))) (let ((.cse0 (bvslt .cse5 (_ bv2139095040 32)))) (let ((.cse4 (not .cse0)) (.cse3 (exists ((|v_ULTIMATE.start_main_#t~nondet78_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet77_8| (_ BitVec 32))) (let ((.cse7 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet78_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet78_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet78_8|))) (.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet77_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet77_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet77_8|)))) (and (= (fp.div roundNearestTiesToEven .cse6 .cse7) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~y~0) ((_ extract 30 23) c_ULTIMATE.start_main_~y~0) ((_ extract 22 0) c_ULTIMATE.start_main_~y~0))) (= .cse7 (_ +zero 8 24)) (= .cse6 (_ +zero 8 24))))))) (and (= roundNearestTiesToEven c_~CRM) (or (and (= (_ bv1 32) |c_ULTIMATE.start_main_#t~ret80|) .cse0 (exists ((v_prenex_2 (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_prenex_2) ((_ extract 30 23) v_prenex_2) ((_ extract 22 0) v_prenex_2))) (.cse2 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (= (_ +zero 8 24) .cse1) (= (fp.div roundNearestTiesToEven .cse1 .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~y~0) ((_ extract 30 23) c_ULTIMATE.start_main_~y~0) ((_ extract 22 0) c_ULTIMATE.start_main_~y~0))) (= .cse2 (_ +zero 8 24)))))) (and (= (_ bv0 32) |c_ULTIMATE.start_main_#t~ret80|) .cse3 .cse4)) .cse3 (or (and (= (_ bv0 32) |c_ULTIMATE.start_isfinite_float_#res|) .cse3 .cse4) (and (= (_ bv1 32) |c_ULTIMATE.start_isfinite_float_#res|) .cse0 .cse3)) (or (bvsgt (bvand (_ bv2147483647 32) c_ULTIMATE.start_main_~y~0) .cse5) (not (bvslt (bvand (_ bv2147483647 32) c_ULTIMATE.start_isfinite_float_~ix~1) (_ bv2139095040 32)))) (= c_ULTIMATE.start_isfinite_float_~x c_ULTIMATE.start_main_~x~0))))) is different from false [2020-12-02 16:26:18,231 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 16:26:24,640 WARN L197 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 36 [2020-12-02 16:26:37,849 WARN L197 SmtUtils]: Spent 3.92 s on a formula simplification that was a NOOP. DAG size: 44 [2020-12-02 16:26:51,221 WARN L197 SmtUtils]: Spent 3.36 s on a formula simplification that was a NOOP. DAG size: 47 [2020-12-02 16:27:00,108 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 16:27:07,824 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 33 [2020-12-02 16:27:40,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:27:40,942 INFO L93 Difference]: Finished difference Result 279 states and 367 transitions. [2020-12-02 16:27:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-02 16:27:40,984 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 23 [2020-12-02 16:27:40,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:27:40,986 INFO L225 Difference]: With dead ends: 279 [2020-12-02 16:27:40,986 INFO L226 Difference]: Without dead ends: 187 [2020-12-02 16:27:40,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 148.1s TimeCoverageRelationStatistics Valid=141, Invalid=728, Unknown=5, NotChecked=56, Total=930 [2020-12-02 16:27:40,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-12-02 16:27:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 106. [2020-12-02 16:27:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-02 16:27:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 136 transitions. [2020-12-02 16:27:41,002 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 136 transitions. Word has length 23 [2020-12-02 16:27:41,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:27:41,003 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 136 transitions. [2020-12-02 16:27:41,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-02 16:27:41,003 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 136 transitions. [2020-12-02 16:27:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-02 16:27:41,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:27:41,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:27:41,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 16:27:41,218 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:27:41,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:27:41,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1913362603, now seen corresponding path program 1 times [2020-12-02 16:27:41,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:27:41,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137084623] [2020-12-02 16:27:41,221 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 16:27:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:27:41,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 16:27:41,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:27:42,436 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:27:45,272 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:27:50,015 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:27:54,677 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 16:28:02,651 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 16:28:02,695 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 16:28:02,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:28:09,584 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 16:28:09,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137084623] [2020-12-02 16:28:09,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:28:09,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-12-02 16:28:09,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364852709] [2020-12-02 16:28:09,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-02 16:28:09,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:28:09,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-02 16:28:09,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-12-02 16:28:09,587 INFO L87 Difference]: Start difference. First operand 106 states and 136 transitions. Second operand 13 states. [2020-12-02 16:28:14,040 WARN L197 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:28:22,933 WARN L197 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-02 16:28:29,631 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 16:28:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 16:28:29,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 16:28:29,835 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.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1064) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) 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) ... 45 more [2020-12-02 16:28:29,843 INFO L168 Benchmark]: Toolchain (without parser) took 394486.91 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.1 MB in the beginning and 21.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-02 16:28:29,844 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 17.6 MB in the beginning and 17.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:28:29,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.82 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 30.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-12-02 16:28:29,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.50 ms. Allocated memory is still 48.2 MB. Free memory was 30.5 MB in the beginning and 26.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:28:29,846 INFO L168 Benchmark]: Boogie Preprocessor took 116.51 ms. Allocated memory is still 48.2 MB. Free memory was 26.8 MB in the beginning and 23.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 16:28:29,847 INFO L168 Benchmark]: RCFGBuilder took 12505.62 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 29.2 MB in the end (delta: -5.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:28:29,848 INFO L168 Benchmark]: TraceAbstraction took 381272.58 ms. Allocated memory is still 58.7 MB. Free memory was 28.9 MB in the beginning and 21.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-12-02 16:28:29,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 17.6 MB in the beginning and 17.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.82 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 30.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.50 ms. Allocated memory is still 48.2 MB. Free memory was 30.5 MB in the beginning and 26.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 116.51 ms. Allocated memory is still 48.2 MB. Free memory was 26.8 MB in the beginning and 23.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12505.62 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 29.2 MB in the end (delta: -5.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 381272.58 ms. Allocated memory is still 58.7 MB. Free memory was 28.9 MB in the beginning and 21.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.5 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...