./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941f84fd12bbb635098ac1c65472cdf78fad6ad9 ................................................................................................................................................................. 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_0970b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941f84fd12bbb635098ac1c65472cdf78fad6ad9 .................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:07:52,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:07:52,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:07:52,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:07:52,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:07:52,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:07:52,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:07:52,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:07:52,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:07:52,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:07:52,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:07:52,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:07:52,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:07:52,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:07:52,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:07:52,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:07:52,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:07:52,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:07:52,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:07:52,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:07:52,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:07:52,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:07:52,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:07:52,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:07:52,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:07:52,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:07:52,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:07:52,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:07:52,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:07:52,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:07:52,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:07:52,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:07:52,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:07:52,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:07:52,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:07:52,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:07:52,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:07:52,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:07:52,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:07:52,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:07:52,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:07:52,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 16:07:52,519 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:07:52,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:07:52,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:07:52,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:07:52,525 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:07:52,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:07:52,527 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:07:52,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 16:07:52,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:07:52,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:07:52,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:07:52,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:07:52,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:07:52,529 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:07:52,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:07:52,530 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:07:52,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:07:52,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:07:52,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:07:52,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:07:52,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:07:52,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:07:52,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:07:52,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:07:52,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:07:52,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 16:07:52,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 16:07:52,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:07:52,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:07:52,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f84fd12bbb635098ac1c65472cdf78fad6ad9 [2020-12-02 16:07:52,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:07:53,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:07:53,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:07:53,045 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:07:53,046 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:07:53,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970b.c [2020-12-02 16:07:53,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac49d388/0298766fc4724f4c91fcf75dc7de2c78/FLAG0e013c134 [2020-12-02 16:07:53,837 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:07:53,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0970b.c [2020-12-02 16:07:53,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac49d388/0298766fc4724f4c91fcf75dc7de2c78/FLAG0e013c134 [2020-12-02 16:07:54,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac49d388/0298766fc4724f4c91fcf75dc7de2c78 [2020-12-02 16:07:54,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:07:54,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:07:54,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:07:54,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:07:54,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:07:54,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:07:54" (1/1) ... [2020-12-02 16:07:54,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8dd54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:54, skipping insertion in model container [2020-12-02 16:07:54,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:07:54" (1/1) ... [2020-12-02 16:07:54,244 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:07:54,272 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:07:54,441 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructUnaryExpression(ExpressionTranslation.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleUnaryArithmeticOperators(CExpressionTranslator.java:407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1970) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1576) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.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 16:07:54,448 INFO L168 Benchmark]: Toolchain (without parser) took 271.48 ms. Allocated memory is still 37.7 MB. Free memory was 15.3 MB in the beginning and 16.2 MB in the end (delta: -916.8 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:07:54,450 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 37.7 MB. Free memory was 23.4 MB in the beginning and 23.3 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:07:54,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.60 ms. Allocated memory is still 37.7 MB. Free memory was 15.1 MB in the beginning and 16.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:07:54,453 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 37.7 MB. Free memory was 23.4 MB in the beginning and 23.3 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.60 ms. Allocated memory is still 37.7 MB. Free memory was 15.1 MB in the beginning and 16.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 3.4 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 16:07:56,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:07:56,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:07:56,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:07:56,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:07:56,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:07:56,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:07:56,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:07:56,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:07:56,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:07:56,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:07:56,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:07:56,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:07:56,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:07:56,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:07:56,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:07:56,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:07:56,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:07:56,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:07:56,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:07:56,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:07:56,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:07:56,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:07:56,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:07:56,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:07:56,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:07:56,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:07:56,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:07:56,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:07:56,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:07:56,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:07:56,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:07:56,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:07:56,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:07:56,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:07:56,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:07:56,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:07:56,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:07:56,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:07:56,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:07:56,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:07:56,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 16:07:56,997 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:07:56,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:07:56,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:07:57,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:07:57,001 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:07:57,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:07:57,001 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:07:57,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:07:57,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:07:57,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:07:57,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:07:57,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:07:57,003 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 16:07:57,004 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 16:07:57,004 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:07:57,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:07:57,004 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:07:57,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:07:57,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:07:57,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:07:57,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:07:57,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:07:57,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:07:57,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:07:57,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:07:57,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:07:57,006 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 16:07:57,006 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 16:07:57,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:07:57,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:07:57,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 16:07:57,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f84fd12bbb635098ac1c65472cdf78fad6ad9 [2020-12-02 16:07:57,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:07:57,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:07:57,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:07:57,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:07:57,493 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:07:57,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970b.c [2020-12-02 16:07:57,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a593b9450/ec631563a74f4c489605c7ce0c56c8ad/FLAGba0d23921 [2020-12-02 16:07:58,201 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:07:58,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0970b.c [2020-12-02 16:07:58,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a593b9450/ec631563a74f4c489605c7ce0c56c8ad/FLAGba0d23921 [2020-12-02 16:07:58,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a593b9450/ec631563a74f4c489605c7ce0c56c8ad [2020-12-02 16:07:58,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:07:58,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:07:58,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:07:58,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:07:58,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:07:58,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:07:58" (1/1) ... [2020-12-02 16:07:58,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2101c920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:58, skipping insertion in model container [2020-12-02 16:07:58,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:07:58" (1/1) ... [2020-12-02 16:07:58,594 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:07:58,629 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:07:58,913 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_0970b.c[4118,4131] [2020-12-02 16:07:58,917 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:07:58,941 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:07:59,065 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_0970b.c[4118,4131] [2020-12-02 16:07:59,066 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:07:59,109 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:07:59,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59 WrapperNode [2020-12-02 16:07:59,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:07:59,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:07:59,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:07:59,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:07:59,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:07:59,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:07:59,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:07:59,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:07:59,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... [2020-12-02 16:07:59,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:07:59,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:07:59,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:07:59,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:07:59,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:07:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 16:07:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 16:07:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:07:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 16:07:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 16:07:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:07:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:07:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 16:07:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 16:07:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 16:07:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:08:29,836 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:08:29,839 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-12-02 16:08:29,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:08:29 BoogieIcfgContainer [2020-12-02 16:08:29,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:08:29,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:08:29,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:08:29,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:08:29,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:07:58" (1/3) ... [2020-12-02 16:08:29,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8b5d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:08:29, skipping insertion in model container [2020-12-02 16:08:29,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:07:59" (2/3) ... [2020-12-02 16:08:29,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8b5d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:08:29, skipping insertion in model container [2020-12-02 16:08:29,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:08:29" (3/3) ... [2020-12-02 16:08:29,861 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b.c [2020-12-02 16:08:29,878 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:08:29,884 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:08:29,898 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:08:29,935 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:08:29,935 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:08:29,935 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:08:29,935 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:08:29,936 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:08:29,936 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:08:29,936 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:08:29,936 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:08:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-12-02 16:08:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 16:08:29,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:08:29,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:08:29,955 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:08:29,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:08:29,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2020-12-02 16:08:29,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:08:29,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077938723] [2020-12-02 16:08:29,980 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 16:08:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:08:31,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 16:08:31,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:08:31,151 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 16:08:31,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:08:31,162 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 16:08:31,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077938723] [2020-12-02 16:08:31,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:08:31,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 16:08:31,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104040075] [2020-12-02 16:08:31,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:08:31,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:08:31,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:08:31,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:08:31,189 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-12-02 16:08:31,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:08:31,219 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2020-12-02 16:08:31,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:08:31,220 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 16:08:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:08:31,232 INFO L225 Difference]: With dead ends: 86 [2020-12-02 16:08:31,233 INFO L226 Difference]: Without dead ends: 41 [2020-12-02 16:08:31,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:08:31,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-02 16:08:31,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-02 16:08:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-02 16:08:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2020-12-02 16:08:31,272 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2020-12-02 16:08:31,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:08:31,272 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2020-12-02 16:08:31,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:08:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2020-12-02 16:08:31,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 16:08:31,273 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:08:31,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:08:31,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 16:08:31,482 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:08:31,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:08:31,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2020-12-02 16:08:31,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:08:31,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307557843] [2020-12-02 16:08:31,486 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 16:08:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:08:32,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 16:08:32,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:08:33,780 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 16:08:39,423 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 16:08:39,463 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 16:08:39,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:08:41,285 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 16:08:41,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307557843] [2020-12-02 16:08:41,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:08:41,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 16:08:41,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942927203] [2020-12-02 16:08:41,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 16:08:41,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:08:41,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 16:08:41,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=27, Unknown=2, NotChecked=0, Total=42 [2020-12-02 16:08:41,291 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 7 states. [2020-12-02 16:08:47,530 WARN L197 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-02 16:08:56,678 WARN L197 SmtUtils]: Spent 7.03 s on a formula simplification that was a NOOP. DAG size: 43 [2020-12-02 16:08:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:08:59,977 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2020-12-02 16:09:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 16:09:00,059 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2020-12-02 16:09:00,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:09:00,060 INFO L225 Difference]: With dead ends: 46 [2020-12-02 16:09:00,067 INFO L226 Difference]: Without dead ends: 12 [2020-12-02 16:09:00,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=26, Invalid=44, Unknown=2, NotChecked=0, Total=72 [2020-12-02 16:09:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-02 16:09:00,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-02 16:09:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-02 16:09:00,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-02 16:09:00,079 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-12-02 16:09:00,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:09:00,080 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-02 16:09:00,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 16:09:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-02 16:09:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 16:09:00,082 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:09:00,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:09:00,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 16:09:00,303 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:09:00,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:09:00,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2020-12-02 16:09:00,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:09:00,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540566433] [2020-12-02 16:09:00,306 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 16:09:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:09:01,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-02 16:09:01,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:09:02,340 WARN L197 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 16:09:07,618 WARN L197 SmtUtils]: Spent 4.23 s on a formula simplification that was a NOOP. DAG size: 51 [2020-12-02 16:09:09,752 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet124_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32)) (~zero~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_log10f_~x (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet124_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet124_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet124_8|))) (.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet123_8|))) (.cse6 (fp ((_ extract 31 31) ~zero~0) ((_ extract 30 23) ~zero~0) ((_ extract 22 0) ~zero~0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|))) (.cse5 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~x))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet122_8|)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) .cse2) (= .cse1 (_ +zero 8 24)) (= .cse3 (_ +zero 11 53)) (= (fp.neg .cse4) .cse0) (= (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_log10f_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_log10f_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_log10f_#res|)) (fp.div roundNearestTiesToEven .cse5 .cse6)) (= .cse6 ((_ to_fp 8 24) roundNearestTiesToEven .cse3)) (= .cse5 (fp.sub roundNearestTiesToEven .cse2 .cse2)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse4)))) is different from false [2020-12-02 16:09:09,811 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:09:09,818 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-02 16:09:11,861 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 16:09:11,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:09:17,457 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_log10f_#res_10| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#res_10|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|)))) (or (not (= .cse0 (fp.div c_~CRM .cse1 (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0))))) (not (fp.eq .cse0 .cse0)) (not (= (let ((.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))) (fp.sub c_~CRM .cse2 .cse2)) .cse1))))) is different from true [2020-12-02 16:09:17,958 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 16:09:17,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540566433] [2020-12-02 16:09:17,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:09:17,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 16:09:17,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949124417] [2020-12-02 16:09:17,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 16:09:17,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:09:17,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 16:09:17,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=56, Unknown=2, NotChecked=30, Total=110 [2020-12-02 16:09:17,962 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 11 states. [2020-12-02 16:09:21,731 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start___ieee754_log10f_#res_10| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#res_10|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|)))) (or (not (= .cse0 (fp.div c_~CRM .cse1 (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0))))) (not (fp.eq .cse0 .cse0)) (not (= (let ((.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))) (fp.sub c_~CRM .cse2 .cse2)) .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet124_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse5 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet123_8|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet124_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet124_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet124_8|)))) (and (= .cse3 (_ +zero 8 24)) (= ((_ to_fp 8 24) c_~CRM 1.0) .cse4) (= (fp.neg .cse4) .cse5) (= (fp.div c_~CRM .cse5 .cse3) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6| (_ BitVec 64))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|)))) (and (= .cse6 (_ +zero 11 53)) (= (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0)) ((_ to_fp 8 24) c_~CRM .cse6)))))) is different from false [2020-12-02 16:09:23,790 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start___ieee754_log10f_#res_10| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#res_10|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#res_10|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|)))) (or (not (= .cse0 (fp.div c_~CRM .cse1 (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0))))) (not (fp.eq .cse0 .cse0)) (not (= (let ((.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))) (fp.sub c_~CRM .cse2 .cse2)) .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet124_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet122_8|))) (.cse5 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet123_8|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet124_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet124_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet124_8|)))) (and (= .cse3 (_ +zero 8 24)) (= ((_ to_fp 8 24) c_~CRM 1.0) .cse4) (= (fp.neg .cse4) .cse5) (= (fp.div c_~CRM .cse5 .cse3) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_log10f_~x)))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6| (_ BitVec 64))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|)))) (and (= .cse6 (_ +zero 11 53)) (= (fp ((_ extract 31 31) c_~zero~0) ((_ extract 30 23) c_~zero~0) ((_ extract 22 0) c_~zero~0)) ((_ to_fp 8 24) c_~CRM .cse6)))))) is different from true [2020-12-02 16:09:25,862 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet124_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet122_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet123_8| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6| (_ BitVec 32)) (~zero~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_log10f_~x (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet124_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet124_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet124_8|))) (.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet123_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet123_8|))) (.cse6 (fp ((_ extract 31 31) ~zero~0) ((_ extract 30 23) ~zero~0) ((_ extract 22 0) ~zero~0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet102_6|))) (.cse5 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_log10f_#t~nondet107_6|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~x))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet122_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet122_8|)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) .cse2) (= .cse1 (_ +zero 8 24)) (= .cse3 (_ +zero 11 53)) (= (fp.neg .cse4) .cse0) (= (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_log10f_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_log10f_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_log10f_#res|)) (fp.div roundNearestTiesToEven .cse5 .cse6)) (= .cse6 ((_ to_fp 8 24) roundNearestTiesToEven .cse3)) (= .cse5 (fp.sub roundNearestTiesToEven .cse2 .cse2)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse4)))) (not (let ((.cse7 (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_log10f_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_log10f_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_log10f_#res|)))) (fp.eq .cse7 .cse7)))) is different from false [2020-12-02 16:09:26,224 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-02 16:09:26,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:09:26,226 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-02 16:09:26,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 16:09:26,226 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2020-12-02 16:09:26,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:09:26,226 INFO L225 Difference]: With dead ends: 12 [2020-12-02 16:09:26,226 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 16:09:26,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 24.0s TimeCoverageRelationStatistics Valid=32, Invalid=69, Unknown=5, NotChecked=76, Total=182 [2020-12-02 16:09:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 16:09:26,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 16:09:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 16:09:26,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 16:09:26,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-02 16:09:26,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:09:26,228 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 16:09:26,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 16:09:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 16:09:26,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 16:09:26,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 16:09:26,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 16:09:28,659 WARN L197 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 63 DAG size of output: 7 [2020-12-02 16:09:38,844 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 16:09:38,846 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:131) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:53) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter(HoareAnnotationComposer.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.(HoareAnnotationComposer.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeCFGHoareAnnotation(BasicCegarLoop.java:1052) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 36 more [2020-12-02 16:09:38,855 INFO L168 Benchmark]: Toolchain (without parser) took 100283.94 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 31.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:38,856 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 52.4 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:09:38,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.54 ms. Allocated memory is still 52.4 MB. Free memory was 28.5 MB in the beginning and 25.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:38,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.74 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 24.9 MB in the beginning and 48.5 MB in the end (delta: -23.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:38,859 INFO L168 Benchmark]: Boogie Preprocessor took 70.24 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 45.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:38,860 INFO L168 Benchmark]: RCFGBuilder took 30557.17 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 32.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:38,861 INFO L168 Benchmark]: TraceAbstraction took 69006.98 ms. Allocated memory is still 67.1 MB. Free memory was 32.2 MB in the beginning and 31.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:38,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 52.4 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 539.54 ms. Allocated memory is still 52.4 MB. Free memory was 28.5 MB in the beginning and 25.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.74 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 24.9 MB in the beginning and 48.5 MB in the end (delta: -23.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.24 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 45.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 30557.17 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 32.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 69006.98 ms. Allocated memory is still 67.1 MB. Free memory was 32.2 MB in the beginning and 31.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.8 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...