/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/knuth_unwindbound100.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 03:41:32,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 03:41:32,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 03:41:32,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-06 03:41:32,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-06 03:41:32,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-06 03:41:32,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-06 03:41:32,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-06 03:41:32,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-06 03:41:32,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-06 03:41:32,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-06 03:41:32,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-06 03:41:32,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 03:41:32,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 03:41:32,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 03:41:32,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 03:41:32,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 03:41:32,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 03:41:32,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 03:41:32,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 03:41:32,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 03:41:32,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 03:41:32,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 03:41:32,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 03:41:32,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-06 03:41:32,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-06 03:41:32,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-06 03:41:32,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-06 03:41:32,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-06 03:41:32,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-06 03:41:32,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-06 03:41:32,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-06 03:41:32,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-06 03:41:32,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-06 03:41:32,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-06 03:41:32,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-06 03:41:32,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-06 03:41:32,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-06 03:41:32,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 03:41:32,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 03:41:32,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 03:41:32,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-05-06 03:41:32,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 03:41:32,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 03:41:32,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-06 03:41:32,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-06 03:41:32,191 INFO L138 SettingsManager]: * Use SBE=true [2021-05-06 03:41:32,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 03:41:32,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 03:41:32,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 03:41:32,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 03:41:32,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 03:41:32,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 03:41:32,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 03:41:32,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 03:41:32,193 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 03:41:32,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 03:41:32,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 03:41:32,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 03:41:32,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 03:41:32,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 03:41:32,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 03:41:32,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 03:41:32,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 03:41:32,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-06 03:41:32,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-06 03:41:32,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-06 03:41:32,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-06 03:41:32,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-06 03:41:32,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-05-06 03:41:32,195 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 03:41:32,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 03:41:32,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 03:41:32,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 03:41:32,530 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 03:41:32,531 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 03:41:32,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/knuth_unwindbound100.i [2021-05-06 03:41:32,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d16fc6a8a/bd5851a092af4c0ea83dae36fc7b04db/FLAG2adaedb8e [2021-05-06 03:41:33,097 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 03:41:33,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/knuth_unwindbound100.i [2021-05-06 03:41:33,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d16fc6a8a/bd5851a092af4c0ea83dae36fc7b04db/FLAG2adaedb8e [2021-05-06 03:41:33,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d16fc6a8a/bd5851a092af4c0ea83dae36fc7b04db [2021-05-06 03:41:33,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 03:41:33,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-06 03:41:33,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 03:41:33,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 03:41:33,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 03:41:33,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 03:41:33" (1/1) ... [2021-05-06 03:41:33,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ddd4c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 03:41:33, skipping insertion in model container [2021-05-06 03:41:33,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 03:41:33" (1/1) ... [2021-05-06 03:41:33,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 03:41:33,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 03:41:33,754 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/knuth_unwindbound100.i[956,969] [2021-05-06 03:41:33,766 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:713) 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:1359) 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:1052) 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:1430) 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:3219) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-05-06 03:41:33,770 INFO L168 Benchmark]: Toolchain (without parser) took 164.29 ms. Allocated memory is still 220.2 MB. Free memory was 183.8 MB in the beginning and 175.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-05-06 03:41:33,771 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 220.2 MB. Free memory is still 201.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 03:41:33,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.50 ms. Allocated memory is still 220.2 MB. Free memory was 183.6 MB in the beginning and 175.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-05-06 03:41:33,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 220.2 MB. Free memory is still 201.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 159.50 ms. Allocated memory is still 220.2 MB. Free memory was 183.6 MB in the beginning and 175.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...