/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/knuth_unwindbound100.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-19 00:36:07,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-19 00:36:07,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-19 00:36:07,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-19 00:36:07,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-19 00:36:07,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-19 00:36:07,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-19 00:36:07,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-19 00:36:07,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-19 00:36:07,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-19 00:36:07,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-19 00:36:07,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-19 00:36:07,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-19 00:36:07,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-19 00:36:07,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-19 00:36:07,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-19 00:36:07,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-19 00:36:07,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-19 00:36:07,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-19 00:36:07,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-19 00:36:07,474 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-19 00:36:07,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-19 00:36:07,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-19 00:36:07,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-19 00:36:07,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-19 00:36:07,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-19 00:36:07,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-19 00:36:07,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-19 00:36:07,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-19 00:36:07,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-19 00:36:07,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-19 00:36:07,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-19 00:36:07,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-19 00:36:07,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-19 00:36:07,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-19 00:36:07,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-19 00:36:07,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-19 00:36:07,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-19 00:36:07,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-19 00:36:07,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-19 00:36:07,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-19 00:36:07,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-19 00:36:07,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-19 00:36:07,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-19 00:36:07,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-19 00:36:07,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-19 00:36:07,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-19 00:36:07,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-19 00:36:07,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-19 00:36:07,501 INFO L138 SettingsManager]: * Use SBE=true [2022-03-19 00:36:07,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-19 00:36:07,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-19 00:36:07,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-19 00:36:07,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-19 00:36:07,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-19 00:36:07,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-19 00:36:07,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-19 00:36:07,502 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-19 00:36:07,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-19 00:36:07,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-19 00:36:07,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-19 00:36:07,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-19 00:36:07,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 00:36:07,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-19 00:36:07,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-19 00:36:07,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-19 00:36:07,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-19 00:36:07,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-19 00:36:07,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-19 00:36:07,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-19 00:36:07,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-19 00:36:07,504 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-19 00:36:07,504 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-19 00:36:07,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-19 00:36:07,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-19 00:36:07,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-19 00:36:07,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-19 00:36:07,696 INFO L275 PluginConnector]: CDTParser initialized [2022-03-19 00:36:07,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/knuth_unwindbound100.i [2022-03-19 00:36:07,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e56bf592/712e7268c42641e1a8ca510c74ba9a9e/FLAGed7d2bce6 [2022-03-19 00:36:08,111 INFO L306 CDTParser]: Found 1 translation units. [2022-03-19 00:36:08,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/knuth_unwindbound100.i [2022-03-19 00:36:08,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e56bf592/712e7268c42641e1a8ca510c74ba9a9e/FLAGed7d2bce6 [2022-03-19 00:36:08,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e56bf592/712e7268c42641e1a8ca510c74ba9a9e [2022-03-19 00:36:08,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-19 00:36:08,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-19 00:36:08,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-19 00:36:08,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-19 00:36:08,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-19 00:36:08,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 12:36:08" (1/1) ... [2022-03-19 00:36:08,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12fbffba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 12:36:08, skipping insertion in model container [2022-03-19 00:36:08,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 12:36:08" (1/1) ... [2022-03-19 00:36:08,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-19 00:36:08,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-19 00:36:08,301 WARN L230 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[948,961] [2022-03-19 00:36:08,319 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:848) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447) 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:729) 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:1397) 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-19 00:36:08,322 INFO L158 Benchmark]: Toolchain (without parser) took 189.46ms. Allocated memory is still 183.5MB. Free memory was 133.3MB in the beginning and 162.0MB in the end (delta: -28.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2022-03-19 00:36:08,323 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-19 00:36:08,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.29ms. Allocated memory is still 183.5MB. Free memory was 133.1MB in the beginning and 162.0MB in the end (delta: -28.9MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-03-19 00:36:08,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 181.29ms. Allocated memory is still 183.5MB. Free memory was 133.1MB in the beginning and 162.0MB in the end (delta: -28.9MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * 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:848) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...