./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/knuth.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench/knuth.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08f39468d7757b1a22fdbf1465bbd41291a8868febbded34fd41fea8ffa53398 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:07,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:07,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:24:07,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:07,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:07,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:07,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:07,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:07,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:07,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:07,449 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:07,450 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:07,450 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:07,451 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:24:07,451 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:07,452 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:07,453 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:24:07,453 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:24:07,454 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:07,454 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:24:07,455 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:24:07,456 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:24:07,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:07,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:07,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:24:07,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:24:07,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:24:07,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:07,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:07,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:07,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:07,461 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:24:07,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:24:07,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:24:07,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:07,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:07,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:07,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:07,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:07,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:07,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:07,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:07,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:07,464 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:24:07,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:24:07,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:07,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:07,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:07,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:07,466 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f39468d7757b1a22fdbf1465bbd41291a8868febbded34fd41fea8ffa53398 [2023-11-23 21:24:07,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:07,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:07,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:07,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:07,786 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:07,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/nla-digbench/knuth.i [2023-11-23 21:24:10,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:11,096 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:11,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/sv-benchmarks/c/nla-digbench/knuth.i [2023-11-23 21:24:11,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/data/f8345a8f0/420a396818f147dca1c6d6029aa7d4e2/FLAG623ee22ac [2023-11-23 21:24:11,123 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/data/f8345a8f0/420a396818f147dca1c6d6029aa7d4e2 [2023-11-23 21:24:11,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:11,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:11,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:11,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:11,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:11,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:11" (1/1) ... [2023-11-23 21:24:11,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3fc437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:11, skipping insertion in model container [2023-11-23 21:24:11,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:11" (1/1) ... [2023-11-23 21:24:11,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:11,360 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:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-23 21:24:11,365 INFO L158 Benchmark]: Toolchain (without parser) took 231.52ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 137.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:24:11,366 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:11,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.86ms. Allocated memory is still 192.9MB. Free memory was 145.5MB in the beginning and 137.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:24:11,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.86ms. Allocated memory is still 192.9MB. Free memory was 145.5MB in the beginning and 137.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench/knuth.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08f39468d7757b1a22fdbf1465bbd41291a8868febbded34fd41fea8ffa53398 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:13,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:13,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-23 21:24:13,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:13,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:13,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:13,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:13,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:13,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:13,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:13,904 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:13,904 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:13,905 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:13,907 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:13,907 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:13,907 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:13,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:13,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:13,910 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:24:13,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:24:13,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:13,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:13,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:13,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:13,913 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:24:13,913 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:24:13,914 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:24:13,914 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:24:13,917 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:24:13,917 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:24:13,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:13,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:13,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:13,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:24:13,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:13,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:13,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:13,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:13,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:13,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:13,923 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:24:13,923 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:13,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:13,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:13,924 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:13,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:13,925 INFO L153 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f39468d7757b1a22fdbf1465bbd41291a8868febbded34fd41fea8ffa53398 [2023-11-23 21:24:14,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:14,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:14,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:14,384 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:14,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:14,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/nla-digbench/knuth.i [2023-11-23 21:24:17,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:17,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:17,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/sv-benchmarks/c/nla-digbench/knuth.i [2023-11-23 21:24:17,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/data/16d5b883f/fd4b4801f4b14b1eb8806b982e4588d8/FLAG98f24626d [2023-11-23 21:24:17,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/data/16d5b883f/fd4b4801f4b14b1eb8806b982e4588d8 [2023-11-23 21:24:17,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:17,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:17,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:17,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:17,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:17,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:17" (1/1) ... [2023-11-23 21:24:17,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2959d492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:17, skipping insertion in model container [2023-11-23 21:24:17,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:17" (1/1) ... [2023-11-23 21:24:17,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:18,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:18,123 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:18,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:18,174 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:18,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18 WrapperNode [2023-11-23 21:24:18,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:18,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:18,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:18,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:18,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,232 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-11-23 21:24:18,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:18,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:18,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:18,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:18,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:18,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:18,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:18,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:18,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (1/1) ... [2023-11-23 21:24:18,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:18,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:18,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:18,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:24:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:24:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:24:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:24:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:24:18,449 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:18,452 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:21,365 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:21,400 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:21,403 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:21,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:21 BoogieIcfgContainer [2023-11-23 21:24:21,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:21,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:21,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:21,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:21,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:17" (1/3) ... [2023-11-23 21:24:21,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a360c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:21, skipping insertion in model container [2023-11-23 21:24:21,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:18" (2/3) ... [2023-11-23 21:24:21,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a360c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:21, skipping insertion in model container [2023-11-23 21:24:21,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:21" (3/3) ... [2023-11-23 21:24:21,415 INFO L112 eAbstractionObserver]: Analyzing ICFG knuth.i [2023-11-23 21:24:21,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:21,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 21:24:21,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a360c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:24:21, skipping insertion in model container [2023-11-23 21:24:21,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:24:21,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:24:21,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:24:21,435 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:24:21,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:21" (3/3) ... [2023-11-23 21:24:21,437 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:24:21,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 21:24:21,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:24:21,445 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-23 21:24:21,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 21:24:21,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 21:24:21,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:24:21,447 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:24:21,551 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:24:21,552 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:24:21,552 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:24:21,554 INFO L158 Benchmark]: Toolchain (without parser) took 3724.21ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 44.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-23 21:24:21,554 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 149.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:24:21,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.90ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 47.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:24:21,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.11ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:24:21,556 INFO L158 Benchmark]: Boogie Preprocessor took 34.32ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 43.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:24:21,556 INFO L158 Benchmark]: RCFGBuilder took 3135.60ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 52.2MB in the end (delta: -8.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-23 21:24:21,556 INFO L158 Benchmark]: TraceAbstraction took 26.55ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 49.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:24:21,557 INFO L158 Benchmark]: Witness Printer took 117.79ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 44.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:24:21,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 149.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.90ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 47.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.11ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.32ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 43.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3135.60ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 52.2MB in the end (delta: -8.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 26.55ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 49.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 117.79ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 44.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-23 21:24:21,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0796fe60-e933-4e0c-a700-f1f80948cd50/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE