./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91 --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 d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:51:05,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:51:05,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:51:05,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:51:05,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:51:05,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:51:05,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:51:05,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:51:05,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:51:05,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:51:05,240 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:51:05,240 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:51:05,241 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:51:05,242 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:51:05,243 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:51:05,243 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:51:05,244 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:51:05,244 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:51:05,244 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:51:05,245 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:51:05,245 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:51:05,246 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:51:05,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:51:05,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:51:05,248 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:51:05,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:51:05,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:51:05,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:51:05,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:51:05,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:51:05,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:51:05,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:51:05,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:51:05,253 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:51:05,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:51:05,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:51:05,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:51:05,254 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:51:05,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:51:05,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:05,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:51:05,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:51:05,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:51:05,256 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:51:05,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:51:05,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:51:05,257 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:51:05,257 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:51:05,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:51:05,257 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_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 [2023-11-24 23:51:05,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:51:05,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:51:05,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:51:05,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:51:05,579 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:51:05,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2023-11-24 23:51:08,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:51:08,851 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:51:08,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2023-11-24 23:51:08,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/data/cec3837f7/a0adef7185fc4f5e9e2fad858bb27a02/FLAGe263e8edc [2023-11-24 23:51:08,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/data/cec3837f7/a0adef7185fc4f5e9e2fad858bb27a02 [2023-11-24 23:51:08,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:51:08,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:51:08,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:51:08,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:51:08,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:51:08,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:08" (1/1) ... [2023-11-24 23:51:08,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdffc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:08, skipping insertion in model container [2023-11-24 23:51:08,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:08" (1/1) ... [2023-11-24 23:51:08,923 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:51:09,078 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:2220) 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:386) 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:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) 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) [2023-11-24 23:51:09,082 INFO L158 Benchmark]: Toolchain (without parser) took 202.41ms. Allocated memory is still 201.3MB. Free memory was 151.6MB in the beginning and 142.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:51:09,083 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:51:09,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.02ms. Allocated memory is still 201.3MB. Free memory was 151.6MB in the beginning and 142.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:51:09,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.02ms. Allocated memory is still 201.3MB. Free memory was 151.6MB in the beginning and 142.5MB in the end (delta: 9.1MB). 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_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91 --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 d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:51:11,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:51:11,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-24 23:51:11,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:51:11,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:51:11,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:51:11,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:51:11,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:51:11,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:51:11,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:51:11,830 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:51:11,831 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:51:11,831 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:51:11,833 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:51:11,833 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:51:11,834 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:51:11,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:51:11,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:51:11,836 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:51:11,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:51:11,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:51:11,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:51:11,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:51:11,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:51:11,839 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:51:11,840 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:51:11,840 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:51:11,840 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:51:11,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:51:11,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:51:11,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:51:11,843 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:51:11,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:51:11,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:51:11,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:51:11,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:51:11,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:11,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:51:11,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:51:11,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:51:11,847 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:51:11,847 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:51:11,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:51:11,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:51:11,849 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:51:11,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:51:11,849 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_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 [2023-11-24 23:51:12,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:51:12,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:51:12,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:51:12,272 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:51:12,273 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:51:12,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2023-11-24 23:51:15,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:51:15,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:51:15,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2023-11-24 23:51:15,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/data/42263e83f/33c6990ec3a34743a69b43df2ecbcbcf/FLAG810bb396d [2023-11-24 23:51:15,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/data/42263e83f/33c6990ec3a34743a69b43df2ecbcbcf [2023-11-24 23:51:15,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:51:15,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:51:15,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:51:15,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:51:15,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:51:15,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:15" (1/1) ... [2023-11-24 23:51:15,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574daabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:15, skipping insertion in model container [2023-11-24 23:51:15,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:51:15" (1/1) ... [2023-11-24 23:51:15,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:51:16,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:51:16,138 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:51:16,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:51:16,216 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:51:16,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16 WrapperNode [2023-11-24 23:51:16,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:51:16,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:51:16,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:51:16,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:51:16,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,305 INFO L138 Inliner]: procedures = 18, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-24 23:51:16,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:51:16,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:51:16,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:51:16,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:51:16,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:51:16,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:51:16,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:51:16,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:51:16,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (1/1) ... [2023-11-24 23:51:16,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:51:16,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:51:16,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:51:16,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:51:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:51:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:51:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:51:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:51:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:51:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:51:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:51:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:51:16,567 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:51:16,570 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:51:19,755 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:51:19,791 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:51:19,792 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:51:19,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:51:19 BoogieIcfgContainer [2023-11-24 23:51:19,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:51:19,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:51:19,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:51:19,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:51:19,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:51:15" (1/3) ... [2023-11-24 23:51:19,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15572edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:51:19, skipping insertion in model container [2023-11-24 23:51:19,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:51:16" (2/3) ... [2023-11-24 23:51:19,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15572edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:51:19, skipping insertion in model container [2023-11-24 23:51:19,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:51:19" (3/3) ... [2023-11-24 23:51:19,802 INFO L112 eAbstractionObserver]: Analyzing ICFG knuth_valuebound1.i [2023-11-24 23:51:19,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:51:19,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-24 23:51:19,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15572edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:51:19, skipping insertion in model container [2023-11-24 23:51:19,825 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:51:19,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:51:19,830 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:51:19,830 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:51:19,831 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:51:19" (3/3) ... [2023-11-24 23:51:19,833 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:51:19,837 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:51:19,837 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:51:19,844 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-24 23:51:19,845 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:51:19,845 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:51:19,846 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:51:19,846 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:51:19,966 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:51:19,966 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:51:19,967 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:51:19,968 INFO L158 Benchmark]: Toolchain (without parser) took 4176.70ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 49.6MB in the end (delta: -276.1kB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-24 23:51:19,969 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:51:19,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.26ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 36.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:51:19,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.84ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 36.5MB in the beginning and 75.8MB in the end (delta: -39.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-24 23:51:19,973 INFO L158 Benchmark]: Boogie Preprocessor took 92.56ms. Allocated memory is still 96.5MB. Free memory was 75.8MB in the beginning and 74.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:51:19,973 INFO L158 Benchmark]: RCFGBuilder took 3392.07ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 57.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:51:19,974 INFO L158 Benchmark]: TraceAbstraction took 29.76ms. Allocated memory is still 96.5MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:51:19,974 INFO L158 Benchmark]: Witness Printer took 141.18ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 49.6MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:51:19,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.26ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 36.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.84ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 36.5MB in the beginning and 75.8MB in the end (delta: -39.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.56ms. Allocated memory is still 96.5MB. Free memory was 75.8MB in the beginning and 74.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3392.07ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 57.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 29.76ms. Allocated memory is still 96.5MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 141.18ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 49.6MB in the end (delta: 5.3MB). 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! [2023-11-24 23:51:20,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30be9c03-1421-49aa-89ff-3a073cc12396/bin/utaipan-verify-SwPr7d2a91/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