./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_knuth.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_knuth.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f966bbb701fa0020ebf49f98d5faa7f02bbc3a28868891c6c7ff0a45fb5b1ff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:32,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:32,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:28:32,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:28:32,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:28:32,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:32,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:32,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:32,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:32,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:32,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:32,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:32,236 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:32,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:28:32,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:32,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:32,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:32,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:32,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:32,245 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:28:32,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:32,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:32,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:32,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:32,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:32,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:32,248 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:32,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:32,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:32,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:32,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:32,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:32,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:28:32,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:28:32,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:32,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f966bbb701fa0020ebf49f98d5faa7f02bbc3a28868891c6c7ff0a45fb5b1ff [2023-11-23 20:28:32,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:32,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:32,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:32,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:32,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:32,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_knuth.i [2023-11-23 20:28:35,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:36,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:36,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/sv-benchmarks/c/recursified_nla-digbench/recursified_knuth.i [2023-11-23 20:28:36,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/data/ad972a0ec/a75c7ccc489241cab4a4f49fc5c64708/FLAG1214dfb1a [2023-11-23 20:28:36,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/data/ad972a0ec/a75c7ccc489241cab4a4f49fc5c64708 [2023-11-23 20:28:36,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:36,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:36,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:36,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:36,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:36,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:36" (1/1) ... [2023-11-23 20:28:36,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1b3971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:36, skipping insertion in model container [2023-11-23 20:28:36,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:36" (1/1) ... [2023-11-23 20:28:36,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:36,390 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 20:28:36,395 INFO L158 Benchmark]: Toolchain (without parser) took 278.17ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 114.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:28:36,396 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:28:36,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.73ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 114.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:28:36,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.73ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 114.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_knuth.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f966bbb701fa0020ebf49f98d5faa7f02bbc3a28868891c6c7ff0a45fb5b1ff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:38,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:39,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:28:39,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:39,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:39,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:39,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:39,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:39,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:39,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:39,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:39,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:39,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:39,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:39,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:39,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:39,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:28:39,105 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:28:39,106 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:28:39,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:28:39,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:39,107 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:39,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:39,108 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:39,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:39,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:39,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:39,110 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:28:39,110 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:28:39,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:39,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:39,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:39,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:39,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:39,113 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:28:39,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:28:39,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:39,114 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:28:39,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:28:39,114 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_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f966bbb701fa0020ebf49f98d5faa7f02bbc3a28868891c6c7ff0a45fb5b1ff [2023-11-23 20:28:39,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:39,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:39,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:39,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:39,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:39,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_knuth.i [2023-11-23 20:28:42,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:42,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:42,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/sv-benchmarks/c/recursified_nla-digbench/recursified_knuth.i [2023-11-23 20:28:42,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/data/c612258bc/c372a7cc504141cfaef6e2eef1a9c5d6/FLAG8743e240a [2023-11-23 20:28:42,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/data/c612258bc/c372a7cc504141cfaef6e2eef1a9c5d6 [2023-11-23 20:28:42,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:42,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:42,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:42,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:42,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:42,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:42" (1/1) ... [2023-11-23 20:28:42,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3f43ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:42, skipping insertion in model container [2023-11-23 20:28:42,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:42" (1/1) ... [2023-11-23 20:28:43,025 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:43,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:43,257 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:43,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:43,320 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:43,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43 WrapperNode [2023-11-23 20:28:43,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:43,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:43,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:43,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:43,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,381 INFO L138 Inliner]: procedures = 22, calls = 178, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2023-11-23 20:28:43,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:43,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:43,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:43,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:43,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:43,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:43,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:43,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:43,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:43" (1/1) ... [2023-11-23 20:28:43,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:43,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:43,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:43,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:28:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:28:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:28:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:28:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_67_0 [2023-11-23 20:28:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_67_0 [2023-11-23 20:28:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:28:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:28:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:28:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:28:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:28:43,717 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:43,719 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:55,110 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:55,396 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:55,396 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:28:55,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:55 BoogieIcfgContainer [2023-11-23 20:28:55,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:55,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:55,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:55,409 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:55,410 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:55" (1/1) ... [2023-11-23 20:28:55,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-23 20:28:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-23 20:28:55,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:28:55,485 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2023-11-23 20:28:55,492 INFO L751 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2023-11-23 20:28:55,521 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:28:55,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:28:55 ImpRootNode [2023-11-23 20:28:55,525 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:28:55,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:28:55,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:28:55,526 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:28:55,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:55" (3/4) ... [2023-11-23 20:28:55,529 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:28:55,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_39_to_67_0 [2023-11-23 20:28:55,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 20:28:55,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:28:55,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2023-11-23 20:28:55,577 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-23 20:28:55,578 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:28:55,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:28:55,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:28:55,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:28:55,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:28:55,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:28:55,791 INFO L158 Benchmark]: Toolchain (without parser) took 12801.67ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 55.6MB in the beginning and 80.4MB in the end (delta: -24.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-11-23 20:28:55,791 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:28:55,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.26ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 41.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:28:55,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.19ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:28:55,793 INFO L158 Benchmark]: Boogie Preprocessor took 124.36ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 39.2MB in the beginning and 91.9MB in the end (delta: -52.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:28:55,793 INFO L158 Benchmark]: RCFGBuilder took 11890.79ms. Allocated memory is still 113.2MB. Free memory was 91.9MB in the beginning and 59.3MB in the end (delta: 32.6MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-23 20:28:55,794 INFO L158 Benchmark]: CodeCheck took 125.83ms. Allocated memory is still 113.2MB. Free memory was 59.3MB in the beginning and 53.3MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:28:55,794 INFO L158 Benchmark]: Witness Printer took 264.25ms. Allocated memory is still 113.2MB. Free memory was 53.3MB in the beginning and 80.4MB in the end (delta: -27.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-11-23 20:28:55,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 26 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.26ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 41.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.19ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.36ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 39.2MB in the beginning and 91.9MB in the end (delta: -52.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11890.79ms. Allocated memory is still 113.2MB. Free memory was 91.9MB in the beginning and 59.3MB in the end (delta: 32.6MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * CodeCheck took 125.83ms. Allocated memory is still 113.2MB. Free memory was 59.3MB in the beginning and 53.3MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 264.25ms. Allocated memory is still 113.2MB. Free memory was 53.3MB in the beginning and 80.4MB in the end (delta: -27.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:28:55,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c32ca-ff3a-41fe-a851-020b42c25b5d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE